Re: [學科] 一題普通化學題目 (疑問)
※ 引述《jacky840816 (說好的女朋友呢?)》之銘言:
: 1.Given that deltaG for NH3=-16.67 kJ/mol, caculate the equbilibrium
: constant for the following reaction at 298K : N2+3H2 >>2NH3.
: 我算出來的答案是8.36*10^2 可是解答是6.99*10^5
: 請問是解答給錯嗎? 還是我算錯
這題用0=deltaG^0-RTlnK
如果照答案算法 K值是NH3→0.5N2+1.5H2 這樣吧
我覺得算出來的K應該平方 再取倒數吧 這樣才是答案
而且萬一用解答算出來的是NH3→0.5N2+1.5H2 的K值
題目是 2NH3→N2+3H2 的K值要再平方吧
不過題目又說方向是 N2+3H2 >>2NH3 所以我覺得應該再把K^2倒數
不過答案跟實際結果差很多...
http://en.wikipedia.org/wiki/Haber_process
上面有實際K值
我的想法有錯嗎??
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※ 編輯: Laoda245566 (1.171.183.63), 05/31/2014 02:05:55
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