- Physical Sciences
a law defining the relationship between pressure, volume, temperature and moles of a gas. Formula definition: pV = nRT (Pressure in Pa, volume in m3, n in moles, R is the Universal Gas Constant (8,31 J.K-1.mol-1), and temperature in Kelvin).
the species or substance that exists before a chemical reaction has occurred. A substance added...
the species that remains after an acid has donated a proton.