Acompound has a known melting point of 210 °c – 211 °c when pure. you are given a sample of the compound and peform a melting point analysis. the melting point of the sample is 204 °c – 208 °c. what does this result tell you? (

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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.

Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?