Asked by Anonymous

They just tell me the eq pressure is 3 atm for the sample and ask for Keq.

Here's the rxn...

NH2COONH4(s) --> 2NH3(g) + CO2(g)

Choices...
A)4
B)1/27
C)4/27
D)27

Answers

Answered by DrBob222
.NH2COONH4(s) --> 2NH3(g) + CO2(g)
I..................0.........0
C.................2x.........x
E.................2x.........x

First, remember the solid doesn't enter into Keq. Second, you know , if x = pressure, that 2x + x = 3 which makes 1 = x, which means pNH3 = 2 atm and pCO2 = 1 atm.
Keq = (pNH3)^2*pCO2. Substitute and solve for K.Would that be A?
Answered by Anonymous
thanks i appreciate it
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