猜你喜欢
- 1已知反应2kMno4+16hcl(浓)=2kcl+2Mno2+5cl2+8H2o,若有71gcl2生成被氧化的HCL与未被氧化的物质量的比
- 2before joing the army , he spent a lot of time in the village ______he belonged
- 3peter is going to sell his mountain bike(山地车),because he wants to buy a motorbike.he
- 4设A,B是两事件,且P(A)=0.6,P(B)=0.7,求:在什么条件下P(AB)取到最大值?在什么条件下P(AB)取到最小值?
- 5若x=2又2011分之2010,则|x|+|x-1|+|x-2|+|x-3|+|x-4|+|x-5|=
- 6高一化学题求解 求过程详细一点0v0:将50ml的试管充满NO2和O2的混合气体
- 7仅有浓度为20%的盐水20kg,要将它稀释成浓度为12%的盐水,需加水多少kg?
- 8line up、younger、from、older、to连词成句
- 9函数y=根号下4^x-2的定义域是
- 10急求带颜色的古诗句