Ared capital "l" over your home on a weather map probably indicates a. rain b. clear skies c. freezing weather d. changing weather

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.