calculate the molar equivalent concentration of sulfuric acid if density is 1.04 and weight fraction is 3.2%

Calcium chloride +gold(1) oxide—>

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Why are people not able to skip a dive to the deepest part of the ocean