question_answer

The pressure and temperature of an ideal gas in a closed vessel are 720 kPa and \[40{}^\circ C\] respectively. If \[\frac{1}{4}\]th of the gas is released from the vessel and the temperature of the remaining gas is raised to \[353{}^\circ C\], the final pressure of the gas is:

A)  1440 kPa                            

B)  1920 kPa

C)  720 kPa                               

D)  540 kPa