Use the ruler to measure the diameter of small circle. Record in Lab Data

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

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.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical