he decomposition of ammonium chloride to form ammonia and hydrogen chloride occurs according to the following reaction: a) Predict the sign of the entropy change, AS, for this reaction. Justify your answer. b) The value of AG° for the reaction is negative at high temperatures but positive at low temperatures. Explain. NH,Cla→ NH + HCl@ AH= 176 kJ

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7. The decomposition of ammonium chloride to form ammonia and hydrogen chloride occurs
NH,Cl→ NH3(e + HCle AH = 176 kJ
according to the following reaction:
a) Predict the sign of the entropy change, AS, for this reaction. Justify your answer.
b) The value of AG° for the reaction is negative at high temperatures but positive at low
temperatures. Explain.
Transcribed Image Text:7. The decomposition of ammonium chloride to form ammonia and hydrogen chloride occurs NH,Cl→ NH3(e + HCle AH = 176 kJ according to the following reaction: a) Predict the sign of the entropy change, AS, for this reaction. Justify your answer. b) The value of AG° for the reaction is negative at high temperatures but positive at low temperatures. Explain.
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