1.氮气:
NaNO2(固体)+NH4Cl(饱和)=△=NaCl+N2↑+2H2O
2.氧气
2KClO3=(MnO2)=△=2KCl+3O2↑
3.氨气
Ca(OH)2+2NH4Cl=△=CaCl2+2NH3↑+2H2O
4.甲烷
CH3COONa(无水)+NaOH=(CaO)=△=Na2CO3+CH4↑
1.氮气:
NaNO2(固体)+NH4Cl(饱和)=△=NaCl+N2↑+2H2O
2.氧气
2KClO3=(MnO2)=△=2KCl+3O2↑
3.氨气
Ca(OH)2+2NH4Cl=△=CaCl2+2NH3↑+2H2O
4.甲烷
CH3COONa(无水)+NaOH=(CaO)=△=Na2CO3+CH4↑