draw one enantiomer of the major product of the diels–alder reaction shown. use wedged and hatched bonds to indicate the orientation of substituents in the product. chirality centers must contain four bonds in order to be graded correctly. hydrogen atoms on chirality centers must be shown.

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?