简单英文化学问题!
writingchemicalequations!
1.copythefollowingequationintoyourbookandbalancethem:
(1)H2+O2-H2O(2)N2+H2-NH3(3)P+O2-P2O5
希望高手讲解下,还有讲解下balancingtheequation!谢啦!
我初学者
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