作者garytajen (gary)
看板Chemistry
标题[学习] 一题热力学求解
时间Tue Apr 26 00:06:20 2016
Ammonium nitrate product-favpredly dissolves in water at room temperature andt
he process causes the solition to become quite cold
Which of the following is not true about the dissolution of ammonium nitrate?(
A)the process is exothermic
(B)the solubility will be greater in warm water
(C)delta S for the reaction is negative
(D)all solution of ammonium nitrate are warm
答案是A，我也觉得C也错耶大家觉得呢
我的想法:Product-favoredly→自发→S>0
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1F：嘘 kerwinhui: 问题一开始写NH4NO3怎麽问起完全不相干的NaOH？04/26 11:01
※ 编辑: garytajen (114.136.176.180), 04/27/2016 02:40:52
2F：→ garytajen: 感谢K大提醒 04/27 02:41
3F：推 vovovolibear: 会不会是因为溶解後的水合导致s<0? 05/09 07:25