The biggest reason that some fuels are considered nonrenewable

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.

From the perspective of an employee that effective channeling of work related information and concerns

If a star is moving toward earth, it is