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  2. Enthalpy–entropy chart - Wikipedia

    en.wikipedia.org/wiki/Enthalpy–entropy_chart

    The Mollier enthalpy–entropy diagram for water and steam. The "dryness fraction", x , gives the fraction by mass of gaseous water in the wet region, the remainder being droplets of liquid. An enthalpy–entropy chart , also known as the H – S chart or Mollier diagram , plots the total heat against entropy, [ 1 ] describing the enthalpy of a ...

  3. Standard molar entropy - Wikipedia

    en.wikipedia.org/wiki/Standard_molar_entropy

    The standard molar entropy at pressure = is usually given the symbol S°, and has units of joules per mole per kelvin (J⋅mol −1 ⋅K −1). Unlike standard enthalpies of formation , the value of S° is absolute.

  4. Thermodynamic databases for pure substances - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_databases...

    Absolute entropy of strontium. The solid line refers to the entropy of strontium in its normal standard state at 1 atm pressure. The dashed line refers to the entropy of strontium vapor in a non-physical state. The standard entropy change for the formation of a compound from the elements, or for any standard reaction is designated ΔS° form or ...

  5. File:Mollier enthalpy entropy chart for steam - US units.svg

    en.wikipedia.org/wiki/File:Mollier_enthalpy...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Ammonia (data page) - Wikipedia

    en.wikipedia.org/wiki/Ammonia_(data_page)

    Std enthalpy change of fusion, Δ fus H o +5.653 kJ/mol Std entropy change of fusion, Δ fus S o +28.93 J/(mol·K) Std enthalpy change of vaporization, Δ vap H o +23.35 kJ/mol at BP of −33.4 °C Std entropy change of vaporization, Δ vap S o +97.41 J/(mol·K) at BP of −33.4 °C Solid properties Std enthalpy change of formation, Δ f H o ...

  7. Pentane (data page) - Wikipedia

    en.wikipedia.org/wiki/Pentane_(data_page)

    Std entropy change of vaporization, Δ vap S o: 87.88 J/(mol·K) at 25 °C Solid properties Std enthalpy change of formation, Δ f H o solid? kJ/mol Standard molar entropy, S o solid? J/(mol K) Heat capacity, c p? J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid –173.5 kJ/mol Standard molar entropy, S o liquid ...

  8. Enthalpy change of solution - Wikipedia

    en.wikipedia.org/wiki/Enthalpy_change_of_solution

    The energy change can be regarded as being made up of three parts: the endothermic breaking of bonds within the solute and within the solvent, and the formation of attractions between the solute and the solvent. An ideal solution has a null enthalpy of mixing. For a non-ideal solution, it is an excess molar quantity.

  9. Template:Chembox Entropy - Wikipedia

    en.wikipedia.org/wiki/Template:Chembox_Entropy

    Printable version ; In other projects ... capacity Standard molar entropy Standard enthalpy change of formation Gibbs free energy ... report for Template:Chembox ...