简单英文化学问题!writing chemical equations! 1.copy the following eq
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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
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
![简单英文化学问题!writing chemical equations! 1.copy the following eq](/uploads/image/z/13620818-2-8.jpg?t=%E7%AE%80%E5%8D%95%E8%8B%B1%E6%96%87%E5%8C%96%E5%AD%A6%E9%97%AE%E9%A2%98%21writing+chemical+equations%21+1.copy+the+following+eq)
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=2H2O
2.N2+3H2=2NH3
3.4P+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 the book.然后既然叫“balance”equation顾名思义就是要把等号左边和右边的balance.就是说左边有几个H右边也应该有几个H,左边有几个O,右边也应该有几个O,2H2的计算方法是2X2=4,所以有4个H.
想当年我也为这种问题烦恼.多做做题就好了,其实可以去问老师.他们很NICE.SO..GOOD LUCK LA~
你好象写错了吧?中间那个-应该是=吧.
如果是的话:
1.2H2+O2=2H2O
2.N2+3H2=2NH3
3.4P+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 the book.然后既然叫“balance”equation顾名思义就是要把等号左边和右边的balance.就是说左边有几个H右边也应该有几个H,左边有几个O,右边也应该有几个O,2H2的计算方法是2X2=4,所以有4个H.
想当年我也为这种问题烦恼.多做做题就好了,其实可以去问老师.他们很NICE.SO..GOOD LUCK LA~
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