N2O4— 无色,与NO2相互转化
人气：442 ℃ 时间：2020-03-28 03:46:21
解答
将NO2放在针桶中,用活塞加压或减压,若加压红棕色会变浅,如果降压红棕色会变深的!方程式如下： N2O4===2NO2等号为双向的,如加压则向左边移动,如果降压则向右边移动.这是化学平衡原理：物态变化总要阻碍化学...
推荐
猜你喜欢
- what are you doing this weekend?选什么?
- 若sinx≥根号3/2,求x范围
- Looks up at the man that she turned
- 设数列｛an｛bn｝｛cn｝,已知a1=4,b1=3,c1=5,a（n+1）=an,b（n+1）=（an+cn）/2,c（n+1）=（an+bn）/2.求数列｛cn-bn｝的通项公式（2）求证：对任意n属于N*,bn+cn为定值
- it's tall and strong,but still it has no flowers.
- 甲乙两人从AB两地相向而行,相遇时,甲所行路程为乙的2倍多1.5千米,乙所行路程为甲路程的5/2,两地相距?
- 己知直线ax+4y-2=0与直线2x-5y+b=0互相垂直于点（1,c）,求a,b,c,的值
- What will he do if he spend all the money?改错
