Good pickup line if u where a booger i would pick u first

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.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

How do cracks affect the rate of weathering?