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反應熱計算
How much heat is released when a misture containing 10g NH3 and 20g O2 reacts by the following equation?4NH3(g) 5O2(g)→4NO(g) 6H2O(g)dH= -906KJ
4NH3(g) 5O2(g)→4NO(g) 6H2O(g)ΔH= -906KJ 這個反應式的意思是說
當4莫耳氨
與5莫耳氧
完全反應
會放出906仟焦的熱量。
10 g 氨 = 10/17 = 0.588 莫耳 20 g氧 = 20/32 = 0.625 莫耳 莫耳數比 氨:氧 =16:17 =
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