You have developed a machine to convert matter in to energy at a perfect rate. You have a 3kg sphere you are going to test the machine on. How much energy would you expect to be generated? Show all work for full credit.

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.

Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging

If you let go of the notebook after lifting it, will it move? how?