EXERCISE1. Why is a collision between two particles necessary for a reaction to occur?2. Explain the reaction of energy graph for an exothermic reaction in terms ofcollision theory.3. What is activation energy?4. Which two factors govern whether a collision between reacting particles willbe effective?5. If two reactants collided with energy but no reaction occurred, what would bethe most likely explanation?

EXERCISE Why is a collision between two particles necessary for a reaction to occur? 2. Explain the reaction of energy graph for an exothermic reaction in terms of collision theory. B. What is activation energy? 4. Which two factors govern whether a collision between reacting particles will be effective? 5. If two reactants collided with energy but no reaction occurred, what would be the most likely explanation?

EXERCISE Why is a collision between two particles necessary for a reaction to occur? 2. Explain the reaction of energy graph for an exothermic reaction in terms of collision theory. B. What is activation energy? 4. Which two factors govern whether a collision between reacting particles will be effective? 5. If two reactants collided with energy but no reaction occurred, what would be the most likely explanation?

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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1. a. Explain in your own words, what is meant by the term "activation energy." b. How can the idea of activation energy be used to explain the temperature dependance of rate? c. How can activation energy be used to explain why a catalyst increases the rate of a chemical reaction
Catalysts play an important role in many reactions. Check all of the true statements. A. Any catalyst will speed up any reaction. B. Catalysts can be in the same phase or a different phase as the reactants. C. A catalyst can change the mechanism of a reaction. D. A catalyst is consumed in a chemical reaction.
14. Why does the rate of the reaction decrease over time? A. Exothermic reactions lose heat which cools the reaction which decreases the reaction rate. B. As the reaction proceeds, the concentration of the products results in fewer collisions. C. As the reaction proceeds, a decrease in the concentration of reactants results in fewer successful collisions. D. Not all molecules will react and some choose to stay in their present form. E. none of the above
3
Using the collision model for a chemical change, desciebe from a molecular viewpoint how diluting the solutions by adding water prior to mixing will decrease the rate of the reaction