How many mol of carbon dioxide are needed to react completely with 1.72g of carbon that reacted with excess copper(II) oxide?

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

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?

In 2002, the rare earth elements mine in mountain pass, california was closed because