1.

A gas filled in a closed vessel is heated through 1K and its pressure increases by 0.4%. What was the initial temperature of the gas ?

Answer»

`250K`
`350K`
`450K`
`500K`

SOLUTION :`PV=RT` here `V=` Constant THEREFORE `P alpha T`. i.e. `=(P)/(T)` constant
`(P_(1))/(T_(1))=(P_(2))/(T_(2))IMPLIES(P)/(T)=(P+0.4%"of" P)/(T+1)impliesT=250K`


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