题目内容

下列四个图像所反映的内容与相应反应符合的是(a、b、c、d均大于0)

A.4NH3(g)+ 5O2(g)=4NO(g)+6H2O(g)      B.N2(g)+3H2(g)=2NH3(g)

△H = -a KJ·mol-1                             △H = -b KJ·mol-1

C.2SO3=2SO2(g)+ O2(g)                 D.2N2O5(g) = 4NO2(g) + O2(g) 

  △H = +c KJ·mol-1                                    △H = +d KJ·mol-1

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