Unit 3 review for final

Front

What is the empirical formula for C4H6?

Back

C2H3

Front

What are the products of the reaction between magnesium metal and hydrochloric acid?

Back

MgCl2 and H2

Front

What type of reaction is 2H2O2 → 2 H2O + O2?

Back

Decomposition

Front

What is the coefficient for potassium chloride in the balanced equation when potassium hydroxide reacts with barium chloride?

Back

2

Front

What is a compound that contains only carbon and hydrogen and produces CO2 and H2O when burned?

Back

Hydrocarbon

Front

Define empirical formula.

Back

The simplest whole-number ratio of atoms of each element in a compound.

Front

What is a hydrocarbon?

Back

A compound consisting only of hydrogen and carbon.

Front

What is the balanced equation for the reaction of magnesium with hydrochloric acid?

Back

Mg + 2HCl → MgCl2 + H2

Front

What is the definition of a decomposition reaction?

Back

A reaction in which a single compound breaks down into two or more simpler products.

Front

What is the significance of balancing chemical equations?

Back

To ensure the law of conservation of mass is obeyed.