Which type of change does the statement describe? Particles rearrange into new
combinations, forming new
substances.
There is no change in the chemical
properties of the substance.
Particles retain their composition
and identity.
The chemical properties of the
substance change.

1. what is boyle’s law? • state the definition of the law in words. • what are the assumptions of boyle’s law? • write at least one mathematical equation that represents the law. • what can be calculated with boyle’s law? • using a gas-filled balloon as an example, describe what is happening to the gas molecules inside the balloon before and after you squeeze it.