问题
填空题
配平下列方程式:
(1)C+H2SO4(浓)CO2↑+SO2↑+H2O______________________
(2)Cu+ HNO3(稀)→Cu(NO3)2+NO↑+H2O______________________
(3)NH3+O2NO+H2O______________________
答案
(1)C+2H2SO4(浓)CO2↑+2SO2↑+2H2O
(2)3Cu+8HNO3(稀)=3Cu(NO3)2+2NO↑+4H2O
(3)4NH3+5O24NO+6H2O