Reaction Quotient

The equation of the forward reaction for this equilibrium expression is…

• 6A + B ⇋ C + 4D

• C + D4 ⇋ A₆ + B

• A₆ + B ⇋ C + D₄

• C + D ⇋ 6A + B

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

If the reaction quotient is greater than the equilibrium constant, then…

• the system shifts to the right and more products are formed. 

• the system shifts to the right and more reactants are formed. 

• the system shifts to the left and more reactants are formed. 

• the system shifts to the left and more products are formed. 

The concentrations in a mixture of the above gases at 100℃, are [SO2] = 0.4 M, [O2] = 0.4 M and [SO3] = 0.4 M. Determine the new K and the statement that aligns with this value.

• The forward reaction needs to occur more than the back reaction to reach equilibrium.

• This reaction mixture is at equilibrium.

• The back reaction needs to occur more than the forward reaction to reach equilibrium.

• The back reaction will stop until equilibrium is reached.

Tags

NGSS.HS-PS1-5

If the reaction quotient (Q) is less than the equilibrium constant (K), what will happen to the system?

• The system will shift to the right, forming more products.

• The system will shift to the left, forming more reactants.

• The system will remain at equilibrium.

• The system will decompose into its elements.

Which of the following statements is true about the reaction quotient (Q)?

• Q is always equal to the equilibrium constant (K).

• Q is used to predict the direction of a reaction.

• Q is only applicable to gaseous reactions.

• Q is a measure of the rate of reaction.

In a chemical reaction, if Q = K, what does this indicate?

• The reaction is at equilibrium.

• The reaction will proceed in the forward direction.

• The reaction will proceed in the reverse direction.

• The reaction has stopped completely.

Tags

NGSS.HS-PS1-6

How is the reaction quotient (Q) calculated for the reaction @@ ext{aA} + ext{bB} ightleftharpoons ext{cC} + ext{dD}@@?

What does a reaction quotient (Q) greater than the equilibrium constant (K) signify in a chemical reaction?

• The reaction will shift to the right, forming more products.

• The reaction will shift to the left, forming more reactants.

• The reaction is at equilibrium.

• The reaction will speed up.

Which of the following is NOT a factor that affects the reaction quotient (Q)?

• Concentration of reactants and products

• Temperature

• Pressure

• Catalyst presence

• Q increases

• Q decreases

• Q remains the same

• Q becomes zero

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6