sys Example: Calculate the AG˚ve for N₂+ 3H2 → 2NH3 at 25°C and 225°C S° N2(g) 191.5 J/mol K = S° H2(g) = 130.6 J/mol K = S° NH3(g) 192.5 J/mol K o AH, N2(g) = 0 kJ/mol • AH H2(g) = 0 kJ/mol • AH NH3(g) = -46.19 kJ/mol = AG sys AH sys - TAS sys

sys Example: Calculate the AG˚ve for N₂+ 3H2 → 2NH3 at 25°C and 225°C S° N2(g) 191.5 J/mol K = S° H2(g) = 130.6 J/mol K = S° NH3(g) 192.5 J/mol K o AH, N2(g) = 0 kJ/mol • AH H2(g) = 0 kJ/mol • AH NH3(g) = -46.19 kJ/mol = AG sys AH sys - TAS sys

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 62E: In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of...

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