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A Vessel of 120 mL capacity contains a c...

A Vessel of `120 mL` capacity contains a certain mass of gas at `20^(@)C` and `75 mm` pressure. The gas was transferred to a vessel whose volume is `180 mL`. Calculate the pressure of the gas at `20^(@)C`

Text Solution

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Since a gas completely fills the vessel in which it is contained, thesefore, we have :
`V_(1)=120 mL,V_(2)=180 mL`, `P_(1)=750 mm, P_(2)=?mm`
Since the temperature remains constant, therefore, by applying Boyle's Law, `P_(1)V_(1)=P_(2)V_(2)`
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