The Van 't Hoff equation relates the change in the equilibrium constant, Keq, of a chemical reaction to the change in temperature, T, given the standard...
22 KB (3,079 words) - 05:42, 30 June 2025
Jacobus Henricus van 't Hoff Jr. (Dutch: [vɑn (ə)t ˈɦɔf]; 30 August 1852 – 1 March 1911) was a Dutch physical chemist. A highly influential theoretical...
18 KB (1,688 words) - 04:18, 31 July 2025
the work of Dutch chemist Jacobus Henricus van 't Hoff who had noted in 1884 that the Van 't Hoff equation for the temperature dependence of equilibrium...
21 KB (2,793 words) - 13:01, 21 July 2025
The van 't Hoff factor i (named after Dutch chemist Jacobus Henricus van 't Hoff) is a measure of the effect of a solute on colligative properties such...
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Henricus van 't Hoff (1852–1911), Dutch physical chemist and Nobel Prize laureate among others known for the van 't Hoff equation, van 't Hoff factor and...
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Van't Hoff (crater), crater on the Moon Van 't Hoff equation Van 't Hoff factor, formula used in physical chemistry Le Bel-van't Hoff rule Drummer Hoff, a...
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a given compound may increase or decrease with temperature. The van 't Hoff equation relates the change of solubility equilibrium constant (Ksp) to temperature...
50 KB (6,505 words) - 21:25, 22 July 2025
Henry's law (redirect from Sechenov equation)
generally be described with the Van 't Hoff equation, which also applies to Henry's law constants: d ln H d ( 1 / T ) = − Δ sol H R , {\displaystyle...
31 KB (4,843 words) - 05:50, 29 July 2025
relates the Gibbs energy to a chemical equilibrium constant, the van 't Hoff equation can be derived. Since the change in a system's Gibbs energy is equal...
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Chemical equilibrium (section Mass-balance equations)
involved, though it does depend on temperature as observed by the van 't Hoff equation. Adding a catalyst will affect both the forward reaction and the...
44 KB (6,727 words) - 15:12, 28 July 2025
Osmotic pressure (redirect from Morse equation)
Jacobus van 't Hoff found a quantitative relationship between osmotic pressure and solute concentration, expressed in the following equation: Π = i c R T {\displaystyle...
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quickly becomes unfavorable at atmospheric pressure, according to the Van 't Hoff equation. Lowering the temperature is unhelpful because the catalyst requires...
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according to the van 't Hoff equation d ln ( K ) d T = Δ H ⊖ R T 2 {\displaystyle {\frac {\mathrm {d} \ln \left(K\right)}{\mathrm {d} T}}={\frac {\Delta...
103 KB (11,534 words) - 07:28, 2 June 2025
Clausius–Clapeyron relation (redirect from Clausius-Clapeyron equation)
{\displaystyle \kappa _{T}=-(1/v)(\mathrm {d} v/\mathrm {d} P)_{T}} is the isothermal compressibility. Van 't Hoff equation Antoine equation Lee–Kesler method...
25 KB (3,651 words) - 04:27, 25 November 2024
760 cal/mol (3180 J/mol) and a linear dependence of pKa0 on 1/T (Van 't Hoff equation). The positive ∆H0 results in an increase in Ka, and thus a decrease...
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known sugars and correctly predicted the possible isomers, applying Van 't Hoff equation of asymmetrical carbon atoms. The names initially referred to the...
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K at a temperature, T2, knowing the value at temperature T1. The van 't Hoff equation also shows that, for an exothermic reaction ( Δ H < 0 {\displaystyle...
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concentration (in molarity) to solute potential is given by the van 't Hoff equation: Ψ π = − M i R T {\displaystyle \Psi _{\pi }=-MiRT} where M {\displaystyle...
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possible the verification and correction of van 't Hoff's theory. In a modern formulation, van 't Hoff's equation states that ΠV = nRT, where Π is the osmotic...
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physical chemistry in the late 19th century and early 20th century. The Van 't Hoff equation in chemical thermodynamics relates the change in the equilibrium...
82 KB (10,146 words) - 15:54, 15 May 2024
squares fit to the solubility measurements. This equation is derived from the integrated Van 't Hoff equation and the logarithmic Setchenow salinity dependence...
62 KB (6,577 words) - 13:20, 17 July 2025
approaches were taken as summarized below. In 1884, Jacobus van 't Hoff proposed the Van 't Hoff equation describing the temperature dependence of the equilibrium...
41 KB (5,711 words) - 03:35, 26 May 2025
they obey the Van 't Hoff equation: ( ∂ ln K ∂ 1 T ) θ = − Δ H R . {\displaystyle \left({\frac {\partial \ln K}{\partial {\frac {1}{T}}}}\right)_{\theta...
55 KB (7,223 words) - 16:59, 23 June 2025
Nobel Prize in Physics in 1910 "for his work on the equation of state for gases and liquids". Van der Waals started his career as a schoolteacher. He...
25 KB (3,020 words) - 16:57, 24 July 2025
notation ⇄ was proposed in 1884 by the Dutch chemist Jacobus Henricus van 't Hoff. Van 't Hoff called reactions that didn't proceed to completion "limited reactions"...
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enunciated the principle in 1884 by extending the reasoning from the Van 't Hoff relation of how temperature variations changes the equilibrium to the...
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further lower myocardial metabolism during periods of ischemia. The Van 't Hoff equation allows calculation that oxygen consumption will drop by 50% for every...
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found from the van 't Hoff equation as Δ rxn H ⊖ = R T 2 d d T ln K e q {\displaystyle \Delta _{\text{rxn}}H^{\ominus }={RT^{2}}{\frac {d}{dT}}\ln K_{\mathrm...
16 KB (2,425 words) - 08:47, 25 November 2024
Temperature jump (redirect from T-jump)
constant and dT is the change in temperature then the enthalpy change is given by the Van 't Hoff equation: Δ H o = R T 2 . d ln K d T {\displaystyle...
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Glossary of engineering: M–Z (section T)
Chemistry). The Van 't Hoff equation has been widely utilized to explore the changes in state functions in a thermodynamic system. The Van 't Hoff plot, which...
251 KB (31,185 words) - 13:16, 14 July 2025