(a) A reaction 2 A →P has a second-order rate law with k = 3.50 × 10−4 dm3 mol−1s−1. Calculate the time required for the concentration of A to change from 0.260 mol dm−3 to 0.011 mol dm−3(b) For the ideal gas reaction A + B ↔ 2C + 2D, it is given that ∆Gθ500= 1250 cal mol-1. If 1.0 mol of A and 1.0 mol of B are placed in a vessel at 500 K and P is held fixed at 1200 torr, calculate the equilibrium amount of A, B, C, and D.

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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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(a) A reaction 2 A →P has a second-order rate law with k = 3.50 × 10⁻⁴ dm³ mol⁻¹s⁻¹. Calculate the time required for the concentration of A to change from 0.260 mol dm⁻³ to 0.011 mol dm⁻³

(b) For the ideal gas reaction A + B ↔ 2C + 2D, it is given that ∆G^θ₅₀₀= 1250 cal mol^-1. If 1.0 mol of A and 1.0 mol of B are placed in a vessel at 500 K and P is held fixed at 1200 torr, calculate the equilibrium amount of A, B, C, and D.

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