Balancing and Types of Reactions Practice

Front

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

Back

Combustion

Front

What are the correct coefficients for the balanced reaction: C₂H₄ + O₂ → CO₂ + H₂O?

Back

2, 1, 1, 2

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another in a compound.

Front

What is a double replacement reaction?

Back

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

Front

What do the red numbers in a chemical equation represent?

Back

Coefficients, which indicate the number of molecules involved in the reaction.

Front

Define synthesis reaction.

Back

A reaction where two or more substances combine to form a new compound.

Front

Define decomposition reaction.

Back

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

Front

What is the general form of a combustion reaction?

Back

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

Front

What is the law of conservation of mass?

Back

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

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.