Warming up to Thermochemistry

This assignment is due before 5 AM, Thursday, September 28th, 2000.

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The following three questions refer to the material you were to read in preparation to the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle.

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 5 points each lecture day towards your "WWW Exercises" score.




1.


Is the boiling of water an exothermic or endothermic process? Please explain.



2.

If you wanted to keep a soda cold, would you wrap it in wool or aluminum foil? Why?





3.

A system gains energy if

The system is compressed.


The products are more stable than the reactants.


Chemical bonds are formed.


It's change in temperature is negative.


All 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.

I received no help from anyone on this assignment.



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