A chemist prepares a solution of iron bromide by measuring out 59.5 mg of FeBr2 into a 100 mL volumetric flask and filling to the mark with distilled water.

Calculate the molarity of Br- anions in the chemist's solution.

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

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?

Why is the structure of molecule important to its function?