Unit 6 Test Review Flashcardizz

Front

What is activation energy?

Back

The minimum amount of energy needed for a reaction to potentially occur.

Front

What type of reaction is characterized by the release of energy?

Back

Exothermic.

Front

In an exothermic reaction, how does the energy of the products compare to the reactants?

Back

The products have less energy than the reactants.

Front

What is a reverse reaction?

Back

The reaction that forms reactants from products.

Front

What is a forward reaction?

Back

The reaction that forms products from reactants.

Front

Define an endothermic reaction.

Back

A reaction that absorbs energy from its surroundings.

Front

What is the role of a catalyst in a chemical reaction?

Back

A catalyst lowers the activation energy needed for a reaction to occur.

Front

What happens to energy in an exothermic reaction?

Back

Energy is released into the surroundings.

Front

What is the difference between reactants and products?

Back

Reactants are substances that undergo change, while products are the substances formed as a result of the reaction.

Front

What is a chemical reaction?

Back

A process that involves the transformation of substances through breaking and forming chemical bonds.