Explain why the density of a metal object decreases when the object expands

Find the mass in grams of 1.37x1020 particles of h3po4

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

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.