Question

Which changes to matter are described by the law of conservation of mass? (1 point) Responses All physical and chemical changes, including changes that involve gases All physical and chemical changes, including changes that involve gases Only chemical changes, not physical changes Only chemical changes, not physical changes Most changes, but not chemical changes that involve gases. Most changes, but not chemical changes that involve gases. Only physical changes, not chemical changes

Answer 1

The correct response is: All physical and chemical changes, including changes that involve gases.

The law of conservation of mass states that mass is neither created nor destroyed in a closed system during any physical or chemical change. This applies to all types of changes, including those involving gases.