• # question_answer In order to increase the temperature of the gas filled in a closed vassel by ${{0.5}^{o}}C$its pressure is increased by 2%. The initial temperature of the gas is :- A)  $400\text{ }K~$B)  $250\text{ }K$C)  $25\text{ }K$             D)  $-248\text{ }K$

Solution :

Closed vessel V= const.      $\therefore$   $P\propto T$ so $T=\frac{\Delta T}{(\Delta P/P)%\,}K$ $T=\frac{0.5}{2}\times 100\,K=25\,K$

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