Consider the acid-base reaction below. NH4+ (aq) + CN −(aq) ⇒ NH3(aq) + HCN(aq) K = 1.7 (a) What is the value of AGO at 298 K? ✔ kJ/mol 4.0 -1.32 What are the values of Q and AG at 298 K under the following conditions, and in which direction (→, , or ) is the reaction proceeding. [NH4+] [CN] [NH3] [HCN] (b) 0.10M 0.10M 0.10M 0.10M (c) 0.12M 0.10M 0.17M 0.12M (d) 0.10M 0.10M 0.18M 0.18M (b) 4.0 1.7 (c) 4.0 308 (d) 4.0 Q X x 4.00 4.0 -4.23 4.0 AG X kJ/mol X kJ/mol kJ/mol direction of reaction ос 11 0 00 O O O ↑ ↓ 11 11 ↑↓

Consider the acid-base reaction below. NH4+ (aq) + CN −(aq) ⇒ NH3(aq) + HCN(aq) K = 1.7 (a) What is the value of AGO at 298 K? ✔ kJ/mol 4.0 -1.32 What are the values of Q and AG at 298 K under the following conditions, and in which direction (→, , or ) is the reaction proceeding. [NH4+] [CN] [NH3] [HCN] (b) 0.10M 0.10M 0.10M 0.10M (c) 0.12M 0.10M 0.17M 0.12M (d) 0.10M 0.10M 0.18M 0.18M (b) 4.0 1.7 (c) 4.0 308 (d) 4.0 Q X x 4.00 4.0 -4.23 4.0 AG X kJ/mol X kJ/mol kJ/mol direction of reaction ос 11 0 00 O O O ↑ ↓ 11 11 ↑↓

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 119QRT

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