The mass of the ocean is about 1.8 x 10^21 kg. if the ocean contains 1.076% sodium ion, na+, what is the mass in kilograms of sodium in the ocean?

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

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

When a septic tank backs up a goes in to clean it out