Quiz Practice (Equilibrium)

When K>1 what does the concentration is greater?

Products are greater

When K<1 what does the concentration is greater?

Reactants are greater

Assuming a constant temperature, what is true about an equilibrium constant?

Regardless of initial concentration, there will become a point where the rate of the forward reaction equals the rate of the reverse reaction

If a product is added from an equation, what will it shift to?

The right (Reactants)

If a product is removed from an equation, what will it shift to?

The left (Products)

If a reactant is removed, what will it shift to?

Will shift left (Reactants)

If a reactant is added, what will it shift to?

It will shift right (Products)

What side will favor when you decrease the pressure?

Whichever one has more moles on one side

What side will favor when you increase the pressure?

Whichever one has less moles on one side

If the reaction is endothermic, what happens when you decrease the temperature?

The reaction will shift towards the reactants

If the reaction is endothermic, what happens when you increase the temperature?

The reaction will shift towards the products

If the reaction is exothermic, what happens when you increase the temperature?

Will shift to reactants (Will decrease the reactant though)

If the reaction is exothermic, what happens when you decrease the temperature?

Will shift towards products

When the reaction is endothermic and the temp. increases, what happens to the K?

Increases

When the reaction is endothermic and the temp. decreases, what happens to the K?

Decreases

When the reaction is exothermic and the temp. increases, what happens to the K?

Decreases

When the reaction is exothermic and the temp. decreases, what happens to the K?

Increases

What does ICE stand for?

Initial

Change

Equilibrium

Q>K

Proceed towards reactants (Shift left)

Q<K

Proceeds towards products (Shift right)

What are the Factors that determine the equilibrium conditions of a system?

Concentration

Temperature (K changes)

Volume (Pressure) for gaseous systems