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2017-03-06View Original

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Reply #22017-03-06
在大量的实验实测中,发现,当气体物质的量为1mol时,它的体积为22.4L,而且,同温同压下,体积相同的气体含有相同数目的分子,并有规定,标况下,1mol的气体含有6.02*10^23个该气体分子.
Reply #32017-03-06
自然规律。很多自然规律我们只能去发现,不能解释。
Reply #42017-03-07
这种渴望探求知识的精神值得学*,但是现在人类还只能发现这个规律,也算不易了
Reply #52017-03-07
我又具体学*了一下。至于为什么在标准状况下,1mol任何气体所占的体积都约为22.4L? 其原因是:气体的分子之间的距离要比气体分子本身的尺寸大的多,所以气体的摩尔体积决定于微利之间的平均距离,而这个平均距离又决定于气体的温度压力而与气体的其他性质无关。 在标准状况下,气体的摩尔体积约为2.4L。 我认为这是比较科学的解释,与大家共享。
Reply #62017-03-09
这只是理想气体状态方程计算的结果,没有考虑分子间相互作用和分子本身体积的结果,仅适用于理想气体

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