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The pressure exerted by a molecular hydrogen gas at a temperature of 7oC is 1.01x105 Nm-2....

The pressure exerted by a molecular hydrogen gas at a temperature of 7oC is 1.01x105 Nm-2. Assuming the hydrogen molecular diameter is 2.0x10-10 m, and the mean speed is 860 ms-1, evaluate:

(a) the mean free path, [6]

(b) the mean time between collision and [3]

(c) the collision frequency [3]


Useful constant: kB = 1.38 x 10-23
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