P. 4079. There is a sample of neon in a cylinder which is closed by a piston. The gas is compressed such that its volume decreased to two-thirds of the original volume. The p, V graph of the process is a straight line segment. In the final state the pressure of the gas is twice as much as it was originally.
a) By what factor did the absolute temperature of the gas increased?
b) How much thermal energy was absorbed by the gas from its environment?
c) How can this process be realized?
P. 4081. A neutral and a charged capacitor which have the same capacitance are connected in parallel.
a) To what fraction of the original energy does the total energy of the system decrease, after connecting the condensers?
b) What happens to the ``lost energy''?
c) What is the correct answer to the previous question if all the conductors are superconductors.