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1 g mole of oxygen at 27^@ C and 1 atmo...

`1 g` mole of oxygen at `27^@ C` and `1 ` atmosphere pressure is enclosed in a vessel.
(a) Assuming the molecules to be moving with `v_(r m s)`, find the number of collisions per second which the molecules make with one square metre area of the vessel wall.
(b) The vessel is next thermally insulated and moves with a constant speed `v_(0)`. It is then suddenly stoppes. The process results in a rise of temperature of the gas by `1^@ C`. Calculate the speed `v_0.[k = 1.38 xx 10^-23 J//K` and `N_(A) = 6.02 xx 10^23 //mol]`.

Text Solution

Verified by Experts

(a) `3.4xx10^(27)` per second
(b) 36m/s
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