Warming up to Stoichiometry II:
The Adventure Continues

This assignment is due before 5 AM, Thursday, September 14th, 2000.

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I received no help from anyone on this assignment.

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.


John has suddenly become very concerned with his weight. He weighed the amount of food and drink ingested and learned that he consumes 3 pounds of food and drink a day. He weighed his stools, urine and sweat and found that he only excretes 2.2 pounds of "stuff" a day. How fast is John gaining weight? What might be wrong with his analysis?



2.

What is the balanced chemical equation for the reaction of aluminum and fluorine?





3.

Which sample weighs the most?

1 mole of fluorine

I mole of aluminum

10 moles of hydrogen

One half mole of argon

They all weigh the same amount

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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