Balancing Reactions and Identifying reaction types

Front

What are the correct coefficients for the balanced equation: ?

Back

2, 1, 2, 1

Front

What do the blue numbers in a chemical formula represent?

Back

Subscripts

Front

What is an example of a single replacement reaction?

Back

A + BC → AC + B

Front

Why must the number of atoms on either side of the arrow be equal in a chemical equation?

Back

To abide by the law of conservation of mass.

Front

What type of reaction is Al + O2 → Al2O3?

Back

Synthesis

Front

Define a chemical reaction.

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a synthesis reaction?

Back

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

Front

What is a decomposition reaction?

Back

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

Front

What is a combustion reaction?

Back

A reaction that involves the burning of a substance in the presence of oxygen.