The three conditions that must be met at the nanoscale level if a reaction is to occur.1. Reactant molecules must collide.IL Reactants must be aligned so that the reacting koups can form a transition state between reactants and products.III. The collision must have high energy.Select one:a. I, IIb. I, II, IIC.Id. I, I1e. II, IINext pagepage16 am

Kinetic theory of gases explains the necessary condition for a reaction to happen.

The three conditions that must be met at the nanoscale level if a reaction is to occur. 1. Reactant molecules must collide. IL. Reactants must be aligned so that the reacting oups can form a transition state between reactants and products III. The collision must have high energy. Select one: a. I, II b. I, II, II C.I d. 1, II e. II, II

The three conditions that must be met at the nanoscale level if a reaction is to occur. 1. Reactant molecules must collide. IL. Reactants must be aligned so that the reacting oups can form a transition state between reactants and products III. The collision must have high energy. Select one: a. I, II b. I, II, II C.I d. 1, II e. II, II

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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- Increasing the temperature of an exothermic reaction results in __________I. More products and fewer reactants.II. More reactants and fewer products.III. More reactants and products.IV. Fewer reactants and products.V. There are no changes in the amounts of reactants and products. - Increasing the temperature of an endothermic reaction results in _____________________________I. More products and fewer reactants.II. More reactants and fewer products.III. More reactants and products.IV. Fewer reactants and products.V. There are no changes in the amounts of reactants and products. Justify all the alternatives.
Consider the data from the previous question again. A--> B rate= 4.0 M/s B-->C rate = 1.5 M/min C-->D rate = 6.5 M/hour In the overall reaction A--> D, which step determines how fast the product D is made? a. C-->D b. B-->C c. A-->D d. A-->B
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Define explain or describe each of the following terms: a. exthermic reaction b. endothermic reaction c. reversible equation d. dynamic equilibrium
An increase in which of the following will occur if the reaction temperature is increased? 1. energy of activation Il. collision frequency l fraction of collisions with sufficient energy Select one: O a. l Ob.l and II Oc.I and Il Od. Il and III Oe. 1, II, and IIII
From the reaction energy diagram shown here, match the features on the diagram with their definitions. E A X Y wm C B ◄ A reactants products intermediates transition states A Reaction Coordinate A. X, Y, Z B. C, D C. A D. D E. A, D F. A, B G.B H.C 1. B, C N D
8. The rate of reaction of the hydrogenation of ethene with hydrogen bromide gas is being studied by an industrial chemist. What is the balanced chemical equation including states for this reaction? (This part should help you to better answer the rest of this question!) a. b. Suggest a method for measuring the rate of this reaction The amount of reactant (either one) is followed using the method you suggested in part b. Amount of Reactant Time On the graph, sketch the predicted results for one of the products of this reaction. Explain your sketch. d. On the graph, sketch the predicted results for the reactant if the volume of the reaction container is doubled. Explain. (You may assume this reaction is a non-zero order с. reaction.
Which of the following can be used to determine the rate of a chemical reaction? Select one: A. Measuring a change in gas volume B. Measuring a change in mass C. Measuring a change in concentration of a certain species D. All of the above
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
7. The rate of the endothermic reaction, H2CO3(aq)→H2O(l)+CO2(g), using 1.00 M H2CO3, can be increased by adding more water to the reactant boiling the water doubling the quantity of 1.00 M H2CO3 a. I only b. II only c. III only d. II and III only
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