题目
题型:不详难度:来源:
A.N2(g)+3H2(g)⇌2NH3(l)△H=2(a-b+c) kJ/mol | |||||
B.N2(g)+3H2(g)⇌2NH3(l)△H=2(a-b-c) kJ/mol | |||||
C.1/2N2(g)+3/2H2(g)⇌NH3(l)△H=(b+c-a) kJ/mol | |||||
D.1/2N2(g)+3/2H2(g)⇌NH3(g)△H=(a+b) kJ/mol | |||||
下列关于热化学反应的描述中正确的是( )
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A.N2(g)+3H2(g)⇌2NH3(l)△H=2(a-b+c) kJ/mol | |||||
B.N2(g)+3H2(g)⇌2NH3(l)△H=2(a-b-c) kJ/mol | |||||
C.1/2N2(g)+3/2H2(g)⇌NH3(l)△H=(b+c-a) kJ/mol | |||||
D.1/2N2(g)+3/2H2(g)⇌NH3(g)△H=(a+b) kJ/mol | |||||
下列关于热化学反应的描述中正确的是( )
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