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A gas is filled in a vessel at a certain...

A gas is filled in a vessel at a certain temperature and at a pressure of `80 cm` of Hg. At the same temperature, more gas is filled in the vessel so that its mean increases by `60%`. Determine the resultant pressure in the vessel.

Text Solution

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`P = (1)/(3) (M)/(V) bar(v^(2))`
At constant temperature the value of `bar(v^2)` remains constant. Then, if V is constant we have `P prop M`
On increasing the mass of the gas by 60%, the pressure gas is
`80 cm + (80 xx (60)/(100) ) cm=128 cm` ( of mercury)
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