Unit 13 - Kinetics and Equilibrium

Add a ___________ to a reaction if you want to increase the rate at which the reaction is taking place.

• catalyst

• inhibitor

• preservative

• activated complex

Tags

NGSS.HS-PS1-5

If the temperature is reduced, a reaction rate will ______

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS1-5

When you increase the temperature of a reaction, it increases the molecules __________

• potential energy

• kinetic energy

• number of collisions

• kinetic energy AND number of collisions

Tags

NGSS.HS-PS1-5

If the concentration of a reactant is increased, the reaction rate will ___________.

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS1-5

The ____________ states that atoms, ions, or molecules must collide in order to react.

• transition state

• activation energy

• rate law

• collision theory

5g of caffeine powder will take effect more quickly than a 5g caffeine pill because it has more __________.

• concentration

• potential energy

• kinetic energy

• surface area

Tags

NGSS.HS-PS1-5

When does chemical equilibrium occur?

• no forward or reverse reaction occurs

• the forward and reverse reaction occur at different rates

• the forward and reverse reaction rates are the same

• the moles in the forward reaction equal the moles in the reverse reaction

We know that an equation shows a reaction at equilibrium when ___________.

• it has a one sided arrow

• it has (aq) in it

• it has a double sided arrow

• it is balanced with the same amount of moles on both sides

When you add a reactant, the equilibrium shifts

• left

• right

When you remove a product, the reaction shifts

• left

• right