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04 Question (1 point) A reaction vessel contains an equilibrium mixture of SO2, O2, and SO3. The reaction proceeds such that:
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Step 1: Explanation

Kp is the equilibrium constant calculated from the partial pressures of a reaction equation. It is used to express the relationship between product pressures and reactant pressures

Step 2: Write the balanced the chemical equation

2SO2 (g) + O2(g) <--------------> 2SO3(g)

Given, PSO2 =0.001915 atm , PO2 = 0.001111 atm , PSO3 = 0.0166 atm

Step 3: Calculation of KP

2SO2 (g) + O2(g) <--------------> 2SO3(g)

we know, The Kp expression can be written as

Kp = P2SO3 / ( P2SO2  × PO2 )

on substituting the values of partial pressure

=> Kp = ( 0.0166 )2 / ( (0.001915 )2 × 0.001111 ) = 6.76  × 104 [ exact value = 6.763392017 × 104 ]

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