推 howchiu:你題目有打錯吧...附一下網頁好嗎? 06/25 13:14
※ 編輯: chat543 來自: 125.229.192.70 (06/25 13:51)
→ chat543:改好了~ 06/25 13:51
90成大材料第一題
The average bond energy of C-H,C-C,O-H,O-O,H-H at 25度C are 413,348,463,495,
and 436 KJ/mol,respectively. The standard molar heat of formation of C H OH(g)
2 5
is -235KJ/mol ,and the heat of sublimation of carbon(s) at 25度C is 717KJ/mol.
(a)Estimate △H for the reaction
298
CH -CH -OH(g)---->2C (g) +6H(g)+O(g)
3 2
(b)Estimate the C-O bond energy .
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