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sxd158

新虫 (小有名气)

[求助] 各位大侠,什么叫浓缩热啊

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liuyu0111

铁杆木虫 (正式写手)

【答案】应助回帖

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感谢参与,应助指数 +1
fds329: 金币+2, 感谢应助。辛苦了O(∩_∩)O 2012-04-23 22:07:59
sxd158: 金币+1, ★★★很有帮助, 谢谢啊 2012-04-24 12:37:55
好像这是工程计算中的一个概念。举个例子,在CaCl2、NaOH等水溶液,当被浓缩时,除需供给蒸发水分所必需的汽化潜热外,还需供给与稀释这些盐时所放出的稀释热所相当的浓缩热;而且浓度愈大,这种影响愈显著,要依靠焓图解决。
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2楼2012-04-23 08:00:18
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sxd158

新虫 (小有名气)

引用回帖:
2楼: Originally posted by liuyu0111 at 2012-04-23 08:00:18:
好像这是工程计算中的一个概念。举个例子,在CaCl2、NaOH等水溶液,当被浓缩时,除需供给蒸发水分所必需的汽化潜热外,还需供给与稀释这些盐时所放出的稀释热所相当的浓缩热;而且浓度愈大,这种影响愈显著,要依 ...

就是可以理解为:浓缩热=-稀释热?是吗
3楼2012-04-24 12:56:21
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