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  2. Difluorocarbene - Wikipedia

    en.wikipedia.org/wiki/Difluorocarbene

    The difference in energy between the singlet ground state and the first excited triplet state is 56.6 kcal per mol. [3] In singlet difluorocarbene, the C-F bond length is measured as 1.300 Å and F-C-F bond angle is measured as 104.94° (almost tetrahedral).

  3. Contigo (song) - Wikipedia

    en.wikipedia.org/wiki/Contigo_(song)

    "Contigo" (transl. "With You") is a song by Colombian singer Karol G and Dutch DJ Tiësto. It was released through Bichota Records and Interscope on February 14, 2024, the same day as Valentine's Day and Karol G's birthday. [1] [2] [3] The song's entire melody is interpolated directly from "Bleeding Love" (2007) by Leona Lewis.

  4. Volume correction factor - Wikipedia

    en.wikipedia.org/wiki/Volume_Correction_Factor

    That is, observed temperatures above 60 °F (or the base temperature used) typically correlate with a correction factor below "1", while temperatures below 60 °F correlate with a factor above "1". This concept lies in the basis for the kinetic theory of matter and thermal expansion of matter , which states as the temperature of a substance ...

  5. Gravitational constant - Wikipedia

    en.wikipedia.org/wiki/Gravitational_constant

    In addition to Poynting, measurements were made by C. V. Boys (1895) [25] and Carl Braun (1897), [26] with compatible results suggesting G = 6.66(1) × 10 −11 m 3 ⋅kg −1 ⋅s −2. The modern notation involving the constant G was introduced by Boys in 1894 [12] and becomes standard by the end of the 1890s, with values usually cited in the ...

  6. gc (engineering) - Wikipedia

    en.wikipedia.org/wiki/Gc_(engineering)

    In unit systems where force is a derived unit, like in SI units, g c is equal to 1. In unit systems where force is a primary unit, like in imperial and US customary measurement systems, g c may or may not equal 1 depending on the units used, and value other than 1 may be required to obtain correct results. [2]

  7. Darcy friction factor formulae - Wikipedia

    en.wikipedia.org/wiki/Darcy_friction_factor_formulae

    f stands for the Darcy friction factor. Its value depends on the flow's Reynolds number Re and on the pipe's relative roughness ε / D. The log function is understood to be base-10 (as is customary in engineering fields): if x = log(y), then y = 10 x. The ln function is understood to be base-e: if x = ln(y), then y = e x.

  8. g-factor (physics) - Wikipedia

    en.wikipedia.org/wiki/G-factor_(physics)

    The spin magnetic moment of a charged, spin-1/2 particle that does not possess any internal structure (a Dirac particle) is given by [1] =, where μ is the spin magnetic moment of the particle, g is the g-factor of the particle, e is the elementary charge, m is the mass of the particle, and S is the spin angular momentum of the particle (with magnitude ħ/2 for Dirac particles).

  9. Binomial coefficient - Wikipedia

    en.wikipedia.org/wiki/Binomial_coefficient

    Alternative notations include C(n, k), n C k, n C k, C k n, [3] C n k, and C n,k, in all of which the C stands for combinations or choices; the C notation means the number of ways to choose k out of n objects. Many calculators use variants of the C notation because they can represent it on a single-line display.