102年 地特三等 環化環微 - 考試
By Agnes
at 2015-04-02T18:57
at 2015-04-02T18:57
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
[考題]102 地特三等 環化環微
厭氧微生物代謝使得氮氣與氫氣作用形成氨氣,當35度C平衡時,氨的莫耳分率為10.9%
,且總壓力為一大氣壓,試求在35度C時該反應之平衡常數?
想法:
N2 + 3 H2 → 2 NH3
濃度 a-s b-3s 2s
[NH3]^2 [2s]^2
k = ---------- = -------------
[N2][H2]^3 [a-s][b-3s]^3
已知s=0.109,條件好像不夠?
是否有我沒注意到的條件?
感謝各位大大指教
--
[考題]102 地特三等 環化環微
厭氧微生物代謝使得氮氣與氫氣作用形成氨氣,當35度C平衡時,氨的莫耳分率為10.9%
,且總壓力為一大氣壓,試求在35度C時該反應之平衡常數?
想法:
N2 + 3 H2 → 2 NH3
濃度 a-s b-3s 2s
[NH3]^2 [2s]^2
k = ---------- = -------------
[N2][H2]^3 [a-s][b-3s]^3
已知s=0.109,條件好像不夠?
是否有我沒注意到的條件?
感謝各位大大指教
--
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