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What are the entries in the Change row?

Answer:

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

Experiment #2	[A]	[BC]	[BC]	[C]
Initial	4.0	4.0	0	0
Change	-3.2	-3.2	+3.2	+3.2
Equilibrium	0.8	0.8	3.2	3.2

Notice the change corresponds to the stoichiometric coefficients in the balanced chemical equation

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