Home

WarmUp

What is Physics Good For?

Warming up on... More thermodynamic processes

This assignment is due before 10 AM, Wednesday, November 30^th, 2011.

Please type your last name and first initial (e.g., Gavrin, A):

Please type a nickname: (in case your answer gets used in class).

The following questions refer to the material you read in preparation for class. Please write a three or four sentence response to each of the questions.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT HOMEWORK button at the bottom of this page.

WarmUp assignments are worth 4 points each (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.

A hand bicycle pump must compress air from atmospheric pressure to the pressure inside the tire (usually 5 or 6 atmospheres). Please estimate the temperature of the air as it enters the tire.

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

Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?

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

This site is made possible by funding from the National Science Foundation (DUE-9981111).

This assignment is due before 10 AM, Wednesday, November 30th, 2011.

1.

2.

3.

This assignment is due before 10 AM, Wednesday, November 30^th, 2011.