Test Ch 9 Chemical Reactions and Equations

Front

What is a Synthesis Reaction?

Back

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

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.

Front

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

Back

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

Front

What cannot be formed during a chemical reaction?

Back

Atoms cannot be formed; they are rearranged.

Front

What is an Exothermic Reaction?

Back

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

Front

What is an Endothermic Reaction?

Back

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

Front

What is a Decomposition Reaction?

Back

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

Front

What is a Single Displacement Reaction?

Back

A reaction where one element replaces another in a compound.

Front

What is a Double Displacement Reaction?

Back

A reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the Law of Conservation of Mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it is conserved.