____NH3+____O2---------NO+____H2O ____CH4+____O---------CO2+____H2O____C+____CuO----高温----____Cu+____CO2↑____NH3+____O2---------NO+____H2O CH4+____O---------CO2+____H2O配平

____NH3+____O2---------NO+____H2O ____CH4+____O---------CO2+____H2O____C+____CuO----高温----____Cu+____CO2↑____NH3+____O2---------NO+____H2O CH4+____O---------CO2+____H2O配平 _____N2+____H2====____NH3 CxHyOz+____O2 (点燃）XCO2+____H2O 配平化学方程式____NH3+_____CuO加热_____N2+____Cu+_____H2O ___O2-+___H2O生成1个H2O2+____O2+___OH- 2KMnO4=加热____K2MnO4+______MnO2+____O2↑ 要求配平 横线应该填什么 配平完成下列化学方程式① ____Al+____H2SO4=___=_____Al2(SO4)3+____H2②____C3H8+____O2=__=___CO2+___H2O 离子方程式的配平（写出元素化合价的变化）_______MnO4- + _____Cl- + _____ = _____Mn2+ + ____Cl2 + _____H2O _____MnO4- + ______H2O2 + H+ = _____Mn2+ + ____O2 + ____ _____PbS+_____O3=________PbSO4+____O2这个配平我配1211,而答案是1414,为什么我的是错的?