Check my answers ! 1.which of the following conditions increases the number of collisions between reactant molecules in a given volume? decreasing the temperature adding more reactant molecules (correct) making the particles clump together removing a catalyst 2.for this chemical reaction ch3br + oh- = ch3oh + br-, which of the following would indicate that the reaction occurred? increase in ch3br concentration over time or decrease (answer decrease) increase in oh concentration over time or decrease

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.