9 liters of air will have what volume when its Kelvin temperature is 4 times as high and its pressure is increased to 8 times what is was?
问题描述:
9 liters of air will have what volume when its Kelvin temperature is 4 times as high and its pressure is increased to 8 times what is was?
答
9L的气体,在卡尔文温度增大到4倍,压强增大到8倍后,体积是多少?
我记不得具体公式了,不过气体加强与温度成正比,与体积成反比,只要将题目中的倍数关系代到那个公式中,就能求出体积。
答
9L的气体,在卡尔文温度增大到4倍,压强增大到8倍后,体积是多少?(摘自一楼的,我认为翻译的不错!)
PV=nRT
T变为原来的4倍
P变为原先8倍,所以V变为原来的0.5倍.
n为摩尔量,R为常数