A sample of iron(II) sulfate was heated in an evacuated container to 920 K, where the following reactions occurred: 2FeSO4(s) ⇌ Fe2O3(s) + SO3(g) + SO2(g) SO3(g) ⇌ SO2(g) + ½O2(g) After equilibrium is reached the total pressure is 0.836 atm and the partial pressure of O2 was 0.0275 atm. Calculate Kp for each individual reaction from above and Kp for the overall process.

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A sample of iron(II) sulfate was heated in an evacuated container to 920 K, where the following reactions occurred:


2FeSO4(s) ⇌ Fe2O3(s) + SO3(g) + SO2(g)
SO3(g) ⇌ SO2(g) + ½O2(g)


After equilibrium is reached the total pressure is 0.836 atm and the partial pressure of O2 was 0.0275 atm.


Calculate Kp for each individual reaction from above and Kp for the overall process.

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