题目

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(g)2SO2(g)＋O2(g)                  D．2N2O5(g)4NO2(g)＋O2(g) △H ＝＋c kJ·mol–1                                            △H ＝＋d kJ·mol–1 答案：C

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