7. The equilibrium constant for the reac- tion N2(8) + O2(g) 2NO(g) at 2130°C is 2.5 × 10-3. Why is it un- necessary to be told whether the value is for K, or K.? The reaction absorbs heat. For the following conditions, determine whether the reaction is spontaneous for- ward or in reverse, or whether it is at equilibrium: a) A 1-liter box contains 0.02 mole of NO, 0.01 mole of O2, and 0.02 mole of N, at 2130°C. b) A 20-liter box contains 0.01 mole of N,, 0.001 mole of O,, and 0.02 mole of NO at 2130°C. c) A 1-liter box contains 1.00 mole of N2, 16 moles of O,, and 0.2 mole of NO at 2500°C.

7. The equilibrium constant for the reac- tion N2(8) + O2(g) 2NO(g) at 2130°C is 2.5 × 10-3. Why is it un- necessary to be told whether the value is for K, or K.? The reaction absorbs heat. For the following conditions, determine whether the reaction is spontaneous for- ward or in reverse, or whether it is at equilibrium: a) A 1-liter box contains 0.02 mole of NO, 0.01 mole of O2, and 0.02 mole of N, at 2130°C. b) A 20-liter box contains 0.01 mole of N,, 0.001 mole of O,, and 0.02 mole of NO at 2130°C. c) A 1-liter box contains 1.00 mole of N2, 16 moles of O,, and 0.2 mole of NO at 2500°C.

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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