Lysine has the side chain (C H 2) 4 N H 3 plus. The alpha amino group is protonated and positively charged. The alpha carboxylic acid group is protonated and neutral. At what pH would the structure be the predominant ionization state? Consider the ionization state of all three of the functional groups.

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.