A)Explain with an example each of the following :a) An adiabatic process .(2 marks)b) An isochoric process.(2 marks)c) Isothermal process.(2 marks)d) Systems and surroundings.( 2 marks)e) Closed system and isolated system.( 2 marks)B)One mole of a diatomic gas at 300k and 5 atm expands to 1 atm. Assuming ideal behavior, calculate w, q, ?E and ?H if the expansion carried out was adiabatic and reversible.Given CV=20.9JK-1mol-1Cp=29.9JK-1mol-1 (20 marks)