The gas in a vessel is subjected to a pressure of `20` atmosphere at a temperature `27^(@)C`. The pressure of the gas in the vessel after one half of the gas is released from the vessel and the temperature of the remainder is raised by `50^(@)C` is

Options

A. `8.5 atm`
B. `11.7 atm`
C. `17 atm`
D. `10.8 atm`

Answer

B

Explanation

`PV = (m)/(M)RT, P prop mT , (P_(1))/(P_(2)) = (m_(1))/(m_(2)) xx (T_(1))/(T_(2))`