A 11.88 g sample of N2 reacts with 2.56608 g of H2 to form ammonia (NH3). If ammonia is the only product, what mass of ammonia is formed

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

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?

Chemistry worksheet - i am not sure what they are asking for exactly?