Dynamic Equilibrium

Define dynamic equilibrium (2)

• Reaction occurs in one direction

• Reaction occurs in both directions

• Reaction happens at the same time and the same rate

• Reaction happens at the same time but different rate

When the temperature of the Haber process is increased, what happens to the yield of ammonia?

• No change

• Increases

• Decreases

Tags

NGSS.HS-PS1-5

When the pressure of the Haber process is increased, what happens to the yield of ammonia?

• No change

• Increases

• Decreases

If the forward reaction of an equilibrium is exothermic, how can the yield be increased?

• It cannot be changed

• Increase the temperature

• Decrease the pressure

• Decrease the temperature

Tags

NGSS.HS-PS1-6

The pattern shown in this graph best depicts

• a positive relationship

• a negative relationship

• no relationship

• dynamic equilibrium

Tags

NGSS.HS-LS2-6

The dotted line in the image represents

• the carrying capacity range for the given population

• extinction

• the birth rate

• the death rate

Tags

NGSS.HS-LS2-1

This symbol indicates that a reaction is _____

• reversible

• irreversible

Tags

NGSS.HS-PS1-6

Which of the two graphs reaches equilibrium?

• Neither

• The left

• Both

• The right

Select all of the statements that are always correct about dynamic equilibrium

• established when the product and reactant concentrations are equal

• achieved when the forward and reverse reaction rates are same

• established when the concentration of reactants is unchanging

• achieved when the concentration ratio of reactants to products becomes stable

• achieved when the forward and reverse reactions stop occurring

Given the equation representing a reaction:

N₂O_4(g) ⇌ 2NO_2(g)

Which statement describes this reaction at equilibrium?

• The concentration of N₂O₄(g) must equal the concentration of NO₂(g).

• The concentration of N₂O₄(g) and the concentration of NO₂(g) must be constant.

• The rate of the forward reaction is greater than the rate of the reverse reaction.

• The rate of the reverse reaction is greater than the rate of the forward reaction.