题目内容
下列反应中符合下图图象的是
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A.N2(g)+3H2(g)2NH3(g); △H=-Q1kJ·mol-1 (Q1>0)
B.2SO3(g)2SO2(g)+O2(g); △H=+Q2kJ·mol-1 (Q2>0)
C.4NH3(g)+5O2(g)4NO(g)+6H2O(g);△H=-Q3kJ·mol-1 (Q3>0)
D.H2(g)+CO(g)C(s)+H2O(g);△H=+Q4kJ·mol-1 (Q4>0)
B
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