A gas is contained in a 500 mL cylinder, the temperature is 300K and the pressure is 5 atmospheres. The cylinder expands instantly to 2L (adiabatic) With the adiabatic compression equation, you can use either specific volume; 11 = or the total volume ; 11 = . (The total number of moles remain the same, so ( ) = .) Calculate the temperature and the pressure after the expansion. polytropic coefficient = 1.38. If expansion is done isothermally, calculate the final pressure.