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Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
In alchemy and philosophy, prima materia, materia prima or first matter (for a philosophical exposition refer to: Prime Matter), is the ubiquitous starting material required for the alchemical magnum opus and the creation of the philosopher's stone. It is the primitive formless base of all matter similar to chaos, the quintessence or aether.
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .
Prima facie (/ ˌ p r aɪ m ə ˈ f eɪ ʃ i,-ʃ ə,-ʃ i iː /; from Latin prīmā faciē) is a Latin expression meaning "at first sight", [1] or "based on first impression". [2] The literal translation would be "at first face" or "at first appearance", from the feminine forms of primus ("first") and facies ("face"), both in the ablative case.
Strange matter: A type of quark matter that may exist inside some neutron stars close to the Tolman–Oppenheimer–Volkoff limit (approximately 2–3 solar masses). May be stable at lower energy states once formed. Quark matter: Hypothetical phases of matter whose degrees of freedom include quarks and gluons Color-glass condensate
A definition of "matter" based on its physical and chemical structure is: matter is made up of atoms. [17] Such atomic matter is also sometimes termed ordinary matter. As an example, deoxyribonucleic acid molecules (DNA) are matter under this definition because they are made of atoms.
Following its initial rollout in the U.K., health visitors—professionals who provide vital support to mothers, caregivers, and infants in the early weeks—have reported more effective ...
"in the matter of", "concerning" Often used to prefix the subject of traditional letters and memoranda. However, when used in an e-mail subject, there is evidence that it functions as an abbreviation of "reply" rather than the word meaning "in the matter of". Nominative case singular 'res' is the Latin equivalent of 'thing'; singular 're' is ...