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2. Calculate the entropy change, AS', for the following reactions and determine if its entropy increases or decreases: a. thermal decomposition of NaNO3 2NaNO3(s)→ 2NaNO₂(s) + O₂(g) S'(J/mol-K) at 25°C 116.5 103.8 205 b. synthesis of ammonia from nitrogen gas and hydrogen gas N₂(g) + 3H₂(g) → 2NH3(g) S (J/mol-K) at 25°C 191.6 130.7 192.8

2. Calculate the entropy change, AS', for the following reactions and determine if its entropy increases or decreases: a. thermal decomposition of NaNO3 2NaNO3(s)→ 2NaNO₂(s) + O₂(g) S'(J/mol-K) at 25°C 116.5 103.8 205 b. synthesis of ammonia from nitrogen gas and hydrogen gas N₂(g) + 3H₂(g) → 2NH3(g) S (J/mol-K) at 25°C 191.6 130.7 192.8

Chemistry: Principles and Practice
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 17.52QE
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2. Calculate the entropy change, AS, for the following reactions and determine if its entropy increases or decreases: a. thermal decomposition of NaNO3 2NaNO3(s)→ 2NaNO2(s) + O₂(g) S (J/mol-K) at 25°C 116.5 103.8 205 b. synthesis of ammonia from nitrogen gas and hydrogen gas N₂(g) + 3H₂(g) → 2NH3(g) S (J/mol-K) at 25°C 191.6 130.7 192.8 D
Transcribed Image Text:2. Calculate the entropy change, AS, for the following reactions and determine if its entropy increases or decreases: a. thermal decomposition of NaNO3 2NaNO3(s)→ 2NaNO2(s) + O₂(g) S (J/mol-K) at 25°C 116.5 103.8 205 b. synthesis of ammonia from nitrogen gas and hydrogen gas N₂(g) + 3H₂(g) → 2NH3(g) S (J/mol-K) at 25°C 191.6 130.7 192.8 D
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