Given the equation, calcite the standard free energy change. Answer what is being asked. N2(®) +3H2®) --->2NH3(g) 1. If AH = -92.2kJ and AS= -0.1987kJ/K, what is AG for the reaction at 475°C and at 5°C? Provide the answer in kJ. In each case, is the reaction spontaneous? 2. The enthalpy and entropy change of a reaction are -3.9 kJ/mole and +56.6 J/mole K respectively at 25° C. What is the free energy change in kJ/mole? Is this reaction always spontaneous, never spontaneous or does it depend on the temperature?

Given the equation, calcite the standard free energy change. Answer what is being asked. N2(®) +3H2®) --->2NH3(g) 1. If AH = -92.2kJ and AS= -0.1987kJ/K, what is AG for the reaction at 475°C and at 5°C? Provide the answer in kJ. In each case, is the reaction spontaneous? 2. The enthalpy and entropy change of a reaction are -3.9 kJ/mole and +56.6 J/mole K respectively at 25° C. What is the free energy change in kJ/mole? Is this reaction always spontaneous, never spontaneous or does it depend on the temperature?

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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