Multiple Choice
Which of the following steps is essential when solving an ICE table for a chemical equilibrium problem?
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16. Chemical Equilibrium
ICE Charts
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Calculate the reaction quotient for the reaction below where the concentrations are [SO3] = 0.500 M, [SO2] = 0.0500 M, and [O2] = 0.100 M.
2 SO3 (g) ⇆ 2 SO2 (g) + O2 (g)
A
1.0 × 10-3
B
1.0 × 10-2
C
1.0 × 101
D
1.0 × 102
E
1.0 × 103
Verified step by step guidance1
Identify the balanced chemical equation for the reaction: 2 SO3 (g) ⇌ 2 SO2 (g) + O2 (g).
Write the expression for the reaction quotient, Qc, which is based on the concentrations of the products and reactants: Qc = ([SO2]^2 * [O2]) / ([SO3]^2).
Substitute the given concentrations into the Qc expression: [SO3] = 0.500 M, [SO2] = 0.0500 M, and [O2] = 0.100 M.
Calculate the numerator of the Qc expression: ([SO2]^2 * [O2]) = (0.0500^2 * 0.100).
Calculate the denominator of the Qc expression: ([SO3]^2) = (0.500^2).
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