Warming up to Chemical Reactivity II:
Acid and Heavy Metal

This assignment is due before 5 AM, Tuesday, September 26th, 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.


When Alka Selzer is placed in pure water it fizzes. Why? What is the identity of the gas?



2.

Which element was likely to be the first to be discovered? Why? Why the heck is Dr. Blake asking this?





3.

Which of the following is the condition for neutralization for the reaction of acetic acid and calcium hydroxide?

Moles acetic acid equals moles of calcium hydroxide


Moles of hydronium equals moles of hydroxide


The pH of the solution equals 7.00


The methyl red indicator changes color


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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