An electron in the n-6 energy level of an H atom drops to a lower energy level; the atom emits a photon of wavelength 610. nm. What is the ΔE for this transition in 2 mol of H atoms? (in KJ/mol)

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.