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What are the entries in the Change row?

Answer:

A_(g) + BC_(g) ---> AB_(g) + C_(g)

Experiment #6	[A]	[BC]	[BC]	[C]
Initial	4.0	3.2	0	0
Change				+2.8
Equilibrium				2.8

Since we know the change for C the change for A, BC and AB can be calculated. Using the stoichiometry from the balanced chemical equation;

Experiment #6	[A]	[BC]	[BC]	[C]
Initial	4.0	3.2	0	0
Change	-2.8	-2.8	+2.8	+2.8
Equilibrium				2.8

The equilibrium amounts can now be calculate. Answer.

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