Factors Affecting Reaction Rates

Front

What does concentration mean?

Back

The amount of substances in a confined space.

Tags

NGSS.HS-PS1-5

Front

Which of the following is NOT a factor that affects the rate of a chemical reaction?

Back

Color of reactants.

Front

The rate of a reaction increases as temperature ______________.

Back

Increases.

Tags

NGSS.HS-PS1-5

Front

If something has a high surface area, what does that mean for the amount of collisions it can have?

Back

High surface area means more collisions.

Front

What is the effect of temperature on reaction rates?

Back

Increasing temperature generally increases reaction rates.

Tags

NGSS.HS-PS1-5

Front

How does particle size affect reaction rates?

Back

Smaller particle size increases the surface area, leading to more collisions and faster reactions.

Front

What is the relationship between concentration and reaction rate?

Back

Higher concentration of reactants typically leads to an increased reaction rate.

Tags

NGSS.HS-PS1-5

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed in the process.

Tags

NGSS.HS-PS1-5

Front

What is the effect of pressure on gas reactions?

Back

Increasing pressure can increase the reaction rate for gaseous reactants.

Front

Define activation energy.

Back

The minimum energy required for a chemical reaction to occur.

Tags

NGSS.HS-PS1-4