The pressure and volume of a sealed syringe of gas are 1.5 atm and 40.0 mL. The plunger is pushed in so that the new volume of the syringe is 15.5 mL.
What is the new pressure of the syringe?

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?