选择题: A.2H2(g)+O2(g)→2H2O(g) B.H2(g)+3H2(g)→2NH3(g) C. NH4Cl(s)→NH3(g)+HCl(g) D.CO2(g)+2NaOH(aq)→Na2CO3(aq) +H2O(l)

题目内容:

A.2H2(g)+O2(g)→2H2O(g)
B.H2(g)+3H2(g)→2NH3(g)
C. NH4Cl(s)→NH3(g)+HCl(g)
D.CO2(g)+2NaOH(aq)→Na2CO3(aq) +H2O(l)
参考答案:
答案解析:

A.2,0,-2) B.2,1,-1 C.1,O,-1 D.2,O。1

A.2,0,-2) B.2,1,-1 C.1,O,-1 D.2,O。1

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