Charles discovered that volume divided by temperature equals a , as long as pressure remains the same.

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

This is a mixture that has the same composition throughout.

2. how is heavy water different from normal water