A phase of the moon is shown below. Which pair of diagrams shows the moon's phase immediately before and immediately after this phase?

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

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.

First to answer will be the brainliest i need the answer asap