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Physics 416: WarmUp Exercises

...Temperature Changes

This assignment is due before 10 AM, Wednesday, February 16th, 2000.

Please type LAST name:

Please type your LAST NAME and LAST FOUR SS# digits (eg: Smith3256):

I received no help from anyone on this assignment.

The following questions refer to the material you were to read in preparation to the lesson. Each question requires you to write a paragraph or two in response.

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




1.


The graph shows a process in which 1 mole of "substance X" is heated from an initial temperature T0 to a final temperature T1. The independent variable in the graph is Q, the heat absorbed.

Over the temperature range shown, is the specific heat of "substance X" a constant? If it is not constant, where is the specific heat highest, at TA or TB?



2.

Estimate the change in entropy when you heat a cup of tea from room temperature to its boiling point.





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.

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