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Chemical Reactions and Equations

Chemical Reactions and Equations

Assessment

Flashcard

Biology

11th Grade

Practice Problem

Hard

Created by

Lauren Cochrane

FREE Resource

Student preview

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30 questions

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1.

FLASHCARD QUESTION

Front

Chemical reactions occur when molecules become new molecules through the breaking and reforming of chemical bonds between atoms.

Back

Chemical bonds are broken and formed during reactions.

2.

FLASHCARD QUESTION

Front

Products are the molecules on the right side of the arrow, which are the new substances formed from the reaction.

Back

They are the substances produced in a chemical reaction.

3.

FLASHCARD QUESTION

Front

Diagram showing a chemical equation with reactants, products, and coefficients.

Back

4.

FLASHCARD QUESTION

Front

Activation energy is the initial amount of energy needed for a chemical reaction to occur.

Back

Activation energy is crucial for initiating reactions.

5.

FLASHCARD QUESTION

Front

Reactions with high activation energies occur slowly.

Back

These reactions require more energy to proceed.

6.

FLASHCARD QUESTION

Front

Lowering activation energy makes the reaction occur more easily and thus go faster.

Back

Effect of lowering activation energy

7.

FLASHCARD QUESTION

Front

The reactant an enzyme binds to is called the substrate.

Back

The reactant an enzyme binds to is known as the enzyme’s substrate.

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