[CHM 112] Test question

[Andrew J. Pounds]

On 07/25/13 16:37, Mary Caroline Logan wrote:
> On exam three, multiple choice question 1: what is the formula you used to find the answer?
>
> Caroline Logan
So -- to put the two equations together so that they equal the given 
reaction you have to reverse the first reaction and divide it by two and 
then divide the second reaction by two before you add them both together.

That means that to combine the equilibrium constants for the two 
reactions you have to do the following.

 1. Take the square root of the inverse of the first reaction
 2. Take the square root of the second reaction
 3. Multiply the two together.

$\sqrt{1/2.3\times 10^{-7}} \sqrt{1.4\times 10^{-3}}$ = 78

Look at table 15.2 and the sample problems in that section if you need 
further assistance with these.


-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627
http://faculty.mercer.edu/pounds_aj

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