Which dissolves better in water salt sugar or baking soda science project?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

What are the first three quantum numbers for the electrons located in subshell 2s?

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?