Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Chemistry

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process where reactants transform into products through the breaking and forming of chemical bonds.

2.

FLASHCARD QUESTION

Front

What is chemical equilibrium?

Back

A state in a reversible reaction where the rate of the forward reaction equals the rate of the backward reaction.

3.

FLASHCARD QUESTION

Front

What is a reversible reaction?

Back

A reaction that can proceed in both forward and backward directions.

4.

FLASHCARD QUESTION

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat from the surroundings.

5.

FLASHCARD QUESTION

Front

What is an exothermic reaction?

Back

A reaction that releases heat to the surroundings.

6.

FLASHCARD QUESTION

Front

What role does energy play in chemical reactions?

Back

Energy helps in the formation and breaking of bonds and increases the chances of reactants colliding.

7.

FLASHCARD QUESTION

Front

What is carbonic acid used for?

Back

To remove excess carbon dioxide from the bloodstream and to form carbonated drinks.

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