Consider a buffer composed of the weak acid HA and its conjugate base A-. Which pair of concentrations results in the most effective buffer?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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?

What the blanks in these lines are ?