PLEASE ANSWER

A student is making a model of the electromagnetic spectrum.

Which text should the student use for label 1 to describe other properties of waves shown?

A. LOW FREQUENCY, LOW ENERGY

B. LOW FREQUENCY, HIGH ENERGY

C. HIGH FREQUENCY, LOW ENERGY

D. HIGH FREQUENCY, HIGH ENERGY

Nan element’s square on the periodic table, the number with the greatest numerical value represents 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.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?