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）
C
解析
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．
B．
C．
D．
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
△H ＝+a kJ·mol－1 △H ＝－b kJ·mol–1
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△H ＝＋c kJ·mol–1 △H ＝＋d kJ·mol–1
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
4NO(g)＋6H2O(g) B．N2(g)＋3H2(g)
4NO(g)＋6H2O(g) B．N2(g)＋3H2(g)
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