• Effect of Changes in Substrate Concentration on the Reaction Rate of an Enzyme
    Effect of changes in substrate concentration on the reaction rate of an enzyme IB biology Internal Assessment 3/23/12 Research Question: Effect of changes in substrate concentration amount on the reaction rate of an enzyme Introduction: In this experiment, the substrate is hydrogen perox
    Premium 1163 Words 5 Pages
  • how reaction rate varies with sodium thiosulphate
    How reaction rate varies with sodium thiosulphate concentration Background information Sodium thiosulphate and hydrochloric acid are both colourless liquids, when the two reactants are reacted together they produce sulphur. The sulphur that is produced from the reaction changes the...
    Premium 2889 Words 12 Pages
  • Effect of an Increasing Substrate Concentration on Enzyme Activity Rate
    Hui Tzu(Erin) Wang ID:0720052 Effect of an Increasing Substrate Concentration on Enzyme Activity Rate Abstract The reaction rate of an enzyme can be affected by many factors, and the purpose of this experiment was to find out how an increasing s
    Premium 1007 Words 5 Pages
  • Investigating the Rate of Reaction Between Peroxydisulphate (Vi) Ions and Iodide Ions
    Aims The aims of this investigation are: 1. To find the rate equation of the reaction of hydrogen peroxide and iodide ions. This will be achieved by using an iodine clock method and colorimetric analysis. 2. Draw a graph of rate against concentration for each reactant (Hydrogen peroxide, potassi
    Premium 1987 Words 8 Pages
  • The Effect of Enzyme Concentration on Rate of Reaction
    OBJECTIVE: The experiment was carried out to investigate the effects of the increase in the enzyme concentration on the rate of reaction. By using self investigative and experimental skills, the experiment was done in order to determine how the rate of reaction will be altered, whether it will in
    Premium 2632 Words 11 Pages
  • How Does the Concentration of the Sodium Thiosulfate Affect the Rate of Reaction to Hydrochloric Acid?
    Investigation How does the concentration of the sodium thiosulfate affect the rate of reaction to hydrochloric acid? contents page 1: contents, aim, prediction, equation, diagram page 2: equipment, preliminary experiments page 3: page 4: page 5: page 6: page 7: page 8: Aim:
    Premium 3108 Words 13 Pages
  • The Effect of Catalase Concentration on Rate of Reaction
    Abstract The following experiment details the effect of different concentrations of catalase on the production of oxygen and water through the breakdown of Hydrogen Peroxide. In this experiment paper disc where coated in varying concentrations of catalase, 0, 25, 50 75 and 100%. The time taken for
    Premium 6737 Words 27 Pages
  • 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
    Premium 3650 Words 15 Pages
  • Science Rate of Reaction
    CONTENTS Background Science......................................................................................................................... Page 3, 4 Introduction/Aim……………………………………………………………………………………………... Page 5 Wh
    Premium 3216 Words 13 Pages
  • How Enzyme Concentration Can Affect Rate of Reaction
    How Enzyme Concentration can Affect Rate of Reaction The purpose of this investigation was to see how the concentration of an enzyme affected the rate at which a substance was broken down. We did this by using a white protein called casein. Casein is found in milk powder, it is a protein and used
    Premium 857 Words 4 Pages
  • Reaction Order and Rate Law
    Reaction Order and Rate Law Name Data, Calculations, and Questions A. Calculate the initial and final concentrations as needed to complete Tables 1 and 2. Data Table 1: Varying the Concentration of 1.0 M HCl | | | | |Concentratio
    Premium 459 Words 2 Pages
  • Enzyme concentration affects the rate of reaction
    Hypothesis: I hypothesis that the enzyme concentration will affect the rate of reaction but only up until a certain point because there is a limited supply of substrate. Enzymes are protein molecule that acts as biological catalyst by increasing the rate of reactions without changing the...
    Premium 865 Words 4 Pages
  • 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
    Premium 1034 Words 5 Pages
  • Enzyme Reaction of Different Yeast Substances
    Title: Enzyme Reaction of Different Yeast Substances Introduction: In this lab, my group was able to learn and understand the process of cellular respiration. Our goal in this lab was to find out which solution reacted most with the enzymes in the yeast. The effects of inhibitors on enzymes and
    Premium 1043 Words 5 Pages
  • Temperature on Rate of Pnpp Hydrolysis
    LABORATORY 3 The Effect of Temperature on the Rate of PNPP Hydrolysis Partners: Shelby Cruickshanks Alexis Williamson Introduction Most of the chemical reactions, which occur throughout our bodies, would proceed at a much slower rate of reaction without the presence of an enzyme. Cells
    Premium 1524 Words 7 Pages
  • Determination of the Activation Energy of an Enzyme Catalysed Reaction
    Determination of the activation energy of an enzyme catalysed reaction Introduction In this practical the aim for this experiment was to find out the catalytic power of alkaline phosphate, as well as the rate of reaction and the activation energy of p-nitrophenol phosphate. Enzymes are biolog
    Premium 953 Words 4 Pages
  • Rates of Reaction
    HOW THE CONCENTRATION OF 2HCl AFFECTS THE RATE OF REACTION Aim: In this investigation we are trying to find out whether the effect of changing either temperature or concentration on the rate of a chemical reaction using a gas collection method speeds up the rate of reaction. Magnesium + Hydroc
    Premium 3292 Words 14 Pages
  • Iodine-Clock Reaction
    CHEMICAL KINETICS: IODINE-CLOCK REACTION DATE SUBMITTED: 14 DECEMBER 2012 DATE PERFORMED: 7 DECEMBER 2012 ABSTRACT Chemical kinetics involving reaction rates and mechanisms is an essential part of our daily life in the modern world. It helps us understand whether particular reactions are favo
    Premium 2660 Words 11 Pages
  • Factors Affecting the Rate of Catalase Activity
    Factors affecting the rate of catalase activity The extent at which environmental factors affect the rate of catalase activity was discovered in this lab. The assay system, in which a filter paper disc was dipped into the enzyme and submerged using a stirring rod in a test tube filled with 20mL
    Premium 3090 Words 13 Pages
  • Iodine Clock Reaction
    Kinetics of the Harcourt-Essen Reaction Name: Manpreet Kaur Candidate Number: 7123 AS and A2 Aims: AS AIMS: 1. Investigate the effect of temperature on the rate of reaction. For this aim 3 sets of results will b
    Premium 5803 Words 24 Pages