Your search returned 384 essays for "reactivity":
1  2  3  4  5    Next >>

Prove the Correct Order of Reactivity of Metals

- Prove the Correct Order of Reactivity of Metals Aim The aim of this experiment is to find a method of mathematically analysing the order of metal reactivity. This involved finding a safe, dependant variable which is numerically measurable. After testing all the metals and measuring such a variable, is my hope to set all of the metals into a proven, accurate order of activity. Plan Every element of the periodic table is made up of atoms. Each of the atoms consists of subatomic particles which make up a nucleus and outer orbits....   [tags: Metal Reactivity Science Experiments Essays]

Free Essays
3120 words | (8.9 pages) | Preview

Testosterone Reactivity As A Biomarker Of Dominance

- Testosterone has been conceptualized as a biomarker of dominance in the social interaction literature, based on evidence suggesting that increases in testosterone index social dominance (Carre et al., 2013; Lopez et al., 2009; Mehta and Josephs, 2006; Roney et al., 2007) and that decreases index social submission (Maner et al., 2008). Although testosterone appears to be integral to interpersonal submission, limited research has explored testosterone reactivity within established romantic relationships (Roney and Gettler, 2015; Wardecker et al., 2015)....   [tags: Emotion, Sociology, Hormone]

Better Essays
1012 words | (2.9 pages) | Preview

The Reactivity of Metals

- The Reactivity of Metals Planning: Aim: to put these 5 metals in the order of reactivity. * Iron * Copper * Magnesium * Lead * Zinc Scientific Information: A displacement reaction is where a more reactive element reacts with a compound and pushes out a less reactive element. E.g. magnesium will react with iron sulphate to push the iron out and form magnesium sulphate. I have carried out preliminary experiments and they have shown me that the reactivity of metals and elements can be deciphered from the table of elements, this will tell you how the reactive a metal or element is by simply looking what group it is in and in which period....   [tags: Papers]

Free Essays
1339 words | (3.8 pages) | Preview

Test Anxiety and Emotional Reactivity on Test Outcome

- During studying students are experiencing varieties of emotions. Test anxiety and emotional reactivity to test outcome are one of most frequent and the strongest stressors for students during their college days (Pekrun, Goetz, Titz, & Perry, 2002). Various studies have shown that test anxiety correlate negatively with cumulative grades-point average (Diener, Schwarz, & Nickerson, 2011), academic performance (& Elliot, Pekrun, & Maier, 2009) and students’ health (Conley & Lehman, 2012). Test anxiety and emotional reactivity of test outcome can be influenced by both situational and trait factors (Putwain, Woods, & Symes, 2010)....   [tags: Emotional Distress, Neuroticism]

Strong Essays
1200 words | (3.4 pages) | Preview

Relative Reactivity of Anilines

- Relative Reactivity of Anilines Abstract: Various Anilines were tested with Br2/HBr solution, the products were crystallized and melting points attained to verify relative reactivity. My assignment, 2,4-Dibromoanisol, was prepared in a yield of 52% with a melting point of 55-58 C . Reaction: Mechanism: Procedure: Anisole (0.35mL, 0.0378mol) was obtained and placed in a pre-weighed 25 mL round bottom flask, along with 2.5 mL of glacial acetic acid and a magnetic stir bar. Then the reaction apparatus was assembled, the dry tube was charged with conc....   [tags: essays research papers]

Free Essays
508 words | (1.5 pages) | Preview

How to Approach the Escalating Utilization and Commercialization of Nanoscale Materials

- The use of nanotechnology has become wide spread in the market place and, has found a place on the forefront of the technology world as the up and coming thing. Every day new technologies are being discovered, making things faster, bigger, stronger, smaller, and better. In this case, nanotechnology is making things smaller, on the molecular scale. A substance is considered a nanomaterial if it ranges between 1 to 100 nanometers. Therefore, nanotechnology is the engineering and manipulation of nanomaterial....   [tags: nanotechnology, nanomaterial, reactivity]

Strong Essays
1102 words | (3.1 pages) | Preview

Noble Gases: Properties of Each Element

- ... The word neon comes from the Greek word νέον which means new. Neon is used in glow lamps, high voltage discharge tubes, and advertising signs, a few plasma tube, and refrigerant applicants. When used in these products the neon gives off a reddish-orange glow. Neon also gives off this color when used in helium-neon lasers. Other than that neon is not used except for a few commercial uses, one of those being fractional distillation of liquid air. Neon is created in the fusion of helium, oxygen in the alpha process....   [tags: chemical, reactivity, symbol, atomic]

Powerful Essays
1581 words | (4.5 pages) | Preview

Hydrogen, Sodium, And Potassium

- 1. Identity the liquid in which lithium, sodium and potassium are stored. Why is it necessary to store these elements in this liquid. Alkali metals need to be stored under mineral oil in order to prevent them from reacting with the oxygen and water in the air. When I reacted alkali metals with water and perform the splint test in experiment #1, they all displayed vigorous reactions, heat being produced, flames coming out, and hydrogen gas being produced. Therefore, alkaline metals must be stored under mineral oil to prevent reaction with the air and moisture in the air....   [tags: Periodic table, Metal, Alkaline earth metal]

Better Essays
1794 words | (5.1 pages) | Preview

What An Element 's Chemical Properties From Their Ionisation Energies?

- Can you predict an element’s chemical properties from their ionisation energies. An element’s chemical properties can be predicted by looking at different ionisation energies and comparing them. Ionisation energy (IE) is the energy required to remove valence electrons of an atom. The IE differs depending on the group and period the element is found in, it also increases each time an electron is removed for an atom for it creates a cation which makes electrons harder to remove (Jim Clark, 2012). The IE equation for sodium can be recognised as Na --> Na+ + e- for the first IE, then Na+ --> Na2+ + e- for the IE energy and so on (Ausetute, nd)....   [tags: Periodic table, Atom, Chemical element]

Better Essays
1278 words | (3.7 pages) | Preview

Investigating the Thermal Decomposition Of Metal Carbonates

- Investigating the Thermal Decomposition Of Metal Carbonates Aim: To investigate a range of metal carbonates and see if they thermally decompose. Thermal Decomposition INVESTIGATION [IMAGE] ------- Written By Tauqir Sharif ------------------------ Research: When a metal is thermally decomposed the bond between the metal and its carbonate (carbon and oxygen) is removed and the carbonate is released as carbon dioxide. Metal Carbonate = Metal Oxide + Carbon Dioxide Malachite is an ore of copper....   [tags: Papers]

Free Essays
2469 words | (7.1 pages) | Preview

Relationship Violence Among Veterans

- The problem of relationship violence among veterans (who fought in war) suffering from PTSD is a growing problem that is not given enough attention to in the therapeutic field. Couples with relationship violence present in their relationship can often go through a therapy intake without any symptoms present concerning abuse presence. Therefore, it is easy to miss vital information. When dealing with any couples who have a diagnosis of PTSD, especially veterans, it is important to examine the couples extensively....   [tags: PTSD, war, combat, soldiers]

Powerful Essays
2770 words | (7.9 pages) | Preview

The Amygdala Response to Fear

- The Journal of Cognitive Neuroscience examines an article on the amygdala response to fear faces and the way it is different between one’s own culture and other cultures. The amygdala is specialized in detecting threat and includes fearful facial expressions. The researchers of this study hypothesized that amygdala response is greater in individuals of their own culture. This study was conducted on both native Japanese participants and Caucasians in the United States. Functional brain imaging was acquired at two neuro-imaging facilities....   [tags: neuro-imaging studies, race]

Better Essays
873 words | (2.5 pages) | Preview

Waste Removal Experiment

- Introduction Millions tons of waste are discharged into tenvironment every day that most of it is dumped in landfills or discharged into rivers and seas without prior treatment. Waste has become a critical problem, especially for densely areas. The amount of waste in Banda Aceh City in 2012 amounted to 160 tons/day [1]. One of waste management can be done by burning process in incineration that produce emitted gases such as SO2, HCl, CO2 and others. Various of processes technology about removal of harmful emissions gas has been made....   [tags: Temperature, Absorption, Sorbents]

Powerful Essays
1746 words | (5 pages) | Preview

Factors That Increase Participants ' Stress Ratings

- The expected results of this study predicted that a stressful task would increase participants’ stress ratings, and this in turn would have a positive association with changes in HR, SBP, and DBP. The findings supported the hypothesis that the stress ratings of participants increased to a score over 50, and the stress task was also found to increase their SBP. These results support the proposition that the stress task had a significant effect on some cardiovascular activities. The support condition was found to have no significant attenuating effects on heart rate reactivity....   [tags: Statistical significance, Effect size]

Better Essays
705 words | (2 pages) | Preview

Which two metals combined together give the higher voltage when reacting with acid

- Which two metals combined together give the higher voltage when reacting with acid Introduction In this investigation we will find out which two metals combined together give the higher voltage when reacting with acid. The metals used will be: · Aluminium · Zinc · Iron · Tin · Lead · Nickel · Copper To make a prediction on what metals will be the ones that give the highest voltage when combined together you need to find out if the position in which the metals are at in the reactivity series would make a difference, and if it does, how....   [tags: GCSE Chemistry Coursework Investigation]

Free Essays
1196 words | (3.4 pages) | Preview

Use of Enthalpy Changes of Metal Reactions

- Use of Enthalpy Changes of Metal Reactions The problem: The problem that I will investigate is how to use enthalpy changes of metal reactions to experimentally test the reactivity series of common metals. Therefore the area that I am looking at is reactions involving metals and the heat energy that is evolved when these take place. In brief the reactivity series of metals is a list in which metals are ranked according to their reactivity, from the most reactive metals (such as Pottassium) at the top to Gold the least reactive metal at the bottom....   [tags: Papers]

Free Essays
982 words | (2.8 pages) | Preview

Chemistry Experiment on the Reaction of Different Metals When Exposed to Acid

- Before the experiment, I wrote down a prediction. My hypothesis towards the experiment was that magnesium would have a bigger reaction with the acids. The reactivity of an element depends on its ability to gain or loose electrons which are used for bonding. The more reactive an element, the more easily it will combine with others. From this information, I know that magnesium has a stronger ability to gain or loose electrons which makes the metal more reactive. I gathered together four different metals and acid compounds which all reacted with one of the elements in the past, for example, Iron Sulphate (FeSO4) contain iron....   [tags: chemistry lab]

Better Essays
856 words | (2.4 pages) | Preview

Not the Chemical Kind of Reaction

- One of many theories I have is that all of our actions in life can be boiled down to one simple choice: do we work to resolve problems, or do we react to them. People can be defined by their tendencies towards one of those choices, and the lead character in Edith Wharton’s Ethan Frome is most certainly defined by his reactivity, rather than proactivity. Rather than work to solve situations, he simply reacts to his circumstances, oftentimes not making conscious decisions. It is very difficult to find instances in the book of Ethan’s proactivity, but his rash reactions are seen in abundance....   [tags: Ethan Frome by Edith Wharton]

Better Essays
645 words | (1.8 pages) | Preview

Nuclear Energy And Nuclear Power

- Nowadays, Nuclear energy has gradually gain the favor from many people around the world. As of today, nuclear energy has supplied 12% of the world’s electricity, (R2) and in some countries, such as Japan, nuclear power plant is the major source of their electricity. The reason behind this phenomena is that nuclear power plant provides reliable and efficient amount of electricity and emits fewer greenhouse gas. (R1) However, just as every step accompanies sacrifices, the development of nuclear power plants has encountered numerous obstacles which caused consequences to human....   [tags: Chernobyl disaster, Nuclear power, RBMK]

Strong Essays
954 words | (2.7 pages) | Preview

Origin Of Therapeutic Antibody Discovery

- 1. Origins of Therapeutic Antibody Discovery The first ever use of antibodies as therapeutic agents was years before monoclonal antibodies were first described. Scientists Kitasato and Behring introduced the first antibody serum known as ‘Magic Bullet’ serum therapy against diphtheria toxin back in 1890, when high mortality rates due to diphtheria were a major issue. The discovery of the ‘magic bullet’ serum represents the first major era in the development of therapeutic antibodies(Yamada 2011b)....   [tags: Immune system, Antibody, Immunology]

Strong Essays
3337 words | (9.5 pages) | Preview

Multigenerational / Bowen Family Therapy

- Multigenerational/Bowen Family Therapy According to Monica McGoldrick, “A genogram should always be part of a more general process of joining, assessing and helping a family (McGoldrick, 1999).” Although I feel it really should depend of the presenting issues of the family, there is a great deal of merit to its use. Genograms allow for the “Tracking [of] critical events and changes on family functioning allows us to notice anniversary reactions,” or most importantly in Jared’s case “systemic connected between seeming coincidences…its resources and vulnerability to future stresses…” (McGoldrick, 1999)....   [tags: Family, Family therapy, Psychotherapy, Psychology]

Strong Essays
1445 words | (4.1 pages) | Preview

The Pathway to Psychosis

- “How all occasions do inform against me” is a line from act IIII, scene IIII of William Shakespeare’s Hamlet. This line, spoken by Hamlet, expresses his emotional state as he is currently overwhelmed by the death of his father, the king of Denmark, and the situation surrounding it. After Hamlet learns of his father’s death he finds out that his mother has married Claudius, Hamlet’s uncle. On top of all of that, Hamlet soon after discovers that Claudius murdered his father in order to become king, and he takes it upon himself to avenge his father’s death....   [tags: Psychiatry, Health]

Powerful Essays
1439 words | (4.1 pages) | Preview

Weather Causing Negative Behavior.

- The weather conditions play a major influential role in a person’s daily life. Thoughts, feelings, and behaviors have be linked with different weather conditions, depending on the person. Different moods and behaviors have been correlated with different weather conditions, further proving its psychological effect. However, these same psychological influences have been examined to be more physiologically affecting. In this paper, the role of weather conditions, (positive and negative), in relation to their influence on behavioral health will be reviewed....   [tags: psychological analysis]

Term Papers
1995 words | (5.7 pages) | Preview

Reduced Nickel Centers

- Reduced nickel centers are important in a number of interesting and useful transformations including catalytic cross coupling of alkyl electrophiles,145,146 evolution of dihydrogen by protonation of nickel hydrides,147 dioxygen activation,148 as well as imparting catalytic activity to several metalloenzymes.149 Our interest in nickel(I) centers derives from our longstanding interest in reductive dehalogenation reactions using transition metal complexes.31,70,76-79,122,150 Nickel-mediated dehalogenation has been observed with factor F430 (Figure 4.1), the nickel-containing prosthetic group associated with methyl-coenzyme M reductase in methanogenic organisms.22,49,151 This cofactor has been s...   [tags: Chemistry]

Better Essays
787 words | (2.2 pages) | Preview

The Pros and Cons of Participant Observation or Surveys as a Research Method

- Introduction In our daily activities as humans, we consciously and unconsciously observe what people do around us, how they do it, and sometimes ask why they do what they do. In so doing we gain a better understanding of their ways of life. Anthropologist and sociologist too mention but a few, professions employ the daily observations we engage in as humans in a methodology called participant observation. Dewalt and Dewalt (2002:1) define participant observation as “a method in which a researcher takes part in the daily activities, events, rituals and interactions, of a group of people as one of the means of learning the explicit and tacit aspects of their life routine and culture.” Partici...   [tags: Social Research Methods]

Term Papers
1933 words | (5.5 pages) | Preview

Sensitization to Plant Food Allergens in Patients with Asthma

- Although hypersensitivity to fruits and vegetables is assumed to play a role in the etiology of asthma and deteriorating of symptoms in some asthmatic patients, however, little is known about allergy to some fruits and vegetables in patients aforementioned. The purpose of this study was to identify probable sensitization to eggplant, Shiraz grape, melon and mango among asthma sufferers. The study included 50 patients with moderate to severe persistent asthma and 50 healthy individuals with no history of asthma and other atopic diseases....   [tags: fruits, vegetables, asthmatic patients]

Powerful Essays
1668 words | (4.8 pages) | Preview

Implementing The Treatment Plan ( 4 Cbt Techniques )

- 6. Implementing the treatment plan (4 CBT techniques) Ashley’s has a lack of control over her impulsiveness and reactiveness. These actions usually leads to her removal from class, and then leads to conflict between her and the teacher, which furthers disruption. When I would confront her about her reasoning as to why she would get kicked out of class Ashley would typically respond, “ I don’t know why I got kicked out, she always kicking me out. All the other kids be talking, I don’t know why she comes for me.” Ashley lacks insight as to how her behavior can escalate a situation, and cause disruption....   [tags: Psychology, Thought, Anger, Human behavior]

Better Essays
1980 words | (5.7 pages) | Preview

Analysis Of Ashley Davis 's ' Children '

- Ashley Davis is a 14 year-old, brown-skinned, African-American, masculine presenting female. Ashley’s mother reports that patient is defiant, especially toward her and other authority figures. Mother reports that Ashley’s behavior disrupts the family, her ability to achieve in school and has landed her in legal trouble. Mother reports that the Ashley began to exhibit sexually promiscuous behavior starting as early as 9 years old. Her reason for referral and placement on the unit was due to Ashley’s mother, finding her and her twin brother naked together in a sexualized position, all while trying to record this interaction....   [tags: Attention-deficit hyperactivity disorder]

Better Essays
1066 words | (3 pages) | Preview

Family Is The Most Important Aspect Of Life

- Families are the most important aspect of life, without a family to call your own is a shame. A family gives everyone their own specific click and people who will always care about them. According to McCornack (2013) a family is defined as a network of people who share their lives over long periods of time and are bound by marriage, blood, or commitment; who consider themselves as a family; and who share a significant history and anticipated future of functioning in a family relationship. From this definition of family, the person that fits the build of family the most to me is a brother....   [tags: Family, Interpersonal relationship, Psychology]

Strong Essays
1842 words | (5.3 pages) | Preview

Family Is The Most Important Aspect Of Life

- Introduction Families are the most important aspect of life, without a family to call your own is a shame. A family gives everyone their own specific click and people who will always care about them. According to McCornack (2013) a family is define as a network of people who share their lives over long periods of time and are bound by marriage, blood, or commitment; who consider themselves as family; and who share a significant history and anticipated future of functioning in a family relationship....   [tags: Family, Psychology, Interpersonal relationship]

Better Essays
1265 words | (3.6 pages) | Preview

Bowen Family Systems Theory for Differentiated Evaluatoin

- Bowen incorporated a theoretical scale for differentiation evaluation. A person with a lesser degree of undifferentiation has a weak identity or weak sense of self (Fritzlan, 1990). The larger amount of undifferentiation or differentiated, a person is more fused with others and has a common sense of self. An example is a person with a strong sense of themselves has the ability to express themselves clearly, which Bowen calls the solid self (Fritzlan, 1990). Bowen indicates this type of person will not compromise their self or beliefs for their family or other people....   [tags: self, scale, relationship]

Term Papers
1495 words | (4.3 pages) | Preview

Post Traumatic Stress Disorder ( Ptsd )

- Post-traumatic stress disorder, also known as PTSD, is a problem that many people face on a dai-ly basis. People from many different backgrounds, ages, and races are vulnerable to the problems that PTSD can cause. Not one type of person is immune to the possibility of experiencing a life-time of PTSD. The Anxiety and Depression Association of America (ADAA) describes PTSD as a “serious, potentially debilitating [mental] condition.” According to the National Alliance on Mental Illness (NAMI), PTSD is caused by “traumatic events, such as military combat, assault, and accident or a natural disaster, can have long-lasting negative effects.” Many facts involving PTSD continue to be uncovered as r...   [tags: Posttraumatic stress disorder]

Better Essays
1582 words | (4.5 pages) | Preview

The Perks Of Being A Wallflower

- The movie, The Perks of Being A Wallflower, released in 2012, is based on the book written by Stephen Chbosky, which was originally published in 1999. The book is all about the main character, Charlie, as he deals with his first year in high school, after the tragic death of his Aunt Helen. The movie opens with Charlie writing in a journal, which is a part of his therapy for the mental illness he suffers from on account of his Aunt 's death. The past year or so before this, Charlie had been suffering from memories and flashbacks of the way his Aunt died in a car accident....   [tags: Psychological trauma]

Better Essays
1197 words | (3.4 pages) | Preview

The Effect of Position of a Metal on Its Ability to be Displaced

- The Effect of Position of a Metal on Its Ability to be Displaced Aim To find out what affect the position of a metal in the reactivity series has on its ability to be displaced. Background Information ---------------------- The reactivity of metals is shown in the reactivity series below. Potassium Most reactive Sodium Calcium Magnesium Aluminium Zinc Iron Lead Copper Silver Gold Platinum Least reactive As zinc is higher in the reactivity series than both lead and copper, it will be able to displace them from their compounds....   [tags: Papers]

Free Essays
837 words | (2.4 pages) | Preview

Risk Taking Behaviour in Adolescence

- Adolescence is a venerable and unstable time of adjustment in which a child transcends into adulthood (Casey, 2008). During adolescence there are examinable changes in various areas of life. These changes occur physically as the adolescent goes through puberty, as well as psychological changes where high emotional reactivity emerges, and social development is at its height (Casey, 2008). Adolescents are more likely than adults or children to engage in risky behaviour that can subsequently lead to death or illness by drunk driving, carrying weapons, using illegal drugs, and engaging in unprotected sex, which in turn can lead to STD’s and teenage pregnancies (Eaton, 2006)....   [tags: Adolescent Behavior]

Term Papers
3025 words | (8.6 pages) | Preview

Diagnosis And Treatment Of Counseling

- This is an appeal to a previously denied request of Psychotherapy 12 sessions on 12/31/15 This is a 63-year-old female with a 4/7/2012 date of injury, when she was severely assaulted by a mentally ill client. DIAGNOSIS: Chronic PTSD 309.81; Depressive disorder. 01/19/16 letter to the utilization review noted an appeal to a previously denied request of 12 additional psychotherapy sessions, which are medically necessary for the patient. Her PTSD began when she was attacked at work. She had intense fear of being killed, recurrent and intrusive recollections of the event, recurrent distressing dreams, and intense physiological reactivity on exposure to someone appearing in her presence unexpect...   [tags: Anxiety, Psychology, Cognitive behavioral therapy]

Better Essays
789 words | (2.3 pages) | Preview

The Children's PTSD Inventory

- Test Critique The Children's PTSD Inventory is a sophisticated interview composed of a series of open and closed questions. Appropriate administration requires that the examiner have a thorough knowledge of the onset and progression of PTSD because, once each question is asked as written, the examiner must follow-up with appropriate probes and inquiries to more fully describe the child's experience. Only examiners familiar with the assessment and treatment of PTSD will know how to respond to children's answers....   [tags: Psychology]

Better Essays
927 words | (2.6 pages) | Preview

Benjamin Barber and Liberalism

- In the article Liberal Democracy and the Costs of Consent, Benjamin Barber sufficiently analyzes many liberal thinkers foundations. Barber indicates how vulnerable the classical sense of liberalism is to “modernity’s most devastating political pathology: deracination” (p. 56). Barber additionally recognizes the disadvantages that liberalism has developed since it evolved as a political ideology. Barber effectively expresses at the outset of liberal's ideal development of governing authority, furthermore dismantles the concept of consent becoming the most crucial, restrictive and stabilizing component to the liberal ideology....   [tags: Politics, Liberal Democracy, Barber]

Better Essays
877 words | (2.5 pages) | Preview

Inside Autism Spectrum Disorder

- Autism Spectrum Disorder is a neurodevelopmental disorder that is characterized by a number of deficits in verbal and non-verbal communication, social interaction with others, and other behaviors. Usually diagnosed in early infancy, this disorder is the most impairing and severe of the neurodevelopmental disorders. Before the publishing and release of the Diagnostic Statistical Manual of Mental Disorders (DSM-5) (American Psychiatric Association, 2013), Autism Spectrum disorder could be diagnosed be into three subtypes: Autistic Disorder, Pervasive Developmental Disorder, and Asperger’s Syndrome; however, the DSM-5 (American Psychiatric Association, 2013, as cited in Butcher, Hooley & Mineka...   [tags: autism, autistic disorder, social interaction]

Powerful Essays
1726 words | (4.9 pages) | Preview

Reaction Between Hydrochloric Acid and Magnesium

- Reaction Between Hydrochloric Acid and Magnesium Introduction In the reaction between hydrochloric acid and magnesium, the hydrochloric acid will dissolve the magnesium and produce hydrogen gas. All chemical reactions involve reactants which when mixed may cause a chemical reaction which will make products. In my case the reactants are hydrochloric acid and magnesium ribbon. The chemical reaction takes place when the magnesium ribbon is dropped into the hydrochloric acid....   [tags: Papers]

Powerful Essays
1914 words | (5.5 pages) | Preview

Vaccines Are The Best Public Health Achievements Of A Healthier Environment For Children, Elderly, And The Immune

- “Outbreak of 51 measles cases linked to Disneyland” was reported by CNN in January (Ellis, Levs, & Hamasaki, 2015). This news sparked outrage on social media as people argued for and against childhood vaccinations. Many parents make decisions against vaccinating their children without considering the effects on the community. Vaccines are instrumental in making the world a healthier environment for children, elderly, and the immune compromised. This essay will discuss why all parents should choose to vaccinate their children....   [tags: Immune system, Vaccination, Vaccine]

Better Essays
1423 words | (4.1 pages) | Preview

Properties and Organization of Elements in the Periodic Table, a chapter summary

- In chapter seven we learned about the electron structure of an atom. We learned about the Bohr model, electromagnetic energy, and many other related topics. In this essay I will explain in further detail what light really is and how we describe it. I will describe the behavior of electrons in both a hydrogen atom and all atoms. I will explain the arrangement of the elements in the periodic table, state which electrons are chemically important in atoms, and lastly I will describe the properties of atoms and their relation to their electron arrangements....   [tags: light, Bohr, electrons]

Free Essays
1026 words | (2.9 pages) | Preview

Reassortment of Swine H1N2 and Pandemic H1N1 in Pigs, United States

- Pandemic H1N1 (pan-H1N1) influenza virus was first reported in Mexico during April of 2009 followed by rapid spread to different countries (1). Although the origin of the 2009 pan-H1N1 is unclear, the virus is genetically closely related to triple reassortant (TR) swine influenza viruses (SIVs) currently circulating in swine. Classic H1N1 SIV has been widely reported since an influenza-like outbreak was first detected in swine in the United States (U.S.) during the catastrophic 1918 human influenza pandemic (2)....   [tags: Health, Diseases]

Better Essays
800 words | (2.3 pages) | Preview

Statement of Purpose for Material Science Major at John Hopkins University

- Personal Statement My passion in engineering and science is, in part, due to my Grandfather, who is the deputy director of one of the research institutions at the Chinese Academy of Science. Influenced by the atmosphere of scientific and intellectual conversation, I have been exposed to cutting edge technology my entire life. In particular, my interest in material science can be traced back to my explorations in civil engineering and mechanical engineering at Stony Brook. In my freshman and sophomore years, I was taking a lot of civil engineering and mechanical engineering courses, through which I discovered that the major breakthroughs in those fields were at the material level nowadays....   [tags: engineering, research projects, technology]

Better Essays
771 words | (2.2 pages) | Preview

Case Analysis of Jack and Ally through the Ecological Framework

- The following is a critical analysis of a case study on a three year old boy named Jack. Case documents reveal that Jack expresses behaviours and developmental issues that align with a diagnosis of Oppositional Defiant Disorder (ODD) and/or Attention Deficit and Hyperactivity Disorder (ADHD). Case information outlines details of Jacks infantile behaviours, family dynamics and current developmental issues. The purpose of this critical analysis is to identify and examine multiple risk factors that are present across various levels of Jack’s environment simultaneously....   [tags: Child Development]

Powerful Essays
2009 words | (5.7 pages) | Preview

Does Buying a Dog or Cat Change a Person's Personality

- ... There is a general belief that dog owners have a different personality and disposition than cat owners. This brings us to the research experiment we will be conducting. Will owning a dog or a cat possibly change your personality by increasing or decreasing an individual’s extroversive behavior. I am predict that dog owner’s will aspire to a higher trait of extraversion after two years of owning it and cat owner’s will have lower behavioral traits of extraversion. The goal of this paper is to gain knowledge on what can change one’s personality as well as to reflect upon the personality changes that may exist when having a dog or a cat....   [tags: psychological research]

Better Essays
1192 words | (3.4 pages) | Preview

A Social Psychological Solution to Ethnic Prejudice in Schools

- A Social Psychological Solution to Ethnic Prejudice in Schools Schools should provide a safe atmosphere of learning and growth for all schoolchildren, given equal opportunities to everyone. Educators should focus on the student’s academic performance, self-esteem, satisfaction with the school, and getting along well with their peers (Walker & Crogan, 1998). Negative self-esteem may affect academic performance. Increased liking of peers leads to the acceptance of those peers, and turns as a prerequisite to a positive development of self-esteem (Aronson and Osherow, 1980)....   [tags: equal rights, education reform, sociology]

Powerful Essays
3096 words | (8.8 pages) | Preview

Acute Rheumatic Fever (ARF) and Rheumatic Heart Disease (RHD)

- Acute rheumatic fever (ARF) is defined by Mosby (2010) as a systemic inflammatory disease which is enabled development with inadequate treatment of upper respiratory tract infections of group A beta-hemolytic streptococci. Repeated episodes of ARF can cause autoimmune reactions within the heart which in turn inflicts damage upon the heart muscle and heart valves, a condition termed as rheumatic heart disease (RHD) (Mosby, 2010). Predominately ARF and RDH cases are found to effect people living in developing countries....   [tags: Acute Rheumatic Fever]

Powerful Essays
1506 words | (4.3 pages) | Preview

Cycloaddition of Dichlorocarbene onto Finite-Size Graphene Sheets: DFT Study

- Unique properties and perfect structures of fullerenes and carbon nanotubes (CNTs) predetermine their great influence on nanotechnologies. These nanoclusters demonstrate outstanding mechanical, physical, chemical, electronic and optical properties and have attracted enormous attention of researchers worldwide [1-7]. Graphene, planar sheet of sp2-bonded carbon atoms, is the fundamental component of graphite and carbon nanotubes. The discovery of Geim and Novoselov in 2004 [8] has generated intense activity on graphene research....   [tags: energy, graphene, properties]

Better Essays
714 words | (2 pages) | Preview

Waste Removal with Incineration Methods: An Experimental Stud

- Millions tons of waste are discharged worldwide every day; most of it is dumped in landfills or discharged to rivers and seas without prior treatment. However, while the demand for waste disposal capacities is increasing, the availability of suitable sites is on the decline. Waste has become a critical problem for industrial society, particularly in big cities and densely areas. Therefore, the need to avoid or reduce the waste and to recycle it will become an over important political and economic issue....   [tags: Filter, Sorbents, Chemistry]

Strong Essays
1253 words | (3.6 pages) | Preview

Classical Conditioning And Addiction ( Choi Et Al

- Classical conditioning and addiction Another current research paradigm links classical conditioning with addiction acquisition (Choi et al., 2011). Accordingly, it is proposed that classical conditioning can also be used to undo addictive behaviours by disconnecting smoking cues from nicotine delivery. The essence of classical conditioning is that new behaviours are formed through connecting a previously neutral stimulus to an existing stimulus, so that the neutral stimulus evokes the same response that the current stimulus evokes (Chance, 2014)....   [tags: Classical conditioning, Behaviorism, Addiction]

Better Essays
1246 words | (3.6 pages) | Preview

Being Human Is The Prospect Of Intimate Relationships

- Part of being human is the prospect of intimate relationships with those that we come in contact with. Each one of us has a mixture of feelings towards those that we 're intimate with and learning to tolerate ambivalence is an essential part of the process of growing up. One person that I have strong conflicting feelings towards is my girlfriend of three years, Kourtney Milling. These ambivalent feelings are not from a lack of love, but from the everyday struggles that come with this intimate of a relationship with another human being....   [tags: Psychology, Interpersonal relationship, Emotion]

Better Essays
910 words | (2.6 pages) | Preview

Post-traumatic Stress Disorder (PTSD) and Brain Function

- Introduction Post-traumatic stress disorder (PTSD) is a widely talked about topic, what with the wars in Iraq and Afghanistan still going on. Soldiers returning from deployment are at a higher risk due to the events that they live through while overseas. With the topic being as well-known as it is due to the wars, it’s no wonder that it has caused quite a push in the psychology/neuropsychology field to fully understand what PTSD really is and where it lies within the person. To figure out where within the brain PTSD actually effect lies the clue as to how to understand it better and possibly find a way to make treatment better and hopefully more specialized to the individual instead of a bla...   [tags: disorder, hippocampus]

Strong Essays
1228 words | (3.5 pages) | Preview

The Effects Of Stress On The Brain

- We have known for a long time that chronic exposure to stress hormones, be it during prenatal period, infancy, childhood, adolescence, adulthood or aging, will have an impact on the brain structures involved in cognition and overall mental and physical health. The specific effects on the brain, behavior and cognition can depend on the timing and duration of the exposure as well as the interaction between gene effects and any previous exposure to environmental adversity. In an article by Lupien, McEwen, Gunnar, and Heim (2009), they hope to develop a model to explain why different disorders emerge in individuals exposed to stress at different times in their lives utilizing both animal and hum...   [tags: Psychology, Brain, Cerebrum, Mental disorder]

Better Essays
906 words | (2.6 pages) | Preview

Analysis Of Multigenerational Therapy : The Therapist

- Engagement and Joining Process In Multigenerational Therapy: the therapist all the differentiated individuals allow the family members to explain their problems, thoughts, feelings. They allow the family members to explain their situation, and encourage the family members to accept personal responsibility for their thoughts, feelings, perceptions and actions (Bitter, 2014). The role of Function of the Therapist in Multigenerational therapy is to help individuals in the family asses and understand their relational styles with the family system (Bitter, 2014)....   [tags: Family therapy, Family, Psychotherapy, Therapy]

Better Essays
783 words | (2.2 pages) | Preview

Mindfulness Based Stress Reduction ( Mbi )

- Mindfulness Based Interventions The most commonly used mindfulness based Interventions (MBI) used are the mindfulness based stress reduction (MBSR), and mindfulness based cognitive therapy (Gu, Strauss, Bond & Cavanagh, 2015). Mindfulness based stress reduction was originally developed to treat chronic pain patients and was developed by Jon Kabat-Zinn (Lorentz, 2011). The MBSR is a group-based training that is held once a week, over an eight-week period for 2.5 hours per session. A variety of techniques are used to teach mindfulness....   [tags: Psychometrics, Reliability, Validity]

Better Essays
1066 words | (3 pages) | Preview

The Sum Of All Nuclear Engineering Fears

- The Sum Of All Nuclear Engineering Fears The Chernobyl fourth unit rbmk-1000 was a light water graphite-moderated reactor constructed by the Soviet Union for power and plutonium production. Graphite, water and boron carbide control rods were among the main components to regulate the power and reactivity of the rbmk-1000 nuclear reactor core. The reactor was constructed in 1983 and operated under Soviet Union supervision with no major incidents. However, during a test to improve the reactor safety standards in 1986, it came across many unregulated engineering procedures that ended disastrously....   [tags: Nuclear power, Chernobyl disaster, RBMK]

Better Essays
1108 words | (3.2 pages) | Preview

Bipolar Disorder Is An Overwhelming Mental Illness

- Introduction Bipolar disorder is an overwhelming mental illness that can affect one’s life drastically. Bipolar is a disorder that is characterized by recurring episode of mania and depression. Most people who suffer from bipolar disorder are often misdiagnosed, and undergo ineffective treatments, which may hinder recovery and lead to the progression of the illness. In the movie “Mr. Jones”, (1993) the main character experiences broad symptoms of bipolar disorder that lead to an improper diagnosis....   [tags: Bipolar disorder, Mania, Hypomania]

Better Essays
1598 words | (4.6 pages) | Preview

The Use Of Aerobic Exercise On Depression

- The goal of lesson three is to identify the sampling methods in five psychology research publications and discuss any ethical considerations posed in these articles. Appropriateness of the methods used along with artifacts and confounding variables are discussed. A review of whether the researchers accomplished their goals by utilizing these sampling techniques follows. McCann & Holmes’s used nonprobability convenience sampling for their study, “Influence of Aerobic Exercise on Depression” completed in 1984....   [tags: Sampling, Sample]

Better Essays
1088 words | (3.1 pages) | Preview

Understanding The Anxious Mind By Jerome Kagan

- In “Understanding the Anxious Mind” we are introduced to Jerome Kagan, a Yale Ph.D. graduate and psychology professor at Harvard University. In 1979 he conducts his first longitudinal study at the school to challenge the idea that children are more than just “difficult” or “easy” based on temperament, and recorded the findings and analyzations of over 400 preschoolers exposed to new stimuli and their reactions. Over the years 107 returned to be reexamined in which he found that very few showed signs of change over a period of 5 years and therefore, not much could be determined due to nature vs....   [tags: Anxiety, Psychology, Emotion, Jerome Kagan]

Better Essays
1309 words | (3.7 pages) | Preview

Personality Is A Complex, Never Ending Process

- Human beings and what defines us is a complex, never-ending process. We are a combination of our biology and our experiences. I believe that a person is born with a personality that becomes molded overtime due to our experiences and produces who we are as people. Who we are as people is determined by a multitude of interactions and constructs. This idea of personality is nearly impossible to define, as everyone defines personality differently. The construct of personality is hard to define, and many personality theorists continue to debate on its definition....   [tags: Nature versus nurture, Human nature, Psychology]

Better Essays
2392 words | (6.8 pages) | Preview

A Research Study Pool And Posted Flyers

- One hundred and eighty (180) participants in 90 dyads were recruited via an online study pool and posted flyers. Two dyads were removed after data collection because they reported they had not been in a romantic relationship. Thus, the final sample comprised 176 participants (93 Females; 86 White, 57 Asian, 13 Hispanic, 8 Black, 12 mixed/other; Mage = 20.63, SD = 2.56, range 18–38) in 88 dyads (83 heterosexual dyads, 5 lesbian dyads; Relationship length: M = 14.71 months, SD = 13.5, range 3–76)....   [tags: Emotion, Feeling, Paul Ekman, Testosterone]

Better Essays
1263 words | (3.6 pages) | Preview

Post Traumatic Stress Disorder ( Ptsd )

- Post-traumatic Stress Disorder is a serious condition that is caused by the experiencing of “frightening, shocking, or intrusive memories”. PTSD is commonly known in war veterans, the disorder became known during World War 1 because of the harsh conditions it enforced upon the soldiers. Over the years, research has led to a greater knowledge of this disorder, creating more improvement in ways of treating the symptoms brought on by it. PTSD normally occurs in people who have experienced or witnessed a natural disaster, serious accident, terrorist incident, sudden death of a loved one, or violent personal assault (America, 2016)....   [tags: Psychological trauma]

Better Essays
1412 words | (4 pages) | Preview

Mortality of Reintroduced or Trans-Located Animals

- A major impediment to recovering declining populations successfully is the mortality of reintroduced or trans-located animals. It is of the general assumption that captive-born animals might lose their anti-predator behaviour abilities in captivity, but studies rarely compare predator recognition abilities of captive-born and wild-captured animals to test this. Predators often kill reintroduced and trans-located animals, and this mortality is often a considerable hindrance for successful population recovery....   [tags: captivity, predator, annti-predator skills, MIS]

Strong Essays
1259 words | (3.6 pages) | Preview

Liquid Metal Battery in Energy Conservation

- Energy conservation is becoming a global issue as the earth is nearing its carrying capacity. Energy consumption has steadily been increasing around the globe despite the drive for more energy efficient machines and devices. Rapid advancements in alternative energy sources have shed new light to the use of renewable energy sources in replace of fossils. Renewable energy sources such as wind and solar are able to be converted to electrical energy to power the daily needs of human beings. However, renewable energy sources can only provide so much as they can only be used in certain circumstances....   [tags: Energy consumption, Natural Resources, Earth]

Strong Essays
1446 words | (4.1 pages) | Preview

The Behavioral Influence of Weather Conditions

- Weather and Behavior: The Behavioral Influence of Weather Conditions Imagine someone who has never been clinically diagnosed with any mental disorders such as schizophrenia nor bipolar disorder. He has a deep history of criminal activity involving events such as getting into fights with strangers as well as theft, which lead to his many stays in the county jail. His mother cannot figure out why her son acts this way and starts to believe something in the atmosphere is triggering his behavior. What could possibly be affecting him to behave negatively....   [tags: psychology and crime]

Term Papers
1898 words | (5.4 pages) | Preview

Antoine Laurent Lavoisier: A Brief Biography

- Antoine Laurent Lavoisier is considered to be the father of modern-day chemistry. He had an unbelievable impact on the way the world views chemistry today. From identifying elements to discovering the importance of the role of combustion, he played an essential part in the world’s scientific ideas and inventions. He was so influential that he is said to have an equal if not greater impact in chemistry as Newton did in physics. Because of these accomplishments, he is considered one of France’s and the world’s most outstanding scientists....   [tags: the father of modern-day chemistry]

Strong Essays
1149 words | (3.3 pages) | Preview

A Brief Look at Multiple Sclerosis

- Multiple sclerosis (MS) is a CNS autoimmune disease with multifactorial etiology5. Although the exact cause of this disease is still unknown, but genetic and environmental factors influence susceptibility to the disease. Low serum concentration of 25-hydroxyvitamin D (25OHD) and immune response to Epstein-Barr virus (EBV) are most considered crucial factors.8,10,11,13,23,30 But so far no single factor has been identified as the causal risk factor for trigger of MS. Recent sero-epidemiological papers have shown that elevated antibody reactivity against Epstein-Barr nuclear antigen-1 (EBNA-1) and viral capsid antigen (VCA) is associated with an increased risk of multiple sclerosis (MS).1,3,14,...   [tags: autoinmune disease with multifactorial etiology]

Term Papers
1434 words | (4.1 pages) | Preview

Atomic Theory And The Atomic Model

- It is apparent that, during certain areas of history, the atomic models repetitively questioned as new material became available in the study of that field. Specific concepts begin to elevate themselves above others and become dominant as they begin being experimented on. Judging by the the literature on the development of the atomic model, the first speculations began around the ancient Greek and Roman times. The Greek and Roman philosophers speculated, what is the nature of matter, or what is this stuff made up of....   [tags: Atom, Chemical element, Chemistry, John Dalton]

Strong Essays
3127 words | (8.9 pages) | Preview

The Disruption Of Hur Mrna Binding

- The Disruption of HuR-mRNA Binding through Cysteine-Specific Covalent Modifications Key Words: HuR, Cysteine-Specific Covalent Modification, Electrophilic Probes, Alkylation The covalent modification (CM) of functional amino-acid residues of regulatory proteins, using small-molecule electrophilic probes has become an emerging field in studies focused on disrupting protein-protein or protein-mRNA interactions. In particular, cysteine-specific covalent modification (CSCM) is a unique aspect of biochemistry that has been shown to be a useful approach in studies ranging from plant growth regulation to human diseases such as cancer.1 As summarized by Weerapana in a current review “functional cy...   [tags: Protein, Amino acid, Disulfide bond, Cysteine]

Better Essays
1121 words | (3.2 pages) | Preview

Structure Of Formation Of Cratonic Basins

- 4. Discussions 4.1 crustal modifications in SCB and Chuxiong cratonic basins Central Sichuan (SC), in between Longquan F. and Huayingshan F., is considered as the oldest and the most stable core of the Yangtze plateau, which has a high homogeneous and degrees of hardenability basement below (XiongXS et al., 2015). Chuxiong basin, with Paleoproterozoic rigid lower basement, is independent of tectonic activity. These two cratonic basins both show a relatively low Vp/Vs ratio in lower crust compared to the global average (Christensen, 1996)....   [tags: Plate tectonics, Orogeny, Mantle, Fault]

Better Essays
1461 words | (4.2 pages) | Preview

The Case Of Angela And Adam

- I will be evaluating the case of Angela and Adam. Angela is a white 17 year old female and Adam is her son who is 11 months old (Broderick, P., & Blewitt, P., 2015). According to Broderick, P., & Blewitt, P., (2015) Angela and her baby live with her mother, Sarah, in a small rental house in a semirural community in the Midwest. Adam’s father, Wayne, is estranged from the family due to Sarah refusing to allow him in the house however, Angela continues to see him without her mother’s permission which is very upsetting for Sarah....   [tags: Attachment theory, Developmental psychology]

Better Essays
1783 words | (5.1 pages) | Preview

The Work Of Macdonald Et Al

- The work of MacDonald et al. serves as a study that demonstrates a new approach of protein modifications with 2-pyridinecarboxyaldehydes (2PCA), without requiring genetic engineering to the native state of these proteins 7. They initially report from previous studies, common methods for modifying proteins, which include native chemical ligations (NCLs), alkylation of cysteine (Cys) residues, and enzymatic labeling techniques 7. Following this further, MacDonald and coworkers go to explain that, though these methods have proven to be highly useful, they require varying degrees of the rearrangement of proteins from its native state, which in turn can reduce the protein expression levels 7....   [tags: Protein, Amino acid, Protein structure]

Better Essays
715 words | (2 pages) | Preview

A Brief History of Lime

- Symbol: Ca From the Latin calx which means lime. It was used as a building material as far back as 7000 to 14000 BC. Determine when and how this metal was discovered (and, if possible, who discovered this metal). This metal was discovered in Khafajah Mesopotamia; around 2500 BC (first kiln date). The Ancient Romans prepared lime as calcium oxide. However this could not be the first scientific date of discovery; this is because it was not discovered, isolated and named. An English scientist named Humphry Davy was the first person to isolate calcium, this was done in 1808 by mixing mercuric oxide and lime; he then performed an electrolysis of the mixture....   [tags: Chemistry Metals, Building Material, History]

Better Essays
929 words | (2.7 pages) | Preview

Is There Racism on Juries?

- Method Participants A total of 133 participants (57 males, 73 females; 2 unreported) participated in this study. Participants were recruited from two online databases (SocialSci and MechanicalTurk) and students from a private northeastern college. The data from 8 participants that reported being Non-United States citizens and data from 10 participants who took less than 10 minutes or more than 2 hours was removed. Thus, the results were based on the data from 115 participants (48 male, 66 female)....   [tags: survey, experiment, victim]

Strong Essays
1051 words | (3 pages) | Preview

Metals and Mining in India

- Chemistry Task sheet Metal from their Ores What is an ore. An ore is a rock that has minerals and essential elements such as metals. It occurs naturally and is obtained through mining. Valuable elements are then extracted from it through different methods. In simpler words, it is a naturally occurring solid material from which a metal or valuable mineral can be extracted profitably. Iron How iron is naturally found in environment. Iron is very reactive and is found in nature in form of its oxides, carbonates and sulphates....   [tags: Chemicals, Projects]

Better Essays
1224 words | (3.5 pages) | Preview

Sleep And Rapid Eye Movement

- Sleep is an active process which performs a number of important functions. One of the most clearly demonstrated of these is the beneficial impact of Rapid Eye Movement (REM) sleep on emotional memory consolidation and processing, with disruption of this brain state resulting in a bias towards the consolidation of negative memories and increased reactivity to negative stimuli. Given the high level of concordance between insomnia and depression, in addition to the abnormal REM sleep architecture seen during depressive episodes, it is conceivable that these processes contribute to its onset and maintenance....   [tags: Sleep, Memory, Sleep deprivation]

Strong Essays
2974 words | (8.5 pages) | Preview

Physics Of The Atomic Mass

- Everything around us is made from matter, which is made from atoms. To find the amount of subatomic particles in an atom, one must consider the atomic mass, which is used to identify the total amount of neutrons in the nucleus of the atom. One must also consider the atomic number which is the number of protons and electrons in the atom. An isotope is an alternative form of atom which contains the same amount of protons and electrons but has a different amount of neutrons; it affects only the atomic mass of the atom when an atom becomes an isotope....   [tags: Periodic table, Atom, Atomic number]

Strong Essays
1166 words | (3.3 pages) | Preview

Marijuana Use For Medical Treatment

- A hot topic at this time, which is the cause of much debate, is marijuana use for both medical and recreational purposes. Most are in favor of marijuana use for medical treatment, such as relief for glaucoma, chronic pain, and inflammation. But, some even see marijuana as a harmless and pleasure giving drug which should be legalized for recreational use. In fact, the movement to push for legalization has only been increasing recently. Marijuana at this time is the most frequently used drug in the United States with 12% of users age 12 or under (Dan L....   [tags: Drug addiction, Recreational drug use, Addiction]

Strong Essays
1873 words | (5.4 pages) | Preview

I Am My Best Qualities

- If you were to ask a friend or family member to describe me, they would probably say that I am hard working, outgoing, an outdoorsman, and an overall amazing friend. Ever since I was a little kid, I have always been a hard worker. For example, I would always go above and beyond what was required for a project that was due in grade school. Whether it was a diorama, and a report about iguanas, or a poster on Jackie Robinson, I would always put way more work into the project thatn was actually needed....   [tags: Artery, Heart, Coronary circulation]

Better Essays
1506 words | (4.3 pages) | Preview

These results are sorted by most relevant first (ranked search). You may also sort these by color rating or essay length.


Your search returned 384 essays for "reactivity":
1  2  3  4  5    Next >>