What is "equal" in a chemical equilibrium?

Answer 1

The rate of the forward reaction as compared to the rate of the reverse reaction.

The generalized equilibrium is as follows:

#A+BrightleftharpoonsC+D#

We currently have a forward rate.

#k_f[A][B]#, and a rate backwards, #k_r[C][D]#.

At what point does chemical equilibrium occur?

#"rate forward "-=" rate backwards"#,
i.e. #([C][D])/([A][B])=k_f/k_r=K_"eq"#.
#K_"eq"# is the thermodynamic equilibrium constant, WHICH must be measured for a given reaction, and for a given temperature.
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Answer 2

In a chemical equilibrium, "equal" refers to the state where the rates of the forward and reverse reactions are balanced, meaning the concentrations of reactants and products remain constant over time.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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