Consider the following reaction at 25 °C: 3 NIO(s) + 2 NH3(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) Given the information in the table, calculate AH° for the reaction. Compound NiO (s) Ni (s) NH3 (g) N₂ (g) H₂O (g) AHf° (kJ/mol) -239.7 0 -46 0 -241.8 Sfᵒ (J/mol.K) 38 29.9 192.5 191.5 188.7

Consider the following reaction at 25 °C: 3 NIO(s) + 2 NH3(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) Given the information in the table, calculate AH° for the reaction. Compound NiO (s) Ni (s) NH3 (g) N₂ (g) H₂O (g) AHf° (kJ/mol) -239.7 0 -46 0 -241.8 Sfᵒ (J/mol.K) 38 29.9 192.5 191.5 188.7

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

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Question

Consider the following reaction at 25 °C:
3 NIO(s) + 2 NH³(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g)
Given the information in the table, calculate AH° for the reaction.
Compound
NiO (s)
Ni (s)
NH3 (g)
N₂ (g)
H₂O (g)
AHf° (kJ/mol)
-239.7
0
-46
0
-241.8
Sf° (J/mol-K)
38
29.9
192.5
191.5
188.7

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