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標題: [Chem] 07 mc 幾條[solved] [打印本頁]

作者: wongjaco    時間: 2010-4-17 02:25 PM     標題: 07 mc 幾條[solved]

2 咩叫 sharp bp?

[ 本帖最後由 wongjaco 於 2010-4-17 03:16 PM 編輯 ]
作者: wongjaco    時間: 2010-4-17 02:32 PM

5洗理 Q26 我post錯
作者: hoffenheim    時間: 2010-4-17 02:33 PM

2 咩叫 sharp bp?
pure subsatances ,detection果課有提

12 ?.?
下.....分metal同molecules咋wo

26 unburn HCs remove 5到
only particulates......(好似串錯)
作者: wongjaco    時間: 2010-4-17 02:36 PM     標題: 回覆 #3 hoffenheim 的帖子

其實我只是想問 Q2 咩叫 sharp bp,,,

我都係5明...
作者: FLEMING    時間: 2010-4-17 03:11 PM

pure compound ,pure野就會有sharp boiling point and melting point
作者: 桃子    時間: 2010-4-17 03:13 PM

A substance has sharp boiling point if the substance boils at one temperature only.

If you have a mixture, it will boils at more than one temperature.
作者: wongjaco    時間: 2010-4-17 03:16 PM

咁我明曬啦

多謝各位的幫忙
作者: absent    時間: 2010-4-17 03:17 PM

呢條個liquid state真係好陰....




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