Reaction Rates Worksheet Answers

Reaction Rates Worksheet Answers This worksheet is designed to accompany chapter 14 in Chemistry Given the following energy diagram for a 3 step reaction answer the questions below Use your graph to determine the instantaneous reaction rate at 250 ms Given that the reaction is first order in NO and in O 3 determine the rate constant using your calculated

1 A chemist wishes to determine the rate of reaction of zinc with hydrochloric acid The equation for the reaction is Zn s 2HCl aq o H2 g ZnCl2 aq A piece of zinc is dropped into 1 00 L of 0 100 M HCl and the following data were obtained Time Mass of Zinc 0 s 4 s 8 s 12 s 16 s 20 s 0 016 g The reaction rate will approximately double 20 C to 30 C the reaction rate increases by about 2 1 2 20 C to 70 C the reaction rate increases by about 2 5 32 fold A plot of reaction rate versus temperature will give an exponential increase rate 2 T 10

Reaction Rates Worksheet Answers

Reaction Rates Worksheet Answers
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Microsoft Word ws8s09key doc CH302 Worksheet 15 on Kinetics Answer Key 1 What factors determine the rate of a reaction How does each of them affect the rate Answer Rate xAe Ea RT Shown in this equation the factors affecting rate of reaction are concentration and order of reactants and products x which increases as rate Q4 Experimentally Determining the Rate Law Determine the rate law and value of k k for th e following reaction at 800 oC in a closed vessel Remember how concentration is related to pressure within the Ideal Gas law 2H2 g 2NO g 2H2O g N2 g 2 H 2 g 2 NO g 2 H 2 O g N 2 g Exp

Reaction Rates Worksheet Answers at end Download File Reaction Kinetics Problem Set Answers at End Download File Reaction Mechanisms p 1 2 Answer Key Download File Reaction Mechanisms p 3 4 Answer Key Download File Study Guides Review Package Essential Learning Goals Unit I Download File Unit I Reaction Rates Multiple Choice Rates of Reaction Some reactions occur very quickly like the burning of petrol in air in an engine Other reactions can take a very long time like the rusting of iron The speed at which a reaction goes is called the rate of reaction Measuring the rate of a reaction Acid Zinc Gas syringe Zn s 2HCl aq H 2 g ZnCl 2 aq

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1 What happens to the concentrations of a C6H12O6 O2 as the reaction proceeds b H2O CO2 as the reaction proceeds 2 According to the collision theory what 3 circumstances are needed for C6H12O6 O2 to react 3 What is the activation energy for a chemical reaction 4 Use the equation the collision theory to explain Write down your hypothesis about how the surface area of the Alka Seltzer tablet will affect the reaction rate Write 1 3 sentences explaining why this is your hypothesis Follow the steps below to conduct your experiment 2 Experiment Experiment 1 Whole Alka Seltzer tablet a Fill the beaker or cup with water up to the top of the masking

1 Provide definitions for the following terms Catalyst a substance that causes or accelerates a chemical reaction without itself being affected Reaction Rate the speed at which a chemical reaction proceeds 2 Answer the following questions using COMPLETE SENTENCES a and b The effect of concentration on reaction rate Students react sodium thiosulfate solution is reacted with acid a sulfur precipitate forms The time taken for a certain amount of sulfur to form can be used to indicate the rate of the reaction Contains kit list and safety instructions

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Reaction Rates Worksheet Answers - Reaction Rates Worksheet Answers at end Download File Reaction Kinetics Problem Set Answers at End Download File Reaction Mechanisms p 1 2 Answer Key Download File Reaction Mechanisms p 3 4 Answer Key Download File Study Guides Review Package Essential Learning Goals Unit I Download File Unit I Reaction Rates Multiple Choice