This assignment is due before 9 AM, Wednesday, November 28^th, 2007.

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WarmUp questions are worth 4 points each towards your "WarmUps" score (100 points total).

1.

For an ideal gas, the change in internal energy is given by U = nC_VT for any process. Please explain how this can be true for processes that are not isochoric.

2.

One mole of an ideal gas is placed in a copper cylinder and piston setup. The piston is slowly pushed down until the pressure has doubled. This process is best described as

Isothermal

Adiabatic

Isochoric

Constant energy

Isobaric

both a and c

both a and d

both b and d

3.

If a process is closed (system returns to its original state) Which of the following are zero?

The work done by the system

The work done on the system

The heat added to the system

The change in energy of the system

All of the above

None of the above

4.

You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.