問題詳情
30. 氫氧燃料電池的放電反應方程式可寫成 2H2(g)＋O2(g) → 2H2O ，下列有關氫氧燃料電池之敘述，何者正確？
(A)燃料電池把化學能轉換成電能的效率比傳統火力發電的能量轉換功率低
(B)每消耗 莫耳氧氣，可產生 莫耳水
(C)放電時，電池中之 OH－ 濃度漸減
(D)放電時，氫氣在負極反應
(E)可用高濃度 KOH 溶液作電解質。
(A)燃料電池把化學能轉換成電能的效率比傳統火力發電的能量轉換功率低
(B)每消耗 莫耳氧氣，可產生 莫耳水
(C)放電時，電池中之 OH－ 濃度漸減
(D)放電時，氫氣在負極反應
(E)可用高濃度 KOH 溶液作電解質。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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