2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures, only at high temperatures, at all temperatures? 2. AH°i, kJ/mol s, J/mol·K NH3(g) -46.1 192.5 O2(g) N20 (g) 205.0 82.1 219.9 H20(g) -241.8 188.7

2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures, only at high temperatures, at all temperatures? 2. AH°i, kJ/mol s, J/mol·K NH3(g) -46.1 192.5 O2(g) N20 (g) 205.0 82.1 219.9 H20(g) -241.8 188.7

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter17: Chemcial Thermodynamics

Section: Chapter Questions

Problem 17.77QE

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Question

2. 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g)
Is this reaction spontaneous only at low temperatures, only at high
temperatures, at all temperatures?
AH°, kJ/mol S°, J/mol·K
NH3(g)
02(g)
|-46.1
192.5
|205.0
N 20 (g) 82.1
219.9
(8)0대
-241.8
188.7

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