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Question 1Air in a piston-cylinder device having an initial temperature of 350K, undergoes two sequential processes. In the first process, the volume reduces to half of initial state while the pressure remains constant. In the second process, the pressure increases to double of state 2 while the volume remains constant. (a) What is the final temperature (K) of the overall process? The mass, initial pressure and initial volume of air are 1kg,100kPa and 1m3, respective. (b) What is the net work done (kJ) of the overall process? (c) What is the net heat (kJ) of the overall process