![]() ![]() When dissolved in an aqueous solution, a proton donor which increases the concentration of hydronium ion ( H ) which is then transferred or 'donated' to the other species, which by definition is a Brønsted–Lowry base. ( Brønsted–Lowry acid) Any chemical species or molecular entity that acts as a proton donor when reacting with another species, because it loses at least one proton ( H + achiral (of a molecule) Having the geometric symmetry of being indistinguishable from its own mirror image lacking chirality. ![]() ![]() abundance accuracy How close a measured value is to the actual or true value. This type of absorption is the principle on which spectrophotometry is based. The process by which matter (typically electrons bound in atoms) takes up the energy of electromagnetic radiation and transforms it into any of various types of internal energy, such as thermal energy. Absorption differs from adsorption in that the first substance permeates the entire bulk of the second substance, rather than just adhering to the surface. The physical or chemical process by which a substance in one state becomes incorporated into and retained by another substance of a different state. By extrapolating the ideal gas law, the internationally agreed-upon value for absolute zero has been determined as −273.15 ☌ (−459.67 ☏ 0.00 K). A absolute zero A theoretical condition concerning a system at the lowest limit of the thermodynamic temperature scale, or zero kelvins, at which the system does not emit or absorb energy (i.e. ![]()
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