• The Effect of Temperature on Rate of Reaction
    The effect of temperature on a reaction rate In this experiment I shall be investigating how temperature affects the rate of reaction Rates of reaction The Factors that affect the rate of reaction are temperature, surface area, concentration, catalysts, light and pressure Surface area...
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  • Investigating Factors That Affect the Rate of Reaction of the Decomposition of Hydrogen Peroxide
    Investigating Factors that Affect the Rate of Reaction of the Decomposition of Hydrogen Peroxide Emilio Lanza Introduction- In this experiment, the rate of reaction, calculated in kPa sec-1, of the decomposition of hydrogen peroxide will be investigated to see how the change in concentration...
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  • The Effects of Substrate Concentration, Reaction Time and Enzyme Concentration on Enzyme Reactions
    The Effects of Substrate Concentration, Reaction Time and Enzyme Concentration on Enzyme Reactions Corey von Ellm-St. Croix Rachael Kwan ID#: 20427841 Matthew Hrycyshyn & Saeideh Mayanloo Biol 130L, Section 017 Wednesday, 9:30am-12:20pm, 151 November 09, 2011 A living system controls...
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  • Nacl Affects on Enzymatic Reaction
    The Effects that 1%, 4%, and 16% Sodium Chloride (NaCl) Concentration Had on the Rate of Reaction of Catecholase Enzymes in a Potato (Solanum tuberosum). Abstract Enzymes are a key component of a cell. They make chemical reactions happen faster because they lower the activation energy to make t...
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  • Chemistry, Rate of Reaction
    Factors Affecting Rates of Reaction Thanks to Michelle Craig Manitoba Curriculum Chemistry Grade 12; Kinetics, Topic 3-08 Objectives To design short experiments to investigate and explain qualitatively using collision theory the relationship between reaction rate and temperature, concentr...
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  • How a Faster Pulse Rate After Exercise Affects the Amount of Carbon Dioxide in Breath and How Males and Females Pulse Rates Change or Don't After Exercise
    How a faster pulse rate after exercise affects the amount of carbon dioxide in breath and how males and females pulse rates change or don’t after exercise Introduction There is a chemical reaction that takes place in this lab, O2 + C6H12O6 –> H2O + CO2 + ATP. This represents cellular respir...
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  • An Investigation in to the Rate of Reaction
    An investigation in to the rate of reaction Plan: I am going to investigate the rate of reaction. The reaction I will be using is: Calcium Carbonate + Hydrochloric acid ---- Calcium Chloride + water + carbon dioxide. CaCO3 + 2HCl ---- CaCl +H2O + CO2 Measurements and Variables: The variab...
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  • Factors Affecting Rate of a Reaction, Chemistry Design Lab
    Chemistry Lab Report (Design) Factors affecting Rates of a Reaction (Kinetics) KINETICS DESIGN LAB Research Question: Does the concentration of Potassium Iodide (KI) affect the rate of its reaction with hydrogen peroxide (H2O2) (of a fixed concentration)? Introduction: There are...
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  • Rate of Reaction - Chemistry
    reaction rates and concentration (research paper) By katie prestage what are reaction rates? The rate of reaction is the speed in which a reaction takes place. This can be measured by the rate in which a reactant is used up, or the rate a product is created. If a reaction has a low rate, it mea...
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  • Iodine Clock Reaction: Concentration Effect
    EFFECT OF CONCENTRATION ON REACTION RATE The aim of this experiment is to find the effect of varying the concentration of iodide ions on the rate of reaction between hydrogen peroxide and an acidified solution of potassium iodide: H2O2(aq) + 2H+(aq) + 2I⁻ → 2H2O(l) + I2(aq) The course of this...
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  • Investigating the Factors Affecting the Rate of a Chemical Reaction.
    Investigating the factors affecting the rate of a chemical reaction. Introduction: In my coursework I will be mainly concentrating on the reaction between dilute hydrochloric acid with marble chips (calcium carbonate). Calcium carbonate (marble chips) + hydrochloric acid ==> calcium chloride +...
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  • Rate of Reaction Chemicals
    Rate of Reaction Aim My aim for this experiment is to find the rate of reaction of the following chemicals shown below in the equation furthermore I will use different concentrations of Hydrochloric acid. I will time the rates and record them, plotting them onto a graph showing the line of best...
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  • To Try to See If the Temperature Affects the Rate in Which Amylase Breaks Down Starch Into Maltose.
    Science investigation Aim: To try to see if the temperature affects the rate in which Amylase breaks down starch into maltose. In this reaction starch is the substrate and maltose is the product. Amylase is an enzyme, Enzymes, also called catalysts, are in living things and there are thousand of...
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  • Rate of Reaction
    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...
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  • Rate of Reaction
    Investigating Rate of Reaction between Iodide ions and Peroxodisulphate ions with respect to Temperature and use of a Catalyst Introduction The aim of this experiment was to investigate the affect of the use of a catalyst and temperature on the rate of reaction while keeping all the other fa...
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  • To Observe the Effect of Temperature on the Rate of the Iodine Clock Reaction Using Ammonium Persulfate
    Aim: To observe the effect of temperature on the rate of the iodine clock reaction using ammonium persulfate Assessment criteria: Design Variables: Table 1.1: List of dependent and independent variables. S.No | Dependent variables | Independent variables | Controlled variables | 1. |...
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  • Varying Effects of Enzyme Concentration on Reaction Rates of Malate Dehydrogenase
    VARYING EFFECTS OF ENZYME CONCENTRATION ON REACTION RATES OF MALATE DEHYDROGENASE CELL BIOLOGY 13 NOVEMBER 2007 Enzymes are biological catalysts. They are proteins that speed up reactions with low concentrations. T...
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  • Rate of Reaction
    Aim: To determine the effect of altering concentration (mol dm-3) of hydrochloric acid (HCl) on the rate of reaction (mol dm-3 s-1) for the following chemical reaction: CaCO3(s) + HCl(aq) CaCl2(s) + H2O(l) + CO2(g) Research question: How does altering concentration (mol dm-3) of hydrochloric aci...
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  • Science Rate of Reaction
    CONTENTS Background Science......................................................................................................................... Page 3, 4 Introduction/Aim……………………………………………………………………………………………... Page 5 Wh...
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  • How Does the Temperature Affect the Rate of Reaction?
    Biology coursework How does the temperature affect the rate of reaction? Introduction For our experiments, I was investigating what affects the rate of reaction. We used Hydrogen peroxide to test the rate of reaction, with the temperature of this being our variable that we changed. Hydrogen p...
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