Reaction Rate

In standard conditions data for line B was recorded. If we run the reaction again with reactants at lower concentrations, which line of data would likely be recorded?

• A

• B, again

• C

• No reaction occurs

Tags

NGSS.HS-PS1-5

which factor that affect reaction rate is represented?

• Temperature

• Catalyst

• Surface Area

• Concentration

Tags

NGSS.HS-PS1-5

Indicate whether each of the following will: Increase / Decrease / have No effect on the rate of reaction.

 

                Increasing temperature

              

• Increase

• Decrease

• No Effect

Tags

NGSS.HS-PS1-5

Indicate whether each of the following will: Increase / Decrease / have No effect on the rate of reaction.

• Increase

• Decrease

• No Effect

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

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

As concentration increases, reaction rate .......

• Increases

• decreases

Tags

NGSS.HS-PS1-5

Which of the following is true about reaction rates?

• increase as temperature decreases

• decrease when a catalyst is added

• increase as surface area increases

• decreases as reactant concentration increases

Tags

NGSS.HS-PS1-5

If the concentration of a reactant is increased, what is the effect on the rate of reaction?

• The rate of reaction decreases.

• The rate of reaction increases.

• The rate of reaction remains unchanged.

• The reaction stops.

Tags

NGSS.HS-PS1-5