氣體的摩擦力

2008-04-27 9:10 pm
哪一種氣體的摩擦力是最大的?

回答 (1)

2008-04-28 2:27 pm
✔ 最佳答案
i think radon is what u are looking for since it is the densest gas known so far. but it is radioactive and will kill u. so dont use it. sometimes it's not about the money, especially for things that are rare and dangerous. usually only big constitution (school and company) has their way to buy chemicals. oridinary people can only order tools that help them to do experiment.


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