Test Ch 9 Chemical Reactions and Equations

Test Ch 9 Chemical Reactions and Equations

Assessment

Flashcard

Chemistry

8th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a Synthesis Reaction?

Back

A type of chemical reaction where two or more substances combine to form one new compound.

2.

FLASHCARD QUESTION

Front

Can you change the subscript in a chemical equation when balancing it?

Back

No, you cannot change the subscript; only coefficients can be changed.

3.

FLASHCARD QUESTION

Front

What determines the mass of the products in a chemical reaction?

Back

The mass of the reactants determines the mass of the products.

4.

FLASHCARD QUESTION

Front

What cannot be formed during a chemical reaction?

Back

Atoms cannot be formed; they are rearranged.

5.

FLASHCARD QUESTION

Front

What is an Exothermic Reaction?

Back

A reaction that releases energy, resulting in products with less energy than the reactants.

6.

FLASHCARD QUESTION

Front

What is an Endothermic Reaction?

Back

A reaction that absorbs energy, resulting in products with more energy than the reactants.

7.

FLASHCARD QUESTION

Front

What is a Decomposition Reaction?

Back

A type of reaction where one compound breaks down into two or more simpler substances.

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