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...ort description|Two related parameters used in description of the kinetics of electrochemical reactions}} ...lated parameters used in description of the [[chemical kinetics|kinetics]] of [[electrochemical reaction]]s. They appear in the [[Butler–Volmer equation] ...

{{About||the detailed nature of defining equations|Physical quantity}} {{Main|Physical chemistry}} ...

{{Short description|Chemical term for density of a component in a mixture}} {{Distinguish|Mass fraction (chemistry)}} ...

{{Thermodynamics|cTopic=[[List of thermodynamic properties|System properties]]}} ...ibility factor]], provide the basis for the simplest form of the [[theorem of corresponding states]].<ref name=boles/> ...

====General fundamental quantities==== | dimensionless ...

...he tables also include [[number|pure numbers]], dimensionless ratios, or [[dimensionless physical constant]]s; these topics are discussed in the article. ! scope="col" | Field of application ...

This article summarizes [[equation]]s in the theory of [[wave]]s. ===General fundamental quantities=== ...

This article summarizes [[equation]]s in the theory of [[nuclear physics]] and [[particle physics]].<!--very skimpy for now, will | Number of atoms ...

...ysical system characteristics, such as [[density]], [[viscosity]], [[speed of sound]], and [[velocity|flow speed]]. ...keep the important characteristic numbers the same. Names and formulation of these numbers were standardized in [[ISO 31-12]] and in [[ISO 80000-11]]. ...

{{Short description|Rest mass of an atom in its ground state}}{{Infobox quantity ...f 6.015&nbsp;Da) has only 3 neutrons, reducing the atomic weight (average) of lithium to 6.941. ...

This article summarizes [[equation]]s in the theory of [[electromagnetism]]. ...harge|charge]] ''q'') in motion (velocity '''v'''), used as the definition of the [[electric field|'''E''' field]] and [[magnetic field|'''B''' field]].] ...

{{Short description|Distribution of mass in a celestial body}} ...oment of inertia]] has dimensions of mass times length squared, the moment of inertia factor is the coefficient that multiplies these. ...

{{Short description|Subdiscipline of chemistry concerned with chemical equilibrium}} ...nt|acid–base]], [[Host–guest chemistry|host–guest]], [[stability constants of complexes|metal–complex]], [[solubility]], [[partition coefficient|partitio ...

{{short description|Units of measurement based on universal physical constants}} ...s collapsed, such that the physical constants completely define the system of units and the relevant physical laws contain no conversion constants. ...

{{Short description|Ratio of inertial to viscous forces acting on a liquid}} ...= The transition from laminar (left) to turbulent (right) flow of water from a tap occurs as the Reynolds number increases. ...

{{short description|Exchange of mass, energy, and momentum between observed and studied systems}} ...hematical connections that often provide very useful tools in the analysis of one field that are directly derived from the others. ...

{{Short description|Definition of the units kg, A, K and mol}} ...math>a \rightarrow b</math> means <math>a</math> is used in the definition of <math>b</math>.]] ...

{{Short description|Attempt to find a consistent theory of quantum gravity}} ...d by [[Steven Weinberg]] to find a theory of [[quantum gravity]], the idea of a nontrivial fixed point providing a possible [[UV completion]] can be appl ...

{{Short description|Different atoms of the same element}} {{About|the atomic variants of chemical elements|other uses|Isotope (disambiguation)}} ...

The '''Glossary of fuel cell terms''' lists the definitions of many terms used within the [[fuel cell]] industry. The terms in this fuel c ...umulates on the surface of a solid or a liquid (adsorbent), forming a film of molecules or atoms (the [[adsorbate]]). ...