TEST - Identify and Balance

Front

In a chemical reaction, everything to the right of the arrow is called _____________.

Back

Products

Front

Which of the following is an example of a decomposition reaction? 2NaF ⟶ 2 Na + F2, P2O5 + 3 H2O ⟶ 2H3PO4, 2FeCl3 + 3Zn ⟶ 2Fe + 3ZnCl2, C6H12O6 + 6O2 ⟶ 6CO2 + 6 H2O

Back

2NaF ⟶ 2 Na + F2

Front

What class of reaction best describes the equation below? CH4 + O2 ⟶ CO2 + H2O

Back

Combustion

Front

Which of the following is an example of a single replacement reaction? 2NaF ⟶ 2 Na + F2, P2O5 + 3 H2O ⟶ 2H3PO4, 2FeCl3 + 3Zn ⟶ 2Fe + 3ZnCl2, C6H12O6 + 6O2 ⟶ 6CO2 + 6 H2O

Back

2FeCl3 + 3Zn ⟶ 2Fe + 3ZnCl2

Front

The substances at the beginning of a chemical equation are called _____________.

Back

Reactants

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the law of conservation of mass?

Back

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

Front

Define a synthesis reaction.

Back

A reaction where two or more reactants combine to form a single product.

Front

What is a double replacement reaction?

Back

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

Front

What is the general form of a combustion reaction?

Back

A hydrocarbon reacts with oxygen to produce carbon dioxide and water.