Match each of Earth's spheres with its definition.

Does the energy in a solid increase or decrease when changing to a liquid?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?