Balancing Chemical Equations and Types of Reactions

Front

What does the Law of Conservation of Matter state?

Back

The total mass of the reactants in a chemical reaction is equal to the mass of the products.

Front

What type of reaction is represented by the equation C7H16 + 10 O2 → 7 CO2 + 8 H2O?

Back

Combustion.

Front

How does heating reactants affect a chemical reaction?

Back

Heating reactants usually makes the reaction happen faster.

Front

What does the arrow in a chemical equation represent?

Back

The arrow indicates 'yields' or the direction of the reaction.

Front

What type of reaction is represented by the equation C2H4 + 3 O2 → 2 CO2 + 2 H2O?

Back

Combustion.

Front

Define a synthesis reaction.

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

Define a decomposition reaction.

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single displacement reaction?

Back

A single displacement reaction is a type of reaction where one element replaces another element in a compound.

Front

What is a double displacement reaction?

Back

A double displacement reaction is a type of reaction where the ions of two compounds exchange places in an aqueous solution to form two new compounds.

Front

What is the general form of a combustion reaction?

Back

A combustion reaction typically involves a hydrocarbon reacting with oxygen to produce carbon dioxide and water.