_N2+H2====NH3

来源：学生作业帮助网编辑：作业帮时间：2024/05/01 04:40:40

_____N2+____H2====____NH3
_____N2+____H2====____NH3

_____N2+____H2====____NH3
N2+3H2==2NH3

__1___N2+___3_H2====_2___NH3