2punts what is the equilibrium constant for the reaction n2(g) + o2(g) = 2no(g)?

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?

Tell me the iupac names of the following alcohols:

Element before carbon on the periodic table