Find the wavelength of a photon of light with energy 2.04 eV. Express your answer in meters. (h = 6.63 x 10-34 J. s; c = 3 x 108 m/s; 1 eV = 1.6 x 10-19 J)

What is happening when the water inside a kettle heats up and begins to boil

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2

What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.