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The number density (symbol: n or ρ N) is an intensive quantity used to describe the degree of concentration of countable objects (particles, molecules, phonons, cells, galaxies, etc.) in physical space: three-dimensional volumetric number density, two-dimensional areal number density, or one-dimensional linear number density.
Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [2] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase : [3]
The ideal gas equation can be rearranged to give an expression for the molar volume of an ideal gas: = = Hence, for a given temperature and pressure, the molar volume is the same for all ideal gases and is based on the gas constant: R = 8.314 462 618 153 24 m 3 ⋅Pa⋅K −1 ⋅mol −1, or about 8.205 736 608 095 96 × 10 −5 m 3 ⋅atm⋅K ...
Quantity (common name/s) (Common) symbol/s Defining equation SI unit Dimension Temperature gradient: No standard symbol K⋅m −1: ΘL −1: Thermal conduction rate, thermal current, thermal/heat flux, thermal power transfer
C 21 H 36 N 7 O 16 P 3 S: Coenzyme A: 31416-98-5 C 21 H 39 NO 3: N-Oleoylsarcosine: 110-25-8 C 21 H 44 N 2: N-Oleyl-1,3-propanediamine: 7173-62-8 C 22 H 23 ClN 2 O 2: loratadine: 79794-75-5 C 22 H 26 O 7: L-165041: 79558-09-1 C 22 H 28 N 2 O: fentanyl: C 22 H 30 O 8: Neurolenin B: C 23 H 13 Cl 2 Na 3 O 9 S Chrome Azurol S: 1667-99-8 C 23 H 19 ...
The votes are in. Last month, on Nov. 14, Oxford University Press narrowed a list down to six words and the world had the opportunity to vote for its favorite. Language experts from the publishing ...
farad (F = C/V) L −2 M −1 T 4 I 2: scalar Catalytic activity concentration: Change in reaction rate due to presence of a catalyst per unit volume of the system kat⋅m −3: L −3 T −1 N: intensive Chemical potential: μ: Energy per unit change in amount of substance J/mol L 2 M T −2 N −1: intensive Dose equivalent: H
From a smashed mirror and crashes to unusually severe penalties, there were plenty of hazards at the Qatar Grand Prix. Max Verstappen steered clear of them all to follow up his Formula 1 drivers ...