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Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter16: Spontaneity Of Reaction
Section: Chapter Questions
Problem 68QAP: Given that H f for HF(aq) is -320.1 kJ/mol and S for HF(aq) is 88.7 J/mol K, find Ka for HF at 25C.
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10) Given the following at 25°C, calculate AH, for HPO3(s) at 25°C P4010(s) + HNO3(1)– > HPO3(s) + N2O5(s) AH = -180.6 kJ AH, = -2984 kJ/mol for P4O10(s), -174.1 kJ/mol for HNO3(1), and - 43.1 kJ/mol for N2Os(s). a) -528.0 kJ/mol b) -1474 kJ/mol c) -943.7 kJ/mol d) +1474 kJ/mol e) -954.5 kJ/mol
Transcribed Image Text:10) Given the following at 25°C, calculate AH, for HPO3(s) at 25°C P4010(s) + HNO3(1)– > HPO3(s) + N2O5(s) AH = -180.6 kJ AH, = -2984 kJ/mol for P4O10(s), -174.1 kJ/mol for HNO3(1), and - 43.1 kJ/mol for N2Os(s). a) -528.0 kJ/mol b) -1474 kJ/mol c) -943.7 kJ/mol d) +1474 kJ/mol e) -954.5 kJ/mol
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