Addition of sulfurous acid (a weak acid) to barium hydroxide ( a strong base) results in the formation of a precipitate. the net ionic equation for this reaction is

Which of the following is an example of a parasite?

What is limiting reactant? with examples

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?