What process removes carbon dioxide from the
Atmosphere?

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.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Avoltaic cell converts chemical energy to