A Mixture of 0

question 45

Multiple Choice

A mixture of 0.500 mole of carbon monoxide and 0.400 mole of bromine was placed into a rigid 1.00-L container and the system was allowed to come to equilibrium. The equilibrium
Concentration of COBr₂ was 0.233 M. What is the value of Kc for this reaction?
CO(g) + Br₂(g) COBr₂(g)

• A) 5.23
• B) 1.22
• C) 1.165
• D) 0.858
• E) 0.191

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Definitions:

Quantity Variance

A measure of the difference between the expected and actual quantities used in production, affecting materials or labor.

Overhead Absorbed

The overhead rate multiplied by standard units of volume.

Direct Labor Hours

The total amount of time spent by employees directly involved in manufacturing products or providing services.

Overhead Volume Variance

The flexible budget at standard volume less the overhead applied. It is an estimate of the unused or overused fixed plant capacity.