用双线桥法表示:4NA+O2=2NA2O2NA+O2=NA2O22NA+2H2O=2NAOH+H22AL+2NAOH+2
用双线桥法表示:4NA+O2=2NA2O2NA+O2=NA2O22NA+2H2O=2NAOH+H22AL+2NAOH+2
2Na2O2+2H2O===4NaOH+O2的离子方程式 2Na+2H2O==2NaOH+H2,Na2O+H2O=2Na
高中化学常见的元素分步反应(如Na+O2=Na2O2,2Na2O2+2H2O=4NaOH+O2)
2Na2O2+2H2O=4NaOH+O2↑
2Na2O2+2H2O=4NaOH+O2现象是什么?
2Na2O2+2H2O==4NaOH+O2(箭头) 中的Na2O2怎么分配O2的?
Na2O2+H2O=4NaOH+O2双线桥法怎么弄?
"2 Na2O2+2 H2O=4 NaOH+O2"中的Na2O2的Na与O分别为几价?
NaOH+H2O=O2+?
已知2Na+O2=Na2O,...2Na2O2+2H2O=4NaOH+O2,.2Na2O2+2CO2=2Na2CO3+O
2C2H2+5O2=4CO2+2H2O双线桥法怎么标?2C2H2+5O2=4CO2+2H2O双线桥法怎么标?
为什么Na2O2+2H2O=2NaOH+H2O2.又有 Na2O2+H2O=4NaOH+O2.这是什