摘要:9.化学反应N2+3H2 = 2NH3的能量变化如题13图所示.该反应的热化学方程式是 A.N2(g)+3H2(g) = 2NH3kJ·mol-1 B.N2(g)+3H2(g) = 2NH3kJ·mol-1 C.N2(g)+H2(g) = NH3kJ·mol-1 D.N2(g)+H2(g) =NH3kJ·mol-1
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