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  • In [[thermodynamics]], '''enthalpy''' is the sum of the [[internal energy]] ''U'' and the product of [[pressu ...contents", which is why it is conventionally indicated by ''H''. The term "enthalpy" was coined by the Dutch physicist [[Heike Kamerling Onnes]].<ref>Alfred W.
    5 KB (786 words) - 15:36, 2 December 2009
  • 137 bytes (17 words) - 12:08, 27 June 2009
  • #REDIRECT [[Enthalpy]]
    22 bytes (2 words) - 02:26, 2 December 2009
  • #REDIRECT [[Enthalpy]]
    22 bytes (2 words) - 02:27, 2 December 2009
  • Auto-populated based on [[Special:WhatLinksHere/Enthalpy]]. Needs checking by a human.
    856 bytes (107 words) - 16:19, 11 January 2010
  • 33 bytes (4 words) - 20:43, 10 September 2009
  • 34 bytes (4 words) - 00:10, 24 September 2008

Page text matches

  • #REDIRECT [[Enthalpy]]
    22 bytes (2 words) - 02:26, 2 December 2009
  • #REDIRECT [[Enthalpy]]
    22 bytes (2 words) - 02:27, 2 December 2009
  • In [[thermodynamics]], '''enthalpy''' is the sum of the [[internal energy]] ''U'' and the product of [[pressu ...contents", which is why it is conventionally indicated by ''H''. The term "enthalpy" was coined by the Dutch physicist [[Heike Kamerling Onnes]].<ref>Alfred W.
    5 KB (786 words) - 15:36, 2 December 2009
  • ...ntiated from an ideal gas) when it is allowed to expand freely at constant enthalpy (meaning that no heat is transferred to or from the gas, and no external wo
    294 bytes (50 words) - 19:23, 12 May 2008
  • {{r|Enthalpy}}
    195 bytes (26 words) - 11:07, 21 June 2009
  • ...in a chemical system is extremely difficult to measure or calculate. The [[enthalpy]] change, &Delta;H, of a chemical reaction is much easier to measure and ca by definition the enthalpy change has a negative value:
    3 KB (432 words) - 22:07, 29 October 2020
  • {{r|Enthalpy}}
    398 bytes (45 words) - 11:18, 5 November 2009
  • {{r|Enthalpy}}
    564 bytes (64 words) - 11:06, 5 November 2009
  • {{r|Enthalpy}}
    513 bytes (64 words) - 15:55, 26 November 2009
  • {{r|Enthalpy}}
    605 bytes (67 words) - 22:21, 6 November 2009
  • {{r|Enthalpy}}
    487 bytes (62 words) - 16:27, 11 January 2010
  • {{r|Enthalpy}}
    739 bytes (87 words) - 11:29, 5 November 2009
  • {{r|Enthalpy}}
    714 bytes (91 words) - 11:48, 11 January 2010
  • {{r|Enthalpy}}
    763 bytes (99 words) - 17:28, 11 January 2010
  • Auto-populated based on [[Special:WhatLinksHere/Enthalpy]]. Needs checking by a human.
    856 bytes (107 words) - 16:19, 11 January 2010
  • {{r|Enthalpy}}
    811 bytes (105 words) - 15:22, 16 March 2010
  • {{r|Enthalpy}}
    859 bytes (122 words) - 14:13, 24 May 2010
  • * the molal [[Standard enthalpy change of vaporization|heats of vaporization]] of the feed components are e * heat effects such as [[Enthalpy change of solution|heats of solution]] and [[heat transfer]] to and from th
    6 KB (955 words) - 22:50, 17 February 2010
  • ...ation of a single-component liquid is an [[isenthalpic]] (i.e., constant [[enthalpy]]) process and is often referred to as an ''[[Adiabatic process|adiabatic]] |align=left|= &nbsp;'''upstream liquid enthalpy at upstream [[temperature]] and pressure, J/kg'''
    9 KB (1,381 words) - 08:26, 1 September 2013
  • ...ation of a single-component liquid is an [[isenthalpic]] (i.e., constant [[enthalpy]]) process and is often referred to as an ''[[Adiabatic process|adiabatic]] |align=left|= &nbsp;'''upstream liquid enthalpy at upstream [[temperature]] and pressure, J/kg'''
    9 KB (1,404 words) - 02:16, 27 October 2013
  • ...''U'' ([[internal energy]]), ''A'' ([[Helmholtz free energy]]), ''H'' ([[enthalpy]]), and ''G'' ([[Gibbs free energy]]). The thermodynamic parameters are: ''
    2 KB (238 words) - 07:38, 19 November 2009
  • ...team of a turbine at a pressure below atmospheric pressure, increases that enthalpy difference and therefore increases the work output of turbine. The water-co
    8 KB (1,176 words) - 16:28, 10 February 2024
  • ...H''<sub>v</sub> is the molar [[heat of vaporization]] (also known as molar enthalpy of evaporation). Further, ''V''<sup>&thinsp;I</sup> is the [[molar volume]] ...s larger than the molar volume ''V''<sup>II</sup> of the liquid, while the enthalpy of melting ''Q''<sub>melt</sub> = ''S''<sup>II</sup>&minus;''S''<sup>III</s
    9 KB (1,442 words) - 18:43, 19 February 2010
  • ...Joule-Thomson effect is an ''[[isenthalpic process]]'', meaning that the [[enthalpy]] of the fluid is constant (i.e., does not change) during the process. ...'''''&nbsp;) with a decrease of pressure ('''''P'''''&nbsp;) at constant [[enthalpy]] ('''''H'''''&nbsp;) in a Joule-Thomson process is the '''Joule-Thomson co
    7 KB (1,081 words) - 05:42, 4 September 2013
  • ...Joule-Thomson effect is an ''[[isenthalpic process]]'', meaning that the [[enthalpy]] of the fluid is constant (i.e., does not change) during the process. ...'''''&nbsp;) with a decrease of pressure ('''''P'''''&nbsp;) at constant [[enthalpy]] ('''''H'''''&nbsp;) in a Joule-Thomson process is the '''Joule-Thomson co
    7 KB (1,084 words) - 05:41, 4 September 2013
  • ...o be said that the specific heat ratio of an ideal gas is the ratio of the enthalpy to the internal energy:<ref name=Turns/>
    10 KB (1,457 words) - 16:09, 23 September 2013
  • ...o be said that the specific heat ratio of an ideal gas is the ratio of the enthalpy to the internal energy:<ref name=Turns/>
    10 KB (1,459 words) - 16:10, 23 September 2013
  • {{Image|Steam Temperature-Enthalpy Diagram.png|right|310px}} ...ion|enthalpy of vaporization]] &nbsp; '''H<sub>V</sub>''' = vapor specific enthalpy<br/>
    17 KB (2,440 words) - 15:23, 8 April 2023
  • |align=left|= source liquid [[enthalpy]] at source temperature and pressure, J/kg<br> |align=left|= flashed vapor enthalpy at atmospheric boiling point and pressure, J/kg
    19 KB (3,081 words) - 13:47, 12 August 2013
  • |align=left|= source liquid [[enthalpy]] at source temperature and pressure, J/kg<br> |align=left|= flashed vapor enthalpy at atmospheric boiling point and pressure, J/kg
    19 KB (3,099 words) - 10:42, 8 April 2024
  • ===Relation to Gibbs free energy and enthalpy=== :H = [[enthalpy]]
    36 KB (5,928 words) - 10:21, 8 July 2019
  • #An isenthalpic process occurs at a constant [[enthalpy]]. |[[Enthalpy]]
    21 KB (3,073 words) - 20:08, 1 September 2020
  • ...or all practical purposes is infinite) and "heat content" (a synonym for [[enthalpy]]) are commonly used and are incorrect by the same reasoning.
    9 KB (1,565 words) - 15:42, 16 March 2010
  • ...higher the temperature of a system, the higher its [[internal energy]] and enthalpy are.
    23 KB (3,670 words) - 05:52, 15 March 2024
  • :<math> \Delta_{solv}H \,</math> is the [[enthalpy of solution]]
    11 KB (1,729 words) - 05:20, 3 September 2013
  • {{cite web |title= Chemistry tutorial 9.03: Entropy, enthalpy and spontaneous reactions |url=http://www.youtube.com/watch?v=m1nKEz2DPC0 |
    11 KB (1,592 words) - 09:15, 28 September 2013
  • ...eter]]. It may also be calculated as the difference between the [[Standard enthalpy change of formation|heat of formation]] (Δ<sub>f</sub>H<sup>0</sup>) of th
    13 KB (1,833 words) - 05:42, 19 October 2013
  • |align=left|is the [[enthalpy of solution]]
    13 KB (2,084 words) - 05:21, 3 September 2013
  • ...heat of vaporization''' (<math>LH_v</math> or <math>L_v</math>) and the '''enthalpy of vaporization''' (<math>\Delta H_v</math> or <math>\Delta H_{vap}</math>
    12 KB (1,850 words) - 12:25, 30 April 2012
  • * [[Enthalpy of vaporization|Enthalpies of vaporization]] of organic compounds.
    11 KB (1,596 words) - 09:29, 2 August 2023
  • ...h;pressure ''p''. The reaction heat ''Q'' is then equal to the change in [[enthalpy]] &Delta;''H'' of the reactants. Indeed, according to the first law of ther ...sub> < 0. Correspondingly, an endothermic reaction has a positive reaction enthalpy.
    43 KB (7,032 words) - 15:15, 15 August 2022
  • ...extrapolated liquid vapor pressures (of the supercooled liquid), if the [[Enthalpy of fusion|heat of fusion]] is known, by using this particular form of the [
    15 KB (2,319 words) - 10:47, 9 September 2023
  • ...nomial, which yields a complicated expression. Therefore, expressing the [[enthalpy]] and the [[Gibbs energy]] as functions of their natural variables will be
    16 KB (2,711 words) - 16:42, 23 September 2013
  • ...bar (6.2 to 2.1 MPa) , which is an [[enthalpic]] process (i.e., a constant enthalpy process) that results in lowering the temperature of the stream from about
    16 KB (2,411 words) - 09:37, 6 March 2024
  • ...rmodynamics)|characteristic function]]s, but expressing, for instance, the enthalpy ''H'' &equiv; ''A'' + ''TS'' + ''pV'' as function of its natural variables
    18 KB (2,966 words) - 19:13, 10 March 2023
  • *[[Enthalpy]] (''H'').
    17 KB (2,659 words) - 10:00, 5 November 2009
  • ...c flash evaporation process is [[isenthalpic]] (i.e., occurs at constant [[enthalpy]]).
    18 KB (2,699 words) - 10:31, 28 June 2023
  • ...hat is either produced or needed by the reaction is found from the total [[Enthalpy]] change. Other concerns include whether [[side reaction]]s occur from the
    21 KB (3,107 words) - 09:16, 6 March 2024
  • where the [[enthalpy of reaction]] &Delta;''H'' is &minus;571.6 kJ<ref>E. A. Guggenheim, ''Therm
    20 KB (3,081 words) - 21:57, 31 March 2022
  • ...[http://lenr-canr.org/acrobat/MilesMcorrelatioa.pdf Correlation of excess enthalpy and helium-4 production]: A Review, in Tenth International Conference on Co
    27 KB (4,108 words) - 00:45, 8 October 2013