Directions: Write the letter of the word or phrase that best completes the statement or answers the question on the space provided. I. first order J. reaction order A. catalysts B. concentration C. rate law D. surface area E. temperature F. rate of reaction G. reactivity H. reactants 1. It refers to the amount of substance per unit volume. 2. Some reactions are slow and some are fast. 3. It tells the concentration dependence of one reactant in a reaction. 4. It is characterized as the tendency of a material to undergo a chemical reaction. 5. It shows the relationship between concentrations of reactants and reaction rate. 6. It describes the powers of the concentration factors in the rate equation. 7. It is a property of a material which increases as particle size decreases. 8. These are substances that go away with time in a reaction. 9. It increases the kinetic energy present in a material. 10. These are materials that do not change their amount throughout the chemical reaction.

Directions: Write the letter of the word or phrase that best completes the statement or answers the question on the space provided. I. first order J. reaction order A. catalysts B. concentration C. rate law D. surface area E. temperature F. rate of reaction G. reactivity H. reactants 1. It refers to the amount of substance per unit volume. 2. Some reactions are slow and some are fast. 3. It tells the concentration dependence of one reactant in a reaction. 4. It is characterized as the tendency of a material to undergo a chemical reaction. 5. It shows the relationship between concentrations of reactants and reaction rate. 6. It describes the powers of the concentration factors in the rate equation. 7. It is a property of a material which increases as particle size decreases. 8. These are substances that go away with time in a reaction. 9. It increases the kinetic energy present in a material. 10. These are materials that do not change their amount throughout the chemical reaction.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Write the balanced reaction that corresponds to the data in graph.
a. b. C. d. e. 1. If for the reaction a b d e aX → by → 9 the rate law is determined to be r=[X]¹[Y]º the order of the reaction is 0 increasing the concentration of Y will have no effect on the rate increasing the concentration of X will have no effect on the rate increasing the concentration of Y will increase the rate of the reaction there is no way to determine the value of k 9 then
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16. A reaction mechanism proposes three step reactions for the overall reaction and the energy diagram shows three activated states. From the proposed mechanism and energy diagram how many reaction intermediates are expected to form?A. 3 B. none C. 1 D. 2 E. 4
QUESTION 7 Match the part of the rate law with the correct term. 2 NO(g) + Cl2(g) --> 2 NOCI(g) 2. rate 3.0 mol2*s A 3.0 mol2*s A. Y rate constant vorder of reaction with respect to NO vorder of reaction with respect to Cl2 В. 1 C. 2 overall reaction order D. 3 QUESTION 8 2.
d.The simplifying assumption that the change in concentration of the reactants is SMALL (and therefore negligible to the calculation) compared to the initial concentration of the reactants. Is this assumption justified in this reaction and these conditions? Do a little math to prove your point.
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12. Three concentration-time graphs for chemical reactions are shown below: Graph 1 Graph 2 Graph 3 [X] [X] [X] Time Time Time Which of the three graphs correctly shows a reaction in which the concentration of the reactant X would affect the rate of the reaction? a. Graph 1 only b. Graph 2 only c. Graphs 1 and 3 d. Graphs 1 and 2