What happens when you mix an aqueous solution of sodium nitrate with an aqueous solution of barium chloride?

Compare and contrast physical changes with chemical changes.

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds