Calculate the equilibrium pressure of CO2 in the system at the following temperatures. (a) 260°C  atm (b) 430°C atm Note: To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by

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Chapter17: Spontaneity, Entropy, And Free Energy
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Problem 78E: Consider the following reaction at 298 K: 2SO2(g)+O2(g)2SO3(g) An equilibrium mixture contains O2(g)...
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Consider the reaction shown below.

PbCO3(s)  PbO(s) + CO2(g)


Calculate the equilibrium pressure of CO2 in the system at the following temperatures.

(a) 260°C  atm
(b) 430°C atm

Note: To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation

G0 = H0 - TS0

For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K

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