简单英文化学问题!writing chemical equations! 1.copy the following equation into your book and balance them:(1)H2+O2-H2O (2)N2+H2-NH3 (3)P+O2-P2O5希望高手 讲解下 ,还有讲解下balancing the equation!谢啦!我初学者

问题描述:

简单英文化学问题!
writing chemical equations!
1.copy the following equation into your book and balance them:
(1)H2+O2-H2O (2)N2+H2-NH3 (3)P+O2-P2O5
希望高手 讲解下 ,还有讲解下balancing the equation!谢啦!
我初学者

balancing the equation是指:使方程式平衡。
你自己配一下方程式,这个好像是高中化学题目呀!

我chemistry take了3遍.这个看来很简单.你好象写错了吧?中间那个-应该是=吧.如果是的话:1.2H2+O2=2H2O2.N2+3H2=2NH33.4P+5O2=2P2O5你知道字母前的数字是大的,字母后的数字是小的吧.just like how they write it on ...