Planck, Einstein, Heisenberg, and Schrodinger described the Quantum Mechanical Models that helps predict the location of the .

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

What is the mass of 8 moles of sodium atoms

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?