Copper reacts with 36.7 g of silver nitrate to produce copper (II) nitrate and silver. Determine the theoretical yield of Cu(NO3)2 if the actual yield is 31.29 g.

Gymnast always perform on padded mats. how does the mats protect the gymnast

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

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?