Calculate the molar mass of caffeine, C8H10N4O2 and report it in five significant figures.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

What happens to isotopes that are unstable?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent