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耐心的蜗牛

铜虫 (小有名气)

[求助] 结晶化合物的标准化学势怎么计算啊,有地方可以查到吗?

比如像2na2so4*na2co3的物质na2co3*3k2so4这样的物质
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周艺轩226

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【答案】应助回帖

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fds329: 金币+5, ICEPI+1, 感谢应助。辛苦了O(∩_∩)O 2012-09-23 00:15:03
引用回帖:
3楼: Originally posted by 耐心的蜗牛 at 2012-08-30 09:34:21
可以由离子的化学势算物质的么?...

这是专家写的:Indeed, we can freely choose as many zero points as there are chemical elements7.
Chemists make this choice so that the potential of every element is zero when it is in its most
stablemodification and under standard conditions (conventional scale). A less arbitrary choice
would be to take the elements as isolated atoms at rest (atomic scale).
这是部分相对大小
Table 1. Excerpt of a table of chemical potentials.
Substance Name, phase μ (kG)
. . . . . . . . .
Al6Si2O13 mullite, solid .6441.94
Ar argon, gaseous 0
Ar water solution 16.32
As arsenic, gaseous 261.08
As grey, metallic, solid 0
AsCl3 gaseous .248.95
AsCl3 liquid .259.41
AsF3 liquid .909.14
AsI3 solid .59.41
As2O3 monoclinic, solid .577.02
As2O5 solid .782.41
As2S3 solid .168.62
As4O6 cubic, solid .1152.52
4楼2012-08-30 10:10:05
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周艺轩226

金虫 (小有名气)

【答案】应助回帖

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感谢参与,应助指数 +1
fds329: 金币+1, 感谢应助。辛苦了O(∩_∩)O 2012-09-23 00:14:44
查不到,化学式和G一样,无法求出绝对值
2楼2012-08-29 23:19:14
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耐心的蜗牛

铜虫 (小有名气)

引用回帖:
2楼: Originally posted by 周艺轩226 at 2012-08-29 23:19:14
查不到,化学式和G一样,无法求出绝对值

可以由离子的化学势算物质的么?
人生就是坚持,有决心没有不可能
3楼2012-08-30 09:34:21
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RM1349

新虫 (初入文坛)

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3楼: Originally posted by 耐心的蜗牛 at 2012-08-30 09:34:21
可以由离子的化学势算物质的么?...

是不是可以借助反应确定呢?
5楼2012-11-13 23:47:28
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