A bottle of wine contains 0.21 moles of ethanol, C2H5OH. The volume of the solution is 0.1 L. Calculate the molarity.

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

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?

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.