Rates of Reaction Reactions Reactions can only occur when two different particles come together. The theory for the way the reaction occurs is called The Collision Theory. The collision theory states that that the different particles need to collide with each other in order to react. However, they do not react if they collide without sufficient energy, and therefore the more energy a particle has, the more likely it is to react. The activation energy is the minimum amount of energy
Reactions to Hooks’ Feminism is for Everybody I am not a feminist simply because I was raised in a feminist household. I am not a feminist because I am an independent, educated woman. I am not a feminist because I am a bitter female, nor because I am a “woman scorned.” I am not a feminist because I hate men, nor because I am a lesbian nor because I like to listen to the Indigo Girls. To the contrary I love men and I am not a lesbian. While I agree with hooks that “feminism is a movement to end
Rate of Reaction Aim: To find out how different concentrations change the rate of reaction Theory: In this experiment the collision theory is in use. It means that when the concentrates solutions of hydrochloric acid is use, more particles are found in the same space, which means they are more likely to collide with each other. the more the concentrated the solution, the more of the collisions with the particles, which increases the rate of reaction. Prediction: As the concentration
Introduction: Many vital chemical reactions do not naturally happen at fast enough rates to maintain life. Enzymes are a type of protein that speed up these reactions because they are catalytic, meaning they increase the rate of the reaction without being consumed by it (Freeman, 2014, p. 54). In 1894, Emil Fischer proposed the “lock-and-key” method in order to explain how enzymes work. As the name suggests, the enzyme represents the lock as the substrate represents the key. A substrate is the
the speed of the rate of reaction when reacting with Magnesium Ribbon. I want to find out whether the strength of Hydrochloric acid will affect the speed of the rate of reaction when reacting with Magnesium Ribbon. Variables There are two important independent variables in my investigation the first of which is the concentration of the Hydrochloric Acid used during the investigation. The concentration of the acid will partly determine how fast the reaction takes place, if we put some
Introduction Elimination reactions are one of many different types of reactions, yet elimination reactions are one of the most common practices to create carbon-carbon π-bonds. Dehydrohalogenation is an example of functional group transformation. In the case of alkyl halides they are transformed into alkenes through dehydrohalogenation (1). The general mechanism for dehydrohalogenation elimination reactions when a strong base is used can be written as: RCHCH_2-X+B:^- → RCH=CH_2+B-H+X:^- [INSERT
the reaction between Hydrochloric acid and Calcium Carbonate Introduction Hydrochloric acid + Calcium Carbonate Calcium Chloride + Carbon Dioxide + Water 2HCl(aq) + CaCO3(s) CaCl2(aq) + CO2(g) + H20(l) In this experiment we will be investigating the variables that can affect the speed of reaction between hydrochloric acid and calcium carbonate. During this experiment carbon dioxide is produced. This is what we are going to use to record the speed of reaction, for the faster the reaction the
Title of experiment: The Sandmeyer Reaction: 2-iodobenzoic Acid Aim: • To carry out the sandmeyer reaction. • To calculate the % yield • To isolate and purify the solution Introduction: The Sandmeyer reaction is a versatile means of replacing the amine group of a primary aromatic amine with a number of different substituents. The diazonium salt is formed by the reaction of nitrous acid with the amine in acid solution. Nitrous acid is not stable and must be prepared in situ; in strong acid it dissociates
A chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. Chemical reactions are a very important part of technology and life itself. Burning fuels, making glass, brewing beer or even making wine are among the great handful of examples of things
Neutralisation Reaction Apparatus: The apparatus that I will be using in this experiment will be: * A Burette * A Clamp and Stand * 2x 50ml Beakers * A Conical Flask * A Measuring Cylinder * A Thermometer * Universal Indicator * 25ml Hydrochloric Acid * 25ml Sodium Hydroxide Method/Plan of the experiment: First of all, I will set up the apparatus as the diagram shows: Then, I will measure out the acid and alkali using the measuring cylinder. Once I have done
Investigation looking At the Speed of Reactions Introduction The aim of this experiment is to find out how a variable can affect the results from a scenario set up in scientific environment. The experiment is to see how a certain variable will affect the amount of Gas produced from a Calcium Carbonate and Hydrochloric Acid Reaction. The Science Calcium Carbonate is a generally white or colourless mineral that is translucent. When compressed or exposed to great heat the mineral binds together
Characters' Reactions to Death in Riders to the Sea In "Riders to the Sea" several reactions to the death of Michael take place when each of the individual characters learn of the tragedy and express their grief. The first, which would most naturally occur, is for someone to become extremely pessimistic. The character Mauyra most obviously becomes pessimistic even while she is still not sure of the fate of her son. Even the idea of Bartley leaving to sell the horses makes her nervous, she’s
Rate of Reaction Coursework Aim: To investigate how temperature affects rate of reaction. Introduction: I am going to investigate how temperature affects the rate of reaction of hydrochloric acid with calcium carbonate. This is the reaction that will take place: Hydrochloric acid + Calcium Carbonate è Calcium Carbonate + Water + Carbon Dioxide The rate of reaction can be measured in various different ways: * Using a balance you can check the mass before the reaction and then after the reaction
Investigating Rates of Reactions My aim is to investigate what factors affect the rate of reaction between magnesium and hydrochloric acid. The factor that I will be focusing on is the concentration of Hydrochloric acid. [IMAGE]Reaction Equation: Mg (s) +2HCl (aq) = MgCl2 (aq) +H2 (g) Magnesium + Hydrochloric Acid = Magnesium Chloride + Hydrogen There are several different variables you can such as temperature, concentration; surface area and whether or not to use a catalyst or not
Displacement Reaction The aim of my experiment is to find out what happens to the heat of the zinc and copper sulphate solution when one of the variables is changed. Key variables: § amount of copper sulphate solution § amount of zinc I am going to investigate what happens to the temperature of the zinc and copper sulphate solution as the amount of zinc is increased. The equation to show this reaction is: Zn + CuSO4 ® ZnSO4 + Cu The enthalpy change for the reaction is: ²H
Reactions to Oppression in Jamaica and South Africa "Bob Marley said How long shall they kill our prophets While we stand aside and look Little did he know that eventually The enemy will stand aside and look While we slash and kill our own brothers Knowing that already they are the victims of the situation" Lucky Dube, Victims Lucky Dube is a reggae artist from South Africa singing in a fight against oppression in his country. Like Jamaica, South Africa has been oppressed
"We are a peculiar people," Elder Bruce R. McConkie once said (McConkie 25). The Church of Jesus Christ of Latter-day Saints is one of a few "odd" Christian religions. Many of its practices have created much persecution and political reaction, polygamy being one of these. It created much social and political persecution of the Mormons. Most of this persecution had come from anti-polygamist Christians. This is ironic because the anti-polygamists believed in the Bible, but not polygamy, one of its
Classes of Chemical Reactions Whenever a reaction takes place, energy is changed as well when the substances react chemically. Scientists have taken these changes in energy and generalized them. Scientists can take these generalizations and discover more about the nature and tendencies of matter. In this lab, the purpose was to perform seven reactions, write down their equations, and identify the type of reaction. In this lab report, several methods of displaying this information will be applied
RATES OF CHEMICAL REACTIONS REACTION ORDER FOR IODATE ION OBJECTIVE: To determine the order of a KIO3-NaHSO3 reaction with respect to the iodate ion. To determine a difference on the rate of the reaction when the solution is 10oC higher than a room temperature. BACKGROUND: The rate of a chemical reaction is the speed at which reactants are converted to products. Some reactions are very fast and
investigated what would happen if certain solids and liquids were mixed together, and whether or not it produced a chemical reaction. To use in our investigation we had baking soda (sodium bicarbonate), calcium chloride, water, and phenol red. I hypothesized that if we combined these solids and liquids in different ways, then they would sometimes produce chemical reactions because the substances had chemical properties that would make them prone to react with one another. For example, baking soda