Polytropic expansion according to P¹.² is encountered by a gas in pisto-cylinder from a pressureof 15MPa and an initial volume of 0.25m³ to a volume of0.3m³. Take the characteristics gas constant as 0.287.K and the specific heat capacity at constant volume as 0.717.K. Calculate each of the following: a. Pressure after compression b. Work done c. Ratio of T2T1 d. Assume a mass of 1 e. Determine each of the following f. T1 and T2 g. Internal energy h. Heat energy