1. whenever johnny takes his puppy for a walk, he puts on a green baseball hat. he noticed that one day when he reached for the green hat; his puppy ran door and nudged at his leash. which type of conditioning: support for your choice:

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.