(a). Consider the reaction A2(g) + B2(g) 2 AB(g). The reaction of a fixed amount of A2 and B2 is studied in a cylinder fitted with a movable piston. Indicate the effect of each of the following changes on the rate of reaction: (i). an increase in temperature at constant volume. (ii). an increase in volume at constant temperature. (iii). addition of a catalyst. (b). Decomposition of N2O5 is a first order reaction. At 25 °C, it takes 6.2 hours for the concentration to drop from 0.130 to 0.065 M. Calculate the time it takes for the concentration to drop from 0.480 to 0.015 M.

(a). Consider the reaction A2(g) + B2(g) 2 AB(g). The reaction of a fixed amount of A2 and B2 is studied in a cylinder fitted with a movable piston. Indicate the effect of each of the following changes on the rate of reaction: (i). an increase in temperature at constant volume. (ii). an increase in volume at constant temperature. (iii). addition of a catalyst. (b). Decomposition of N2O5 is a first order reaction. At 25 °C, it takes 6.2 hours for the concentration to drop from 0.130 to 0.065 M. Calculate the time it takes for the concentration to drop from 0.480 to 0.015 M.

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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