CuSO4·5H2O=CuSO4+5H2O
中间写加热
猜你喜欢
- 1水结冰后,体积增加10分之1.2立方分米的冰化成水后的体积是什么
- 2一个柱子的直径是1.8米一边高是4米,一边高是3米浇注这个柱子需要多少立方米混泥土?
- 3Jack want to be a clerk,to write some reports and letters
- 4一件商品,按现在的价格,利润是成本的26%,若成本降低10%,按现在的价格,利润是成本的_%.
- 5在Rt△ABC中,∠C=90°,AB=根号5,AC=根号2,求sinA,cosB,tanA的值.
- 6若一次函数y=(m-1)x+m2+2的图象与y轴交点的纵坐标是3,则m=_.
- 7The headmater will tell us______next.A.how to do B.what to do 请问选什么?之前有人说how 是副词不能做宾语请问谁做谁的宾语啊?主语是headmaster 宾语是us ,
- 8现有浓度为百分之二十的盐水120克,如将它变为浓度为百分之二十五的盐水,需加盐多少克.
- 9This part is to test your ability to do practical writing. You are required to write a letter according to the following
- 10What great fun it was! fun前可不可以加a?为什么?