what product results when pentanal is heated with sodium hydroxide? if there are e and z isomers, you must draw both of them out in this problem

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?

What causes the appearance of lines in a emission spectrum

If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?