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Calculating Equilibrium Constants

Equilibrium constants are known for the following reactions
S(s) + (3/2) O2(g) =SO3(g)
Ksubletterc =9.2 x 10^23
SO3(g) = SO2(g) + (1/2)O2(g)
Kc= 4.8 x 10^-4
Thus for the reaction
S(s)+O2(g) = SO2(g)

Kc = ____________

Please show work

= is actually two arrows pointing opposite each other

Solution Preview

Add up the 1st 2 reactions...

S + (3/2)O2 + SO3 --> SO3 + SO2 + 1/2 O2.... (EQUATION 1)

You can see that certain things will subtract out ...

Solution Summary

The solution involves calculations for equilibrium constants.

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