How many moles of n₂ are essential for generating 0.08 moles of li₃n in the given reaction?
6li + n₂ 2li₃n

0.013 moles

0.04 moles

0.08 moles

0.16 moles

0.48 moles

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?

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?