>
生物
>
配平:( )KClO3=MnO2=( )KCl+O2 ()C+()Fe2O3=高温=()Fe+()CO2 ()C2H5OH+()O2=点燃=()CO2+(
C2H5OH+()O2=点燃=()CO2+()H2O
人气:162 ℃ 时间:2019-12-01 11:48:32
解答
2KClO3=MnO2=2KCl+3O2
3C+2Fe2O3=高温=4Fe+3CO2
C2H5OH+3O2=点燃=2CO2+3H2O
推荐
__C2H5OH+__O2=====__CO2+__H2O如何配平
配平下列化学方程式:(1)C2H2+O2—CO2+H2O(点燃)(2)C2H5OH+O2—CO2+H2O(点燃)(3)CO+Fe3O4—Fe+CO2(高温)
C2H5OH + O2= 点燃 CO2 + H2O 怎么配平
KCLO3=KCL+O2 配平 KMnO4=K2MnO4+MnO2+O2 配平 H2O2=H2O+O2
a克KClO3与b克MnO2混合后,充分加热,得剩余固体c克,则生成O2的质量为___,KCl个质量为-------
The gap's being closed easily enables people to enjoy...
英语:so far this year we () a fall in house prices by between 3 and 5 percent
I hate those people who like to take sth out of nothing.
猜你喜欢
求读书笔记有好词佳句阅读感悟内容概要
一袋米80千克,第一天吃去4分之1,第二天吃去5分之2,两天共吃几千克
要使(ax^2-3x)(x^2-2x+1)的展开式中不含x^3项,则a=
红铅笔1支1.9元,蓝铅笔1支1.1元.两种铅笔共买了16支共花了28元.问红/蓝铅笔共买了几支?
铅蓄电池:Pb+PbO2+2H2SO4=2PbSO4+2H2O(1)写出电极反应式
解分段函数基本思路概念 填空
be willing to 后加什么
I was surprised to see my pet cat was still [ ] after the fire.填什么?
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版