Chemical Equilibrium (Lesson)

Chemical Equilibrium (Summary)

By RUSSEL BERADOR

Multiple Choice

Q. 

This symbol indicates that a reaction is _____

• reversible

• endothermic

• irreversible

• exothermic

Multiple Choice

During equilibrium, the rates of the forward and the reverse reactions are ________

• equal

• constant

• slow

• fast

Multiple Choice

 

In a reversible chemical reaction, what is equal when the reaction is at equilibrium?

• concentration of reactants and concentration of products

• activation energy of reactants and activation energy of products

• potential energy of reactants and potential energy of products

• rate at which reactants are formed and rate at which products are formed

Multiple Choice

If a reaction is reversible and has reached equilibrium, what can be said about the amounts of reactants and products?

• They are equal!

• The amount of reactants is greater than the amount of products!

• They are constant!

• The amount of products is greater than the amount of reactants!

Multiple Choice

Q. 

How can the system pictured reach a state of equilibrium?

• Add more reactants

• Close the container

• Add more products

• Add a catalyst