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April 24, 2014

Homework Help: AP CHEMISTRY

Posted by DAN on Monday, March 19, 2012 at 8:42pm.

I really need this please!!!!!!! :

write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K.
(a) NaHCO3(s)<--> NaOH(s) + CO2(g)
Answer: Keq = PCO2

(b)Value of the Equilibrium Constant:

Please help me find B


........ deltaHf(KJ/mol)...... d.Gf(KJ/mol)..... d.S(J/mol-K)

NaHCO3(s) -947.7...... -851.8 ......... 102.1
NaOH(s).. -425.6 ...... -379.5 ........ 64.46
CO2(g) .. -393.5 ...... -394.4 ........ 213.6

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