# Problem: A reaction vessel at 27 °C contains a mixture of SO2 (P = 3.10 atm) and O2 (P = 1.10 atm). When a catalyst is added the reaction 2SO2 (g) + O2 (g) ⇌ 2SO3 (g) takes place. At equilibrium the total pressure is 3.95 atm. Find the value of Kc. Express your answer using two significant figures.

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###### FREE Expert Solution

84% (416 ratings)
###### Problem Details

A reaction vessel at 27 °C contains a mixture of SO2 (P = 3.10 atm) and O2 (P = 1.10 atm). When a catalyst is added the reaction

2SO2 (g) + O2 (g) ⇌ 2SO3 (g) takes place.

At equilibrium the total pressure is 3.95 atm.

Find the value of Kc. Express your answer using two significant figures.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Chemical Equilibrium concept. You can view video lessons to learn Chemical Equilibrium. Or if you need more Chemical Equilibrium practice, you can also practice Chemical Equilibrium practice problems.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Hershberger-Kilyanek's class at UARK.