Homework Help: Chemistry

Posted by Tracy on Monday, March 5, 2012 at 10:14pm.

If someone could please be kind enough to see me through this problem?

Calculate the value of Kp for the equation C(s) + CO2(g) <--> 2CO(g) Kp?

Given that at a certain temperature..
C(s) + 2H2O(g) <--> CO2(g) + 2H2(g) Kp1 = 3.03 and
H2(g) + CO2(g) <--> H2O(g) + CO(g) Kp2 = 0.637

i sq rooted the last equation: (0.637)^2 = 0.405769 and then multiplied by 3.03 = 1.2294
is that correct?

Chemistry - DrBob222, Monday, March 5, 2012 at 11:55pm
I think what you want to do is multiply equation 1 by 2 and add to equation 2. I believe that will give you the equation you want. To find the Kp value, it will be (Kp1)^2*Kp2 = ?
Chemistry - Tracy, Tuesday, March 6, 2012 at 12:01am
Hi Dr. Bob,
(3.03)^2 * 0.637 = 5.85?
What would I do with the first equation that i got?
Chemistry - Tracy, Tuesday, March 6, 2012 at 12:10am
OHH (2.567)^2*0.637 = 4.197?!

.. or was that a fail epiphany
Chemistry - DrBob222, Tuesday, March 6, 2012 at 12:43am
If I take the square root of 3.03*0.637 I don't get 4.197.
Chemistry - joe, Wednesday, March 27, 2013 at 4:44am
is this answer correct? these form need to verify is these answers are correct. ty

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