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Physics算唔算DSE最抵讀嘅一科？
佩恩六道
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唔係智障都起碼有2
等乞食
m1 先正
a. Explain why speed of travel of a gas odour is slow compared with the actual speed of gas molecules
b. Briefly describe how to measure the rate of diffusion of bromine.
c. Given the r.m.s of bromine molecules and the rate of diffusion of bromine, show that the estimation of the mean free path and the size of bromine molecules is possible.
b. Briefly describe how to measure the rate of diffusion of bromine.
c. Given the r.m.s of bromine molecules and the rate of diffusion of bromine, show that the estimation of the mean free path and the size of bromine molecules is possible.