Chemical Equilibrium Video Lessons

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Problem: Which situation is an example of equilibrium?A. a blade of grass slowly grows taller.B. the percentage of nitrogen gas in a room decreases steadily.C. the amount of water in a cup doesn't change.D. the amount of air in a room slowly increases.

FREE Expert Solution

Recall that a reaction reaches equilibrium when:

• once the rate of the forward reaction equals the rate of the reverse reaction
 • once at equilibrium there is 
no net change in the concentration of reactants or products


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Problem Details

Which situation is an example of equilibrium?

A. a blade of grass slowly grows taller.

B. the percentage of nitrogen gas in a room decreases steadily.

C. the amount of water in a cup doesn't change.

D. the amount of air in a room slowly increases.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Chemical Equilibrium concept. You can view video lessons to learn Chemical Equilibrium. Or if you need more Chemical Equilibrium practice, you can also practice Chemical Equilibrium practice problems.