作者late2004 (....种田去)
看板TransBioChem
标题[化学] 一题题目
时间Sat Jun 27 16:27:25 2009
题目是这样的(出自成大96化学系的普化)
you make 325g of a solid (mp:58度C,heat of fusion:345 J/g) and let it
melt in 755g of water. The water temperature decreases from its initial
temperature to 30度C. Calculate the initial temperature of the water.
请问这题该怎麽算= ="
我完全想不到该用什麽公式...
总觉得作考古题常让自己很慌张....
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1F：推 yiso:1596篇我解过 参考一下 06/27 17:07
2F：→ late2004:感谢!!! 我之前爬文的关键字弄不对没爬到 谢谢你^^ 06/27 23:45