Factors of Rate of Reaction

The rate of a reaction increases as temperature__________________.

• Decreases

• Increases

• Stays the Same

Tags

NGSS.HS-PS1-5

A ______________ is a substance that increases the rate of a reaction without being used up during the reaction. 

• catalyst

• product

• reactant

• solute

Tags

NGSS.HS-PS1-5

Smaller particle size allows for a _________ surface area to be exposed for the reaction.

• larger

• smaller

Increasing the temperature will increase the kinetic energy of particles, therefore increasing the collisions between particles.

• false

• true

Tags

NGSS.HS-PS1-5

which factor that affect reaction rate is represented?

• Temperature

• Catalyst

• Surface Area

• Concentration

Tags

NGSS.HS-PS1-5

Which of the following factors does NOT affect the rate of a chemical reaction?

• Temperature

• Concentration of reactants

• Color of reactants

• Surface area of reactants

Tags

NGSS.HS-PS1-5

How does increasing the temperature generally affect the rate of a chemical reaction?

• It decreases the reaction rate.

• It has no effect on the reaction rate.

• It increases the reaction rate.

• It stops the reaction.

Tags

NGSS.HS-PS1-5

What effect does increasing the concentration of reactants have on the rate of reaction?

• It decreases the rate of reaction.

• It has no effect on the rate of reaction.

• It increases the rate of reaction.

• It stops the reaction.

Tags

NGSS.HS-PS1-5

The ___________ the surface area of the reactants, the faster the reaction rate.

• larger 

• smaller

Tags

NGSS.HS-PS1-5

Which factors increase the rate of a reaction.

• increasing temperature

• increasing concentration

• increasing surface area

• all of these

Tags

NGSS.HS-PS1-5