Unit 13 Equilibrium Concepts

A reaction that once the products are formed they can make the reactants back agian is called.....

• A reversible reaction

• An equilibrium

• A backwards reaction

• A Thermodynamic reaction

Tags

NGSS.HS-PS1-6

What happens to the concentrations of reactants and products when a reaction reaches an equilibrium?

• The concentrations remain constant

• The concentrations are equal

• The concentrations are the same

• The concentrations are equal and constant.

Tags

NGSS.HS-PS1-6

This symbol indicates that a reaction is ____________

• reversible
• irreversible

Tags

NGSS.HS-PS1-6

What happens to the rate of the forward reaction compared to the rate of the reverse reaction when a reaction reaches an equilibrium?

• The rates remain constant

• The rates are equal

• The rate are the same

• The rates are equal and constant.

Tags

NGSS.HS-PS1-6

When you add more reactant to a reaction that is at equilibrium, what happens ?

• The forward rate decreases and will have to increase to reach equilibrium again.

• The reverse rate increases and will have to decrease to reach equilibrium again.

• The forward rate increases and will have to decrease to reach equilibiurm again

• The reverse rate decreases and will have to increase to reach equilibrium again.

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

When you add more products to a reaction that is at equilibrium, what happens ?

• The forwared rate decreases and will have to increase to reach equilibrium again.

• The reverse rate increases and will have to decrease to reach equilibrium again.

• The forward rate increases and will have to decrease to reach equilibiurm again

• The reverse rate decreases and will have to increase to reach equilibrium again.

Tags

NGSS.HS-PS1-6

NGSS.HS-PS1-5

When you remove products from a reaction that is at equilibrium, what happens ?

• The forwared rate decreases and will have to increase to reach equilibrium again.

• The reverse rate increases and will have to decrease to reach equilibrium again.

• The forward rate increases and will have to decrease to reach equilibiurm again

• The reverse rate decreases and will have to increase to reach equilibrium again.

Tags

NGSS.HS-PS1-6

When you remove reactants from a reaction that is at equilibrium, what happens ?

• The forwared rate decreases and will have to increase to reach equilibrium again.

• The reverse rate increases and will have to decrease to reach equilibrium again.

• The forward rate increases and will have to decrease to reach equilibiurm again

• The reverse rate decreases and will have to increase to reach equilibrium again.

Tags

NGSS.HS-PS1-5

What is the equilibirum expression for the following reaction?

4 NH3 (g) + 3 O2 (g) <--> 2 N2 (g) + 6 H2O(g)

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Tags

NGSS.HS-PS1-6

What is the equilibirum expression for the following reaction?

2 N2 (g) + 6 H2O(g) <--> 4 NH3 (g) + 3 O2 (g)

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