Reaction Rates and Activation Energy Drill

Front

What happens to reaction rate if surface area is decreased?

Back

It decreases.

Front

___ are the elements and compounds that are created by a reaction.

Back

Products.

Front

The energy needed to start a reaction is called the

Back

Activation energy.

Front

What makes an effective collision?

Back

When molecules collide with proper orientation and enough kinetic energy.

Front

A catalyst is an enzyme that

Back

Speeds up the rate of a reaction and reduces the amount of energy needed for a reaction to start.

Front

What is the effect of temperature on reaction rates?

Back

Increasing temperature generally increases reaction rates.

Front

Define 'reactants'.

Back

Reactants are the starting materials in a chemical reaction.

Front

What role does a catalyst play in a chemical reaction?

Back

A catalyst lowers the activation energy required for a reaction.

Front

How does concentration affect reaction rates?

Back

Increasing concentration of reactants typically increases the reaction rate.

Front

What is the relationship between reaction rate and activation energy?

Back

Higher activation energy usually results in a slower reaction rate.