Which statement describes what will most likely occur when warm air cools and the temperature drops to the point?
A. air will contain more water vapor. B. Dew will form on leaves C. clouds will disappear. D. Water vapor in the air will evaporate

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.

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false

Mixing salt in water is an example of physical change