College Prep Unit 4 Review

Is the following reaction balanced?

When the equation above is balanced, the coefficient for O₂ is

Is this equation balanced? 4Al + 3O₂ = 2Al₂O₃

What kind of reaction is taking place?

Balance the following reaction

This substance is present before a chemical change occurs.

If an equation is balanced properly, both sides of the equation should have the same number of

What is a decomposition reaction?

What is a synthesis reaction?