我想問:
~ 為什麼硫化物的一d金屬，直接燃燒時，寫方程式要加氧???
但係直接燃燒其他的野，又唔使 ???(eg : 碳酸鈣)
請舉例子+詳細解釋，感謝:)
化學~~~
2007-01-01 10:35 pm
回答 (2)
2007-01-04 4:09 am
✔ 最佳答案
the appearance of oxygen is due to the need of oxygenif the equation burn in air but no need oxygen for reaction
then you don't need to write it
參考: me
2007-01-02 12:46 am
因為你burn o既時候.. 會有oxygen... which combine the gas and product together//
sorry if you dont understand the English .. but I learn all my subjects in English
sorry if you dont understand the English .. but I learn all my subjects in English
參考: myself
收錄日期: 2021-04-12 18:26:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070101000051KK02175