Write the Balanced Equation Skeleton:
KI (aq) + Pb(NO3)2 (aq) → KNO3 (aq) + PbI2 (s)

When undergoing chemical reactions where does the reactant combine to the enzyme?

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?

Air can be considered a mixture. which statement does not explain why?