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Question: Air is filled at 60<sup>0</sup> C in a vessel of open mouth. The vessel is heated to a temperature T...

Air is filled at 600 C in a vessel of open mouth. The vessel is heated to a temperature T so that 1/4 th part of air escapes. Assuming the volume of the vessel remaining constant, the value of T is -

A

80 0C

B

4440C

C

333 0C

D

171 0C

Answer

171 0C

Explanation

Solution

PV=nRT\begin{matrix} PV = nRT \end{matrix} Ž T µ 1m\frac{1}{m} Ž T1T2\frac{T_{1}}{T_{2}} = m2m1\frac{m_{2}}{m_{1}}

T = 444 K = 1710C