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The phlogiston theory, a superseded scientific theory, postulated the existence of a fire-like element dubbed phlogiston ( / flɒˈdʒɪstən, floʊ -, - ɒn /) [1] [2] contained within combustible bodies and released during combustion. The name comes from the Ancient Greek φλογιστόν phlogistón ( burning up ), from φλόξ phlóx ...
The relationship between chemistry and physics is a topic of debate in the philosophy of science. The issue is a complicated one, since both physics and chemistry are divided into multiple subfields, each with their own goals. A major theme is whether, and in what sense, chemistry can be said to "reduce" to physics. [1] [2]
Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms.: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. [1] The verb form of sublimation is sublime, or less preferably, sublimate. [2] Sublimate also refers to the product obtained by sublimation. [2] [3] The point at which sublimation occurs rapidly (for further details ...
Physical organic chemistry, a term coined by Louis Hammett in 1940, refers to a discipline of organic chemistry that focuses on the relationship between chemical structures and reactivity, in particular, applying experimental tools of physical chemistry to the study of organic molecules. Specific focal points of study include the rates of ...
Euler product. In number theory, an Euler product is an expansion of a Dirichlet series into an infinite product indexed by prime numbers. The original such product was given for the sum of all positive integers raised to a certain power as proven by Leonhard Euler. This series and its continuation to the entire complex plane would later become ...
Chemical physics is a branch of physics that studies chemical processes from a physical point of view. It focuses on understanding the physical properties and behavior of chemical systems, using principles from both physics and chemistry. This field investigates physicochemical phenomena using techniques from atomic and molecular physics and ...
Alkanolamine. In organic chemistry, alkanolamines (amino alcohols) are organic compounds that contain both hydroxyl ( −OH) and amino ( −NH2, −NHR, and −NR2) functional groups on an alkane backbone. Most alkanolamines are colorless. [1] Sphingosine is a component of some cell membrane.