Consider the following reaction: 5 H2(g) + 2 NO(g) → 2 NH3(g) + 2 H20(g) Based on the data in the table below, determine the standard Gibbs free energy of reaction, AG°, rxn in kJ. AH° (kJ mol-1) s° (UK-1 mol-1) H2(g) 130.7 NO(g) 92.1 210.8 NH3(g) -45.5 192.8 H20(g) -244.6 188.8

Consider the following reaction: 5 H2(g) + 2 NO(g) → 2 NH3(g) + 2 H20(g) Based on the data in the table below, determine the standard Gibbs free energy of reaction, AG°, rxn in kJ. AH° (kJ mol-1) s° (UK-1 mol-1) H2(g) 130.7 NO(g) 92.1 210.8 NH3(g) -45.5 192.8 H20(g) -244.6 188.8

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 9CO

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Question

Consider the following reaction:
5 H2(g) + 2 NO(g) → 2 NH3(g) + 2 H20(g)
Based on the data in the table below, determine the standard Gibbs free energy of reaction, AG°,
rxn
in kJ.
AH° (kJ mol-1)
s° (JK-1 mol-1)
H2(g)
130.7
NO(g)
92.1
210.8
NH3(g)
-45.5
192.8
H20(g)
-244.6
188.8

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