现有下列两个图象:下列反应中符合上述图像的是A.N2(g)+3H2(g) 2NH3(

现有下列两个图象:下列反应中符合上述图像的是AN2(g)3H2(g) 2NH3(g)  ΔH<0

B2SO3(g) 2SO2(g)O2(g)  ΔH>0

C4NH3(g)5O2(g) 4NO(g)6H2O(g)  ΔH<0

DH2(g)CO(g) C(s)H2O(g)  ΔH>0

答案

                                  

B

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