QUESTION 1 a) Define rate of reaction. Write the expression to show the relationship between the rate of disappearance of mercury(II) chloride, HgCl2 and the rate of formation of mercury(1) chloride, Hg2Cl2. 2H9CI2 (aq) + C2O42- (aq) → 2CI-(aq) + 2CO2 (g) + Hg2Cl2 (s) b) Calculate the activation energy, Ea (in J mol1) of a reaction occurring at 679 K given that the forward reaction has a rate constant, k of 7.8 s-1 and Arrhenius constant, A of 16.3 s-1. State the effect on the Ea value when temperature is increased. The gas constant, R is 8.314 J mol-1 K-1.

QUESTION 1 a) Define rate of reaction. Write the expression to show the relationship between the rate of disappearance of mercury(II) chloride, HgCl2 and the rate of formation of mercury(1) chloride, Hg2Cl2. 2H9CI2 (aq) + C2O42- (aq) → 2CI-(aq) + 2CO2 (g) + Hg2Cl2 (s) b) Calculate the activation energy, Ea (in J mol1) of a reaction occurring at 679 K given that the forward reaction has a rate constant, k of 7.8 s-1 and Arrhenius constant, A of 16.3 s-1. State the effect on the Ea value when temperature is increased. The gas constant, R is 8.314 J mol-1 K-1.

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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