Your search returned 200 essays for "salts":
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Analysis of Carbon Dioxide CO2

- Analysis of Carbon Dioxide CO2 Carbon Dioxide (CO2) is a colorless gas, which was first discovered in 1577 by Van Helmont who detected it in the products of both fermentation and charcoal burning. CO2 is used in solid, liquid, and gas forms in a variety of industrial processes. These include: beverage carbonation, dry ice, welding and chemicals manufacturing. It is produced by the combustion of all carbonaceous fuels and can be recovered in an abundance of ways. It is widely used today as a by-product of synthetic ammonia production, fermentation, and from flue gases by absorption process....   [tags: Chemistry]

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Why the Sea is Salty

- Why is the sea salty. One theory states that the sea is salt because of the “mid-Ocean” rift. Fresh basalt flows up through the rift along with “juvenile water; water that is made up of many of the components of sea water including chlorine, bromine, iodine, and many other molecules. Also some salts get into the ocean through volcanoes and even fresh water rivers carries salt into the sea. The sea is composed of many other things. Scientist over the years has conducted many experiments to prove not only of what the sea is made have but also many other things....   [tags: essays research papers]

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the wilsons disease

- The Wilson’s Disease The Wilson’s disease is a genetic disorder of the thirteenth chromosome. This disease is an inherited disease and it is mostly likely to be in all of the offspring if a parent had it. It is the unnecessary increase of copper in the liver and brain. This is cause by a defect in the transport of copper. Wilson’s disease is a rare autosomal recessive disorder of the copper transport resulting in the copper buildup. It is also known as Hepatolenticular Degeneration as the scientific name....   [tags: essays research papers]

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The Biological Importance of Water as a Solvent and as a Medium for Living Organisms

- The Biological Importance of Water as a Solvent and as a Medium for Living Organisms Water is possibly the most important substance life as we know it, as we need in order to survive; it also provides an environment for many species. All cells contain a minimum of 85% of water, with most fluids inside and outside of the cell likely to have at least 90% water. Both transportation of molecules and chemical reactions take place in dissolved water. In chemical terms, the water molecule is strongly dipolar, this property makes water a very effective solvent, particularly for crystalline salts .So, water is the solvent of the body & it regulates all functions, including...   [tags: Biology Essays]

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The Use of Turbine Blades in Generating Electricity

- The Use of Turbine Blades in Generating Electricity Turbines are used in many different ways produce and generate electricity. They are used as gas turbines, coal turbines and steam turbines. Each one has a different property, which makes it unique. Airlines and cars generally run on gas turbines. Steam engines, ships and railway engines run on coal turbines as coal produces a high amount of energy that enables them to run for long length of time before adding more coal. In order for these turbine's to operate well and efficiently with as little maintenance as possible, it is necessary for the turbine's to have well-constructed, well designed turbine blades....   [tags: Papers]

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Cadmium

- Cadmium, symbol, Cd, is a silvery white metallic chemical element with a faint blue tinge to it. It is the fifty-seventh most commonly found element in the earth. It was discovered by F. Stromeyer, in 1817, in Germany. Stromeyer was studying a sample of zinc carbonate which separated into a the new element ultimately called cadmium. The only cadmium materials, greenockite (cadmium sulfide) and otavile (cadmium carbonate) are found in zinc oxide and zinc carbonate. Cadmium, which is usually associated with zinc has some differences; some of which are that cadmium is softer and has a lower melting and boiling point than zinc....   [tags: essays research papers fc]

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Chromium

- Chromium Chromium is a very hard, brittle, gray metal, which is sometimes referred to as Siberian red lead. It does not rust easily and becomes shiny and bright when it is polished. The shiny trim on our automobile bumpers and door handles is usually electroplated chromium. Most chromium comes from something called chromite which is a mixture of chromium , iron, and oxygen. Chromite is a common rather ordinary black mineral that no one really noticed until more recent times. Nearly all the world's supply of chromite comes from Zimbabwe, Russia, Turkey, South Africa, Cuba, and the Philippines....   [tags: essays research papers]

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Chemicals Tests for Anions in Various Salts

- Chemicals Tests for Anions in Various Salts APPARATUS Spatula Test tubes and racks Pipettes Chemicals used Hydrochloric acid Nitric acid solution Barium chloride (harmful) Silver nitrate solution Metal salts used for testing Potassium chloride (KCI) Iron chloride (FECI3) Sodium sulphate (NASO4) Calcium carbonate (CACO3) Lead carbonate (PBCO3) Tap water RISK ASSESMENT Potassium chloride Explosive when mixed with combustion materials....   [tags: Papers]

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The Importance of Water

- Water, the most abundant compound on the planet, is a material, which is essential for all living organisms. Its uses in all living things cover a huge variety of everyday functions, which are important to the continuity of the organism. Water has obvious familiar properties, its colourless; It's tasteless; It's odourless; It feels wet; It's distinctive in sound when dripping from a faucet or crashing as a wave; It dissolves nearly everything; It exists in three forms: liquid, solid, gas; It can absorb a large amount of heat; It sticks together into beads or drops; It's part of every living organism on the planet....   [tags: Papers]

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Heroes Usually Die Young in the Iliad, but Odysseus has Wit

- In the Iliad the Heroes are the ones who died young on the battle field in the high of their prime. A perfect example of this is Achilles, who choose to go to Troy knowing he will have a story, but glories life. Odysseus, does care about the glory of war. He does everything he can to stay at home with his family. Including faking insanity and sowing his field with salts. Yet he still consider a hero. In fact Odyssey is a story about Odysseus journey home, not about war and battle which is the case with the Iliad....   [tags: Iliad, heroes,]

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Separation of M-toluic Acid, Acetanilide, and NaCl

- Discussion Overall this experiment was a success yielding 98.8% of the initial 1.34g of known compounds. Looking at Table 1 the problem of separation quickly becomes apparent, both M-Toluic Acid and Acetanilide are insoluble in water. This left two non-salts in one mixture, and what solvent to use to separate these two was the most important question as their respective melting points are also very similar. After looking at both compounds and noticing the M-Toluic Acid (Image 2) had an OH group hanging off of it next to a double bond, the H ion on the end would be susceptible to a base....   [tags: Chemistry]

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Air and Rock

- Air and Rock Composition of atmosphere: * 78% nitrogen * 21% oxygen * 0.04% CO2 * 1% Noble gases (mainly argon) Atmosphere wasn’t always like this, here’s how the first 4.5 billion years have gone: Phase 1 (first billion years) – Volcanoes gave out steam, CO2, NH3 and CH4 ---------------------------------------------------------------------- * earth’s surface molten, any atmosphere boiled away. * Cooled and thin crust formed but volcanoes kept erupting....   [tags: Papers]

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Osteoporosis

- Osteoporosis Osteoporosis is a health ailment which causes bones to become so porous that they can break easily. Osteoporosis literally means 'porous bones'. The bones in our skeleton are made of a thick outer shell and a strong inner mesh filled with collagen [protein], calcium salts and other minerals. The inside looks like honeycomb, with blood vessels and bone marrow in the spaces between bone. Osteoporosis occurs when the holes between bone become bigger, making it fragile and liable to break easily....   [tags: essays research papers]

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Timshel in Steinbeck´s East of Eden

- ... To convey his views, Steinbeck structures the sentences accordingly and uses a vast word choice and tone intertwined together. He opens with “Mrs. Trask was a pale, inside-herself woman” (Steinbeck 15), and how “no heat of sun ever reddened her cheeks, and no open laughter raised the corners of her mouth” (Steinbeck 15). The effect of this develops her character, a dark woman with stern thoughts. Beginning with such an eerie sentence also develops the mood, as both diction and tone go hand in hand....   [tags: open, choice, one, evil, dark, side]

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Solids, Liquids, and Gases

- Solids, liquids, and gases are the three main, or fundamental phases of matter. Each one has a different density and a different level of stability. What determines the stability of each phase is the bond between it's atoms. The tighter the bond between it's atoms the more stable that phase of matter is. Solids are the most stable form of matter, followed by liquids, and then gases. Solids have a definite shape and do not take the shape of their container. Liquids do not have any definite shape and do take the shape of their container, the same is true with gases....   [tags: essays research papers]

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The Two-Faced Detergent

- Whether soil particles are attached to carpet fibers, wood floors or restroom sinks, they need to be removed. But how is this done. Most of us wipe or scrub a dirty surface with soap and water without a second thought about how they actually work to remove soil. The process of removing dirt begins at the molecular level. In order to understand how soap works, we must first acknowledge what soap actually does. By definition, soap is a mixture of sodium or potassium salts and long chain organic acids....   [tags: informative essay]

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Cholera Outbreak in Nampula

- 3. Details: Cholera outbreak in Nampula An outbreak of cholera was reported in Nampula in northern Mozambique on 04 March 2014. The health authorities already recorded 172 cases by the time of the information release and mentioned that an average of 10 to 13 severely affected people still arrive at the cholera treatment centre every day. To control the outbreak, water samples were analysed to determine the presence and level of contamination and the residents were encouraged by mobiles health units to apply and strengthen individual and collective hygiene measures....   [tags: biology, hygiene, health]

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Biology Answers to Quiz: Cells

- 1. I believe that these polymers, Cellulose, starch and glycogen have different properties because they are used in different organisms. Cellulose and starch are mainly used in plants and glycogen is used in animals. Cellulose is used for strength in its stems and leaves and uses starch for help with storing things. Glycogen is used in animals to help store things as well. These polymers have different properties because they have different functions in different organisms. 2. Diffusion is the spreading out of particles from an area of high concentration to an area of low concentration....   [tags: Cellulose, Difussion, ATP]

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Gold Nano Particles

- ... However, it needs to be avoidable the use of chemical reagents in the AuNPs which are ecologically injurious and toxic (19-20).Hence, non ecofriendly nature of the chemical methods has the inherent drawbacks. The replacement of non-ecofriendly synthesis methods with clean, nontoxic and globally acceptable green chemistry methods (21) are the present day need in synthesizing AuNPs. Several biological systems such as bacteria, fungi and plants can actively reduce metal ions and form eco-friendly nano particles (22-24)....   [tags: drugs and dna delivery systems]

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The Analysis of the Human Fingerprints

- ... In addition, fingerprints are left on surfaces because of the combination of the ridges in your skin and the natural oils and sweat produced on your skin. Secretions from your sweat glands leave varying amounts of oils and salts on the skin. When your finger comes into contact with any surface, these secretions, along with the ridges on your fingerprint, produce a mirror image of the fingerprint on the surface on the object that you touch. However, this is only the first step in the process that is fingerprint analysis....   [tags: basal, layer, surfaces, crime, investigation]

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Getting Enough Calcium through Food

- ... Another popular choice is cottage cheese. One half-cup of low-fat cottage cheese provides 10% of the recommended daily value of calcium. Dairy products have consistently been found by researches to improve bone health and other calcium needs in the body across every age group. For those seeking non-dairy options to intake calcium, whether for taste or lactose-intolerant purposes, many options are available. Vegetables such as turnips, broccoli, cauliflower, and kaleo supply calcium amounts of 30-80 mg per half-cooked of every cooked serving....   [tags: dairy, vegetables, cooking, loss]

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The Environmental Impacts of Drainage Water

- Population growth and increasing demands for food are the major factors to maximize the use of available resources. Water is a vital element of production and industry. Modernization of irrigation techniques has resulted in development of irrigated fields to increase agricultural products .Despite arable area in the semi- arid and amount of enhanced production but some crop land faced water table and salinity problems .Drainage installation whether subsurface or surface with different types can be an appropriate option to manage water table and salinity....   [tags: agriculture, irrigation, pollution]

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Life-Threatening Disease: Cystic Fibrosis

- Cystic Fibrosis is an autosomal recessive disease that affects 30,000 people in the U.S alone and near 70,000 worldwide. The life-threatening disease primarily affects the digestive system and the respiratory system. It is the cause of a dysfunctional CFTR gene, which disrupts the exocrine functions of the pancreas, biliary tree, bronchial glands and the sweat glands. The gene on chromosome 7 is in charge of moving the salt in and out of the cells within the body. When the cells are not capable for the efficient flow of salts a different kind of mucus is produced....   [tags: symptoms, signs, digestive problems]

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History of Fireworks

- History of Fireworks The birthplace of fireworks is generally recognized as China, with the first explosive mixture found being black powder, during the Sung dynasty ( 960-1279 ). It is said that a cook in ancient china found that a mixture of sulfur, saltpeter, and charcoal was very flammable and would explode if enclosed in a small space. The first application of this technology was for entertainment. The Chinese are still the leader in the production of fireworks. Once the recipe for black powder was perfected, they found that it was easily used as rocket fuel, and they made hand carved wooden rockets in the shape of a dragon, in the sixth century....   [tags: Chine Fireworks Explosives Essays]

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Investigation of Waste Materials

- Investigation of Waste Materials Waste materials are generated by the metabolic activity of the cell. If allowed to accumulate they would reach toxic concentrations and so must be continually expelled. Excretion is the process of removing waste products and other toxins from the body. These wastes include O2, H2O and the nitrogenous wastes which result from the breakdown of amino acids in the liver. Structure of a kidney ===================== The excretory organs of mammals are kidneys....   [tags: Papers]

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Alkali Aggregate Reaction

- ASR is one example of a more general problem known as Alkali Aggregate Reaction [AAR]. ASR is a chemical process in which alkalis, usually predominantly from the cement, combine with certain types of silica in the aggregate when moisture is present. This reaction produces an alkali-silica gel that can absorb water and expand to cause cracking and disruption of the concrete. For damaging reaction to take place the following need to be present in sufficient quantities. High alkali cement Reactive aggregate [e.g....   [tags: essays research papers]

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Electrolytes

- Electrolytes Electrolytes are liquids that conduct electricity. Most need to be dissolved into water or another solvent. Battery¡¦s have an electrolyte in them, either as a liquid or as a paste. Liquid electrolytes are used in electrolysis, electroplating, and other chemical processes. When electrolytes dissolve they release positive and negative ions. The released ions carry electric charges between electrodes, in the solution. Cations (a positively charged ion that migrates to the cathode, a negative electrode) carry positive electric charges toward the cathode....   [tags: science]

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Conclusion of Midterm

- Error Analysis In such a big lab, so many errors can occur and even one little one can ruin everything. One could have missed a procedure or done a procedure incorrectly. Another could have been using the incorrect amount of liquid or sludge. Someone could have lost a test-tube or labeled it wrong causing the results to be mixed. Using too much water in the solubility tests or not getting all measurements almost exactly accurate could be two sources of error. One big mistake could be creating a vacuum in the fractional Distillation part of the lab....   [tags: essays research papers]

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The Uses of Salt

- The Uses of Salt Mineral halite, best known as common salt, has been one of the most abundant and used minerals over the centuries. It is essential for the human diet and is an important commercial chemical. Pure salt consists of two elements, which are sodium and chlorine [chloride]. Its chemical name is sodium chloride (NaCl). “In chemistry, common salt is one of a large number of electrolytic compounds classified as salts. The compound occurs as a mineral in the form of crystals and the forms of the crystals are generally cubic and are transparent.” (Encyclopedia Americana 163) Halite (sodium chloride) comes from the Greek “halos”, meaning salt and “lithos” meaning rock, and is better...   [tags: Chemistry Salts Essays]

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Why Dog Urine Stain Lawns

- Why does dog urine stain your lawn yellow. This is a question many a dog owner would love to know the answer to in order to rectify it. There are many theories out there but most have been proven to be urban legends. (Article 1): • Only female dogs cause dog spots – Not true Female dogs squat when they urinate and therefore leave behind a large volume of concentrated urine in a small area. Some male dogs also squat and they cause the same damage. • Yellow spots are more common with certain breeds of dogs – Not true It has to do with the size of the dog more than its breed....   [tags: nitrogen, ammonia, damage]

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The Functions of the Urinary System

- ... The left kidney sits slightly higher than the right due to the position on the right side of the internal cavity of the liver, and on the apex of both kidneys sits an adrenal gland. The adrenal gland releases a number of different hormones directly into the bloodstream including aldosterone, a hormone which controls electrolyte balance within the body and the ability to control sodium levels. Electrolytes come from the food and fluids we take on board. When the fluid levels within the body change, the electrolyte levels change and this can alter the balance of the blood composition, muscle function and other system processes....   [tags: kidneys, organic substances, waste release]

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Uranium in Geobacter and Its Effects

- ... In strains which expressed pili the uranium precipitated along the conductive pili, away from the cellular envelope. Geobacter species have been successfully implemented in bioremediation techniques in multiple locations. Rifle Mill in Colorado is a uranium mill site where uranium contamination in subterranean aquifers is prevalent. In situ stimulation in Geobacter species via acetate (1 to 3 mM) which was injected over a period of 3 months yielded promising results. Within 50 days U (VI) levels “had declined below the prescribed treatment level of 0.18 micro M in some of the monitoring wells” (Lovely et al, 2003)....   [tags: insoluble, metal, groundwater, salts]

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The Drug Codeine

- The Drug Codeine We used several different sources to gather our information. We go information from Jay Moser and Sue Peterson, our two local pharmacists. We researched medical encyclopedias, journals, and magazines. Codeine is known medically as methylmorphine. It is a drug derived from opium, a poppy plant. It was discovered in 1832 by French chemist Pierre-Jean Robiquet. Codeine constitutes about 0.5 to 2.5 percent of this plant substance. The drug has been in use since the early 1900's and it shares most of the pharmacologic characteristics of morphine, the other alkaloid in opium....   [tags: essays research papers]

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Microalgae as a Live Food for Feeding of Aquatic Organisms

- The use of microalgae as a live food for feeding of aquatic organisms well documented by several researchers (Cho and et al., 1999; Zhu, et al., 1997; Luyen, et al., 2007; Rivero-Rodríguez, et al., 2007; Duerr, et al., 1998; Brown, et al., 1997). In mariculture, microalgae either directly support all growth stages of bivalves, and larval stages of crustaceans and fish or indirectly are fed to artemia or rotifers, which are then fed on to later larval/ juveniles stages of crustacean and fish larvae through providing essential nutrients and other growth promoting factors (Cho and et al., 1999).Therefore, the nutritional property of microalgae offered to feed aquatic animals is crucial especial...   [tags: microalgae, aquatic organisms, animals, ]

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Sams

- Ancient Egyptian Burial A profound belief in life after death is why burials in ancient Egypt are so elaborate. There was two different ways to artificially preserve bodies. When the Ancient Egyptians buried their dead they did not want the bodies to be washed away by the floods. They also didn’t want to use up valuable farmland for cemeteries. The dead were buried close to the villages in the higher elevated dry deserts that covered the Nile....   [tags: essays research papers fc]

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Hydrogen Peroxide

- (H2O2), a colourless liquid usually produced as aqueous solutions of various strengths, used principally for bleaching cotton and other textiles and wood pulp, in the manufacture of other chemicals, as a rocket propellant, and for cosmetic and medicinal purposes. Solutions containing more than about 8 percent hydrogen peroxide are corrosive to the skin. First recognized as a chemical compound in 1818, hydrogen peroxide is the simplest member of the class of s. Of the several processes of manufacture, the principal ones involve reactions of oxygen from the air with certain organic compounds, especially anthraquinone or isopropyl alcohol....   [tags: essays research papers]

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biology presentation for the skeleton

- Intro – slide 1 – acetate 1 The skeleton of a human foetus is formed from tough but flexible cartilage that acts as a blueprint for bone construction. During ossification ( the changing of cartilage to bone) which begins before birth, the cartilage is broken down and the resulting space is filled by bone building mineral salts and protein fibres secreted by bone cells. Humans have a bony endoskeleton made up of 206 bones, although we are born with up to 300, but many of these fuse during childhood....   [tags: essays research papers]

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Mental Health Community in the 19th Century

- Mental Health Community in the 19th Century Mental health is a relevant issue in Joseph Conrad’s Heart of Darkness. Not only is Kurtz’ mental health questionable throughout the novel, but Marlow also has to be examined by a physician, to check both his physical and mental status, before he starts on the journey to Africa. The mental health community in the late 19th and early 20th centuries was not nearly as developed as it is today, but many developments during this time period had a profound impact on the way we analyze the human psyche and mental health today....   [tags: Exploratory Essays Research Papers]

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The Heat Gained By The System

- In part one of this calorimetry experiment, the heat gained by the system, the sausage, was lost by the surroundings, the water. This relates to the 1st Law of Thermodynamics that states “energy can neither be created nor destroyed”. In parts two and three of this experiment, the heat generated by the reaction was transferred to the solution. The first the first calculation I had to perform was finding the specific heat capacity of the sausage by using the formula, m_water C_(p,water) 〖ΔT〗_water+m_sausage C_(p,sausage) 〖ΔT〗_sausage=0 that is derived from the formulas q_(water=) 〖-q〗_sausage and q=mC_p ΔT....   [tags: Thermodynamics, Heat, Energy, Enthalpy]

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Fluorine Is A Toxic, Pale Yellow Gas And The Most Of The Halogen Group

- Fluorine is a corrosive, pale yellow gas and is the smallest of the Halogen group but also the element with the highest electronegativity in the Periodic Table. With such a high electronegativity it makes fluorine the most reactive of all of the elements. The high electronegativity of fluorine is beneficial in several goods, for example; polymers, toothpastes, pesticides, cancer drugs, and antibiotics. Fluorochloro-hydrocarbons are widely used in air conditioners and refrigerators, and have been associated with the vanishing of the ozone layer (Stillinger, 1988)....   [tags: Chlorine, Sodium chloride, Iodine, Halogen]

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How Food Companies Are Spending Trillions Of Dollars On Processed Food

- Pulitzer Prize winning author, Michael Moss, talked about how food industries are spending trillions of dollars on processed food which essentially caused an increase of obesity over the past couple centuries. His #1 New York best-selling investigative report, Salt, Sugar, Fat, discusses a time when he visited the Kellogg’s company headquartered at Battle Creek, Michigan. After talking to representatives from this company about their food and how there is so much salt in their branded products....   [tags: Nutrition, Food, Taste, Flavor]

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Cells and their parts

- Cells are some of the smallest organisms around. All living things consist of cells, and yet they are invisible to the naked eye. Cells are the basic structural and functional units of life. Cells are made up of many different parts which allow them to function properly. All cells are separated from their surrounding by a cell membrane. The cell membrane regulates what enters and leaves the cell and also aids in the protection and support of the cell. A cell membrane is similar to the walls surrounding your house....   [tags: essays research papers]

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As Salt Decreases, Your Blood Pressure May Also Decrease

- As Salt Decreases, Your Blood Pressure May Also Decrease Many studies have shown the effects of salt, also known as sodium chloride, can have a toll on ones body. It can increase your blood pressure as well as cause congestive heart failure. We look at salt to provide us with many different functions in our everyday life. For instance, we use salt to give a stronger taste to food or even just because the recipe calls for it. We also use salt to convert fresh water fish tanks to salt water tanks....   [tags: Papers]

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Radioactivity

- Radioactivity Natural radioactive decay of atoms has been happening on the earth ever since it was formed, over 4000 million years ago. Radioactivity is a property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei. An unstable nucleus will decompose spontaneously, or decay, into a more stable configuration but will do so only in a few specific ways by emitting certain particles or certain forms of electromagnetic energy....   [tags: Papers]

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Schizophrenia and The Strange Case of Dr. Jekyll and Mr. Hyde

- Schizophrenia and The Strange Case of Dr. Jekyll and Mr. Hyde The name schizophrenia is derived from "schizo", which means splitting of the mind (Tsuang 11), and "phrenia" which is derived from the phrenic area which is just above the kidneys where the diaphragm is located. It is a structure innervated by the phrenic nerve. The Greeks and others assumed that the phrenic area was the seat of thought or at least feelings (Berle 12). Up to the 1600s, people with psychotic disorders were sent off in "ships of fools", locked in cages, "flogged into reason", or killed....   [tags: Strange Case of Dr. Jekyll and Mr. Hyde]

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The Human Digestive System

- ... The advantage to this reduction in food size, all along the digestive tract, is to maximise surface area and make it easier and faster for our bodies to absorb the nutrients. Mucus also in saliva keep the mouth and upper digestive tract lubricated. As we swallow food, it passes through the mouth and starts its journey down the pharynx and is worked down the oesophagus into the stomach. A small flap of skin called the epiglottis prevents the food from entering our respiratory system by covering the entrance to the larynx, so the food has to travel down the oesophagus....   [tags: food, nutrients, pharynx, oesophagus]

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Soil Salinization and Its Impact on Plants

- Humans and the environment on which we live relying on soil for plant growth, provision of water and the storage of carbon. From that point we can infer that soil is linked to everything around us and plays many significant roles in sustaining life on earth. Soil is defined as the surface of the earth’s crust. Soil degradation is defined by Environment and Heritage, a conservation body as the decline in soil quality caused by its improper use, usually for agricultural, pastural, industrial or urban purposes....   [tags: earth degradation, environmental issues]

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Testing the Performance of an Ion Chromatography Column

- Testing the Performance of an Ion Chromatography Column Ion column chromatography is used to separate both cations and anions. The separation of ions is performed by using an ion exchange resin (this lab uses an anion exchange resin which is a high molecular weight polymer). The amount of time required for certain ions to move through the column depends on the affinities of the ions. The mobile phase’s anions, sodium bicarbonate in this lab, will force the ion that’s being tested out of the column....   [tags: Papers]

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The Causes of Waterlogging from Irrigation

- ... As long as the water table remains deep, the salts, imported with the irrigation water, are washed down into the deeper soils with the percolation losses of irrigation water. If the water table becomes more shallow however, excess irrigation can no longer take place, otherwise the land would become flooded with stagnating water. At this point, salt leaching no longer occurs, and the salts brought in with the irrigation water accumulate in the waterlogged areas. A salinity problem becomes worse when irrigation losses from elsewhere are entering lower lying areas as groundwater flow....   [tags: farmland, production, crops, water]

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The Water Treatment Process

- Water treatment process overview The first step in creating a cyanobacteria-directed biodesalination apparatus is selecting a species that possesses proper metabolic and morphologic characteristics. The organism must then be genetically modified to optimize ion regulation, and light regulation of the desalination process. Cyanobacteria use photosynthesis for removal of sodium from the intracellular matrix of the bacterium. Through regulation and genetically modifying the bacteria to express halorhodopsin (Hr) this photosynthetic system can be harnessed to import chloride ions....   [tags: cyanobacteria use photosynthesis ]

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Chemical Makeup And Acid Base Reactions

- Exaction is where a solute is transfer from solvent A to solvent B (Ketcha, 47). A possible method to do this is changing the chemical makeup by using acid-base reactions (Ketcha, 42). The acid-base reactions change the solubility of the solute. If the original solute is ionic and is dissolvable is solvent A but not B, then adding the acid HCl would change the solute to its conjugate acid. The resulting acid would then be soluble in B but not A. To revert the change, just add the base NaOH to the solution....   [tags: Solvent, Solubility, Chemistry, Solution]

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Cardiovascular Disease ( Heart )

- Being brought up in a Mexican household, I grew up eating a lot of food that was high in carbs, salts and saturated fats such as red meats, rice and tortillas. Living in a small ranch you are only constricted to eating what your grandma or mom make for you. Hence being Mexican means that there is no meal eaten without tortillas. So it’s a given that with such delicious food there is always consequences such as health risks. Cardiovascular disease (heart disease) is one the main hereditary disease that run in my family....   [tags: Heart, Myocardial infarction, Hypertension]

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Water Is A Good Solvent And Picks Up Impurities Easily

- Water is a good solvent and picks up impurities easily. Pure water -- tasteless, colourless, and odourless -- is often called the universal solvent. Dissolved solids" refer to any minerals, salts, metals, cations or anions dissolved in water. Total dissolved solids (TDS) comprise inorganic salts (principally calcium, magnesium, potassium, sodium, bicarbonates, chlorides, and sulphates) and some small amounts of organic matter that are dissolved in water. TDS in drinking-water originate from natural sources, sewage, urban run-off, industrial wastewater, and chemicals used in the water treatment process, and the nature of the piping or hardware used to convey the water, i.e., the plumbing....   [tags: Water, Water pollution, Total dissolved solids]

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The Effects of Recreational Drugs on the Body: The Bath Salts

- ... Khat That is found in the East African countries and Middle East, it is an organic stimulant. Since the 1920’s bouncing around in the laboratories was mephedrone, since the 1960’s methylenedioxypyrovalerone has been in laboratories. So even though these drugs are not new the recreational use of them is new. Researchers are thinking the two main problems of bath salt are not being addicted to it but sleep deprivation which causes elevated stress hormone levels, depression, and psychosis, and the second being the dosage form there is no dosage so people just buy a bag and take it and then their brain says like it got to have it so they take more....   [tags: violent behavior, nausea, delusions, vomiting]

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How the Human Body Obtains Cholesterol

- According to the scientific report from Gunness and Gidley (2010), the human body obtains cholesterol from two sources. The major source is liver. Liver synthesizes about 700-900 mg cholesterol per day. Another source is diet, which account for up to 300-500 mg/d. The major route cholesterol eliminates from human body is to convert to bile salts (BS) and excrete from the gastrointestinal tract (Gunness & Gidley, 2010). Bile salts (BS) are synthesized from cholesterol in the liver. Hydroxyl (OH) groups are inserted at several points of cholesterol, and then the second ring of cholesterol loses its double-bond....   [tags: liver, diet, metabolism]

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The Restoration Plan of Beaver Creak

- I. Project Summary Students at Arcadia University are requesting a grant in order to restore the two streams on campus: Beaver Creek and Tookany Creek. Their objectives are to reduce the pollution and to prevent runoff as well as to restore and conserve the quality of the two streams. The students collected some data and saw small increases in nitrate and chlorine levels in the soil and water. Even though the concentrations of nitrate and chlorine are small, if not dealt with, the concentrations of both nitrate and chlorine will increase and cause many negative effects to the organisms living in the streams as well as the organisms that depend on the stream as a water source....   [tags: reduce pollution, planting, native vegetation]

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Which Type of Salt will Increase the Boiling Point of Water the Most?

- The researcher conducting this experiment is trying to find out which salt- Epsom, table salt, and sea salt- will increase the boiling point of water the most. Sodium chloride is believed to increase the boiling point of water because when salt is suspended into the water, the sodium and chlorine ions leave the “salt crystals” and mix with the water molecules. (“Why does salt… raise boiling point of water?”, 2009). People discovered salt around 900 B.C. They would dig up salt near the Dead Sea and in South America....   [tags: boiling point, science, experiements, ]

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Zombies: Face-Eating Cannibal Attack

- Brains. Must have brains. There are a lot of far-fetched scenes that horror movies have filled in our heads over the years. Many elements of fiction have created varying degrees of panic, more so since the emergence of the false “Based on a True Story” label. There is one terrifying creature once thought to be fictitious that has recently gained popularity in the media as well as news channels around the world. A situation that would have negative global effects far worse than any other natural disaster previously experienced....   [tags: horror movie, fiction, biology, neurology, fear]

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The Cleansing Properties of Cow Urine

- According to Hindu thought Pavithra Jal is Holy water which purifies the mind and body. Panchagavya or the five products from the cow- urine, dung, milk, curd and ghee, used in ayurveda, and Hindu rituals- are believed to have cleansing properties, much like the waters of the Holy Ganges, Lake Pushkar or the Mahamgam Pond.However skeptics may have reservations about the purity and efficacy of the Panchagavya.. Further modern distillation methods to extract the active principle in a bioactive form may help alleviate the queasiness associated with consuming cow urine....   [tags: Pavithra Jal]

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A Mixture Of Three Substances ( Benzoic Acid

- In this experiment, a mixture of three substances (benzoic acid, 2-naphthol, and 1-4 dimethoxybenzene) will be separated based off acidity strength using the liquid-liquid extraction technique through a separatory funnel. Benzoic acid and 2-napthol will be converted into ionic salts when reacting with their appropriate bases (sodium bicarbonate and sodium hydroxide). Both ionic salts will then form solids through the addition of acidic HCl. Neutral 1,4 – dimethoxybenzene forms a solid through the evaporation of ether....   [tags: Acid, Water, Sodium chloride, Chemistry]

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Ecological Integrity At Risk for the Cadron Creek Watershed in Arkansas

- ... al 2008). Headwater streams are a major component of river networks and are composed of small swales, creeks, and streams, which form the building blocks for large river and lakes. Headwater streams are very influential on the overall health of aquatic ecosystems, because they provide nutrients downstream, filter pollutants, and contain specialized habitat for both migrant and resident species (Meyer 2007). Despite their ecological importance, headwater streams are often purposefully ignored or omitted from the Clean Water Act, because of the numerous streams that dot the landscape, irregular hydrologic flow periods, and the fact that small headwater streams do not directly make up direc...   [tags: resource, pollutants, natural gas]

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Home Remedies for Rheumatism

- Home Remedies for Rheumatism Rheumatism is a medical term which is associated with the pain in connective joints and tissues. The name is derived from the Greek word ‘rheuma’ which literally means swelling. And most often it is associated with arthritis and rheumatic fever. Nonetheless, it can be also associated with symptoms of many conditions that may cause severe or mild pain and weakness. Causes of Rheumatism Many physiological factors can cause rheumatism. However, there is no scientific prove that considers mental stress to be sole responsible for rheumatism....   [tags: Health]

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Comparing Local Tap Water to Surrounding Towns

- Comparing Local Tap Water to Surrounding Towns I tried to figure out how does the Wellesley tap water compare to the water of the surrounding towns. Before I started my test's I guessed which town would have the best quality water without any initial data. I thought that Wellesley tap water would be the cleanest water in the area because Wellesley has the resources and the money to keep its water at a high quality. The objective of this project is to determine water content in various drinking water supplies and then rate then from most favorable to least favorable....   [tags: Papers]

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Which Hydrated Salts is Best at Providing Water

- Aim:The aim of this investigation is to find which of the hydrated salts is best at providing water and to justify the choice made. Key factors: * The variable that I will change will be the salt that I use in my experiment * The variable that will change will be the weight of salt after hydration and the amount of water lost when each salt is heated. Other factors: * Not over heating salt: I should not over heat the salt as it may start to decompose the salt....   [tags: Lab Report]

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Digestive Enzymes And How They Work, And Under Which Conditions They Function Best

- The digestion lab experiment was conducted for the purpose of understanding digestive enzymes and how they work, and under which conditions they function best. Digestive enzymes are present in the body’s gastrointestinal system and mainly function to break down food into nutrients to be absorbed by the body (Oxford Journal, “The Effect of Enzymes on Digestion). The organs that secrete and/or make use of these digestive enzymes are the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, and gallbladder....   [tags: Digestion, Stomach, Pancreas, Digestive system]

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The Causes of Gallbladder Attacks

- The Causes of Gallbladder Attacks Outline I. Introduction: It is estimated that approxiamately 10 to 20 percent of the population in the United States and Western Europe are currently being affected by Gallbladder attacks. Thesis statement: These attacks are mainly caused by the development of gallstones in the gallbladder. II. Definition. A.     Gallbladder B.     Gallstones III. Causes. A.     Obesity B.     Estrogen C.     Ethnicity D.     Age and gender IV. Symptoms. A.     Chronic indigestion B.     Sudden, steady and moderate-to- intense pain in your upper abdomen C.     Nausea and vomiting V....   [tags: essays research papers fc]

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causes of life

- For biologists, x-ray crystallography has always been a tricky technology. Harder than getting a good beam was growing large crystals of biological molecules-a task that's been compared to building regular structures from wiggly bits of Jello. Today, synchrotron light from facilities such as Berkeley Lab's Advanced Light Source may make it possible to use protein crystals as small as 50 microns (50 millionths of a meter) in length. The crystals themselves may also become easier to grow, thanks to a unique robotic system designed and built by Joseph Jaklevic, head of Engineering Sciences, and his colleagues in the Engineering Division's Bioinstrumentation Department....   [tags: essays research papers]

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Comparing the Solubility's of Copper Sulphate, Sodium Chloride and Potassium Nitrate

- Comparing the Solubility's of Copper Sulphate, Sodium Chloride and Potassium Nitrate Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Background Information Molecular solids (sugar) and ionic solids (salts) both dissolve in water. However, they both dissolve in different ways. The intermolecular forces holding molecules of sugar together are relatively weak so when sugar is placed in water these bonds are broken and individual C12H22O11 molecules are released into solution....   [tags: Papers]

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Should it be legal to buy kidneys?

- The kidneys filters your blood. They are an important part of our body. However, if both are damaged, the kidneys will require replacement. Which leads to the problem of today’s world, where there are not enough kidney donations, therefore increasing amounts of deaths caused by kidney failure. This can be treated by kidney transplants or dialysis, but due to the costings, and few donators, this problem cannot be solved solidly. Although there are kidney trades, it is illegal; hence it will not be beneficial to the majority of the population....   [tags: Economic Benefits, Sterile Solution]

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Is The Nano Filtration Method?

- It is extensively recognized that worldwide water supplies flounder, and consequently wastewater becomes priceless as a possible basis of sustainable drinking water source. As the first periods, this main possible resources of water (industrial wastewater) have been truly believed to be considered as rubbish and were generally thrown away and not utilized or used in any way. As a water basis. Most water is utilized for irrigation (above 70%) and humans managed to use it for drinking and washing....   [tags: Water, Oxygen, Acetic acid, Carboxylic acid]

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Oceanic Exploration And Research Were Encouraged

- If oceanic exploration and research were encouraged, then the world would gain more knowledge of the natural world, gain more resources, and improve the ocean’s quality. Oceanic exploration will give the United States more knowledge of the natural world and the species that live in it. Many people believe that we know plenty about the ocean and creatures that abide in it. Although, that is obviously not true when 91% of the marine species have not been discovered (Conathon). Such a small percentage is known because many of them live in the deepest parts of the ocean....   [tags: Ocean, Marine biology, Global warming, Fish]

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Effects of Bath Salts on the Human Body

- What are bath salts. What are all the effects of bath salts on a human body. When it comes to bath salts people may not know what bath salts are. Bath salts is a drug that does lots of harm to your body. Bath salts is a very dangerous drug that can lead to death. No matter how you use Bath Salts, it will find a way to effect your body in many ways. Although, there isn't much information since the drug is new to the drug industry there is not yet, know what's in the drug completely. People and doctors can already tell that the ingredients are very dangerous....   [tags: new drug, amphetamine, synthetic stimulant]

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The Concentration Of Nitrate Acid

- Before the 6M HNO3 was added into the precipitates, the supernatant was removed. Because the supernatant could be a truly strong basic which would neutralize the nitrate acid, such as, 3M and 19M NaOH. It also can be some solution which could react with acid, such as, Na2CO3. For this specific case, some gas could be evolved, which would disturb the observation. Because of reactions, the concentration of nitrate acid would decrease. Even though nothing was in the supernatant can react with nitrate acid, the nitrate acid would still be diluted by supernatant....   [tags: Solubility, Ammonia, Precipitation, Concentration]

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Studies on Plant Responses to Multiple Stresses

- ... However, two lines of research suggest that plants also have a centralized system of stress response that enables them to respond to any physiological stress, regardless of the nature of that stress. Traits common to plants in low-resource environments so central feature of plants adapted to low-resource environments is that they grow slowly, even when provided with an optimal supply and balance of resources. This slow growth is seen in plants that are adapted to infertile soils (Chapin 1980, Clarkson 1985), dry or saline environments, or deep shade (Grime 1977, Parsons 1968)....   [tags: natural conditions, nutrients]

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Desert Soils And The City Of Hesperia

- Having moved from the city of Los Angeles to the city of Hesperia, there were many changes I needed to get use to. One of those major changes was the change of scenery from green front lawns to bare dirt. Hesperia is only an hour and a half northeast of Los Angeles, yet the environment in Hesperia made it seem like I moved to another state. I could not understand why in Hesperia people did not grass in their properties, or fruit trees. I soon found out in school that Hesperia had arid soils, which are actually the most prevalent soils in the world....   [tags: Precipitation, Water, Desert, Rain]

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What Are Unhealthy Dieting Practices

- Unhealthy dieting practices can lead to a number of chronic diseases including but not limited to diabetes, cholesterol, and cardiovascular disease. Because these diseases are chronic, they remain in a person’s system for the entire duration of their lives. Long-term effects of harmful substances can complicate the normal functioning of the gastrointestinal tract and may cause colorectal cancer. The Centers for Disease Control and Prevention state that colorectal cancer is the third leading cause of cancer-related deaths in both men and women in the United States....   [tags: Digestion, Digestive system, Stomach]

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Pancreas

- Pancreas Name and Functions The part I researched, which has only one name, is the pancreas. The pancreas is an organ that produces digestive juices necessary to break down food. It also produces insulin and glucagons. Insulin and glucagons are two hormones needed to break down sugar and to regulate our metabolism. The pancreas provides a lot of power to the body. For example, it allows you to eat many foods and allows your body to feed your cells the energy they need. It also allows you to exercise without decreasing your blood sugar....   [tags: science]

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Elaeagnus Angustifolia and Tamarix Ramossisima

- Elaeagnus Angustifolia and Tamarix Ramossisima Introduction The topic that is going to be discussed is the Russian olive (Elaeagnus angustifolia) and the Salt cedar (Tamarix ramossisima). Both of these species are noxious weeds that are also non-native plants that were brought over from Europe. Both of these subjects history, where they originated, and where they occupy will be covered. Also both of their economic advantages as well as their disadvantages will also be discussed. Salt Cedar The salt cedar is believed to have originated from southern Europe, the Mediterranean region, the Middle East, and Africa....   [tags: Agriculture Plants Environment Essays Papers]

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The Six Major Processes Involved During Gastrointestinal Activity

- Identify and describe the six major processes involved in gastrointestinal activity. The six major processes involved in gastrointestinal activity include: ingestion (substance enter the oral cavity of the digestive track), mechanical processing (mastication consist of chewing/breaking down the substance and peristalsis consisting of involuntary contraction that assist the movement of food through the esophagus and intestinal tracts), digestion (chemical break down of substance into smaller fragments appropriate in absorption via the digestive epithelium), secretion (releasing of acids, buffers, water, enzymes, and salts from the glandular organs and epithelium of the digestive tract), absor...   [tags: Digestion, Stomach, Small intestine, Pancreas]

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Uses and Advantages of Citric Acid

- An acid is a substance that produces H+ to form a solution that has a pH <7. It turns litmus paper red. It reacts with bases to form a salt and water. A weak acid is an acid that dissociates incompletely, releasing only some of its protons(H+). A strong acid is an acid that fully dissociates incompletely, releasing only some of its protons(H+). A base is a substance that can accept (H+) and releases(OH-) to form a solution that has a pH>7. It turns litmus paper blue. It reacts with acids to form a salt and water....   [tags: Acid, Base, Chemistry]

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