Calculate the pH of 0.10 M H3PO4 aqueous solution. ( the pKa1= 2.15, Pka2=7.20, and pKa3= 12.37 for H3PO4)

Light waves are as they pass through the

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.

What is a number added in front of a formula in order to balance the equation