Which two substances in the following equation have the same number of representative particles? xe (g) + 3f2 (g) --> xef6 (s) a) xe and f2 b) xe and xef6 c) f2 and xef d) xe, f2, and xef6

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(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?