... 890, 955 packing spheres, 473-475 paramagnetic, 342 partial charges, 289 partial pressure, 434 particle accelerator, 810 particles (N), 84 pascal (Pa), 418 passivation, 785 patina, ... 400 polystyrene, 938 polyvinyl chloride (PVC), 938 positron, 798 potassium hydroxide, 893 potassium nitrate, 893 potential energy, 160 pounds, 14 precipitate, 117 precipitation, fractional, ... Dalton's law of partial pressures, 434 435 defined,418 equilibrium and, 614-615 measurement of, 418-420 pressure-volume relationship, 421-423 solubility and, 515-517 using partial pressure...