Https://ny. pbslearningmedia. org/resource/chemical-engineering-y our-future/chemical-engineering-vid eo/ by this video, how are chemical engineers and chemists similar? different?

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

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?