• temperature. The laws of thermodynamics imply the following relations between these two heat capacities (Gaskell 2003:23): C P − C V = V T α 2 β T {\displaystyle...
    10 KB (2,080 words) - 22:25, 31 August 2023
  • Thumbnail for Heat capacity ratio
    Relations between heat capacities Heat capacity Specific heat capacity Speed of sound Thermodynamic equations Thermodynamics Volumetric heat capacity...
    18 KB (2,318 words) - 16:04, 11 August 2024
  • Thumbnail for Specific heat capacity
    =c_{p}/c_{V}} is the heat capacity ratio. The term specific heat may also refer to the ratio between the specific heat capacities of a substance at a given...
    55 KB (8,416 words) - 17:05, 5 November 2024
  • Thumbnail for Heat capacity
    the effective heat capacity of the gas, in that situation, will have a value intermediate between its isobaric and isochoric capacities C p {\displaystyle...
    19 KB (2,778 words) - 05:17, 5 November 2024
  • }=V_{\mathrm {m} }T{\frac {\alpha _{V}^{2}}{\beta _{T}}}} (see relations between heat capacities), where V m {\displaystyle V_{\mathrm {m} }} is the molar...
    3 KB (437 words) - 07:04, 21 October 2024
  • Thumbnail for Entropy
    of the system. Important examples are the Maxwell relations and the relations between heat capacities. Thermodynamic entropy is central in chemical thermodynamics...
    108 KB (13,956 words) - 16:39, 5 November 2024
  • Thumbnail for Euler equations (fluid dynamics)
    This brings to two important relations between heat capacities: the constant gamma actually represents the heat capacity ratio in the ideal polytropic...
    79 KB (13,178 words) - 05:32, 25 October 2024
  • Thumbnail for Heat
    In thermodynamics, heat is energy in transfer between a thermodynamic system and its surroundings by modes other than thermodynamic work and transfer of...
    90 KB (12,695 words) - 12:35, 2 November 2024
  • Thumbnail for Debye model
    phonon contribution to the specific heat (heat capacity) in a solid. It treats the vibrations of the atomic lattice (heat) as phonons in a box in contrast...
    47 KB (9,148 words) - 14:58, 4 October 2024
  • Thumbnail for Onsager reciprocal relations
    In thermodynamics, the Onsager reciprocal relations express the equality of certain ratios between flows and forces in thermodynamic systems out of equilibrium...
    17 KB (2,568 words) - 19:29, 8 June 2024
  • Thumbnail for Intensive and extensive properties
    thermodynamic relations. A specific property is the intensive property obtained by dividing an extensive property of a system by its mass. For example, heat capacity...
    20 KB (2,425 words) - 14:12, 15 September 2024
  • Thumbnail for Polytropic process
    {\displaystyle \gamma } is the ratio of the heat capacity at constant pressure ( C P {\displaystyle C_{P}} ) to heat capacity at constant volume ( C V {\displaystyle...
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  • Thumbnail for Isobaric process
    mol−1 deg−1. The ratio γ {\displaystyle \gamma } of the two heat capacities is 1.4. The heat Q required to bring the gas from 300 to 600 K is Q = Δ H =...
    12 KB (1,891 words) - 18:47, 3 November 2024
  • Thumbnail for Zeroth law of thermodynamics
    by a wall permeable only to heat, and they do not change over time. Another formulation by James Clerk Maxwell is "All heat is of the same kind". Another...
    20 KB (2,670 words) - 17:05, 22 October 2024
  • Thumbnail for Ideal gas
    approximation). Since the heat capacity depends on the atomic or molecular nature of the gas, macroscopic measurements on heat capacity provide useful information...
    24 KB (3,852 words) - 13:29, 20 September 2024
  • conduct heat. It is commonly denoted by k {\displaystyle k} , λ {\displaystyle \lambda } , or κ {\displaystyle \kappa } and is measured in W·m−1·K−1. Heat transfer...
    63 KB (8,360 words) - 20:48, 18 October 2024
  • Thumbnail for Laws of thermodynamics
    thermodynamic processes, such as thermodynamic work and heat, and establish relationships between them. They state empirical facts that form a basis of...
    20 KB (2,860 words) - 14:57, 21 September 2024
  • Thumbnail for Carnot cycle
    In a Carnot cycle, a system or engine transfers energy in the form of heat between two thermal reservoirs at temperatures T H {\displaystyle T_{H}} and...
    25 KB (3,234 words) - 11:00, 28 August 2024
  • Thumbnail for Maxwell relations
    Maxwell's relations are a set of equations in thermodynamics which are derivable from the symmetry of second derivatives and from the definitions of the...
    19 KB (3,124 words) - 07:31, 9 May 2024
  • the definition of the heat capacity by δQ = CP dT and T dS = δQ. The second term may be rewritten with one of the Maxwell relations ( ∂ S ∂ P ) T = − (...
    17 KB (2,587 words) - 17:09, 10 March 2024
  • Thumbnail for Thermodynamic equations
    difference between the specific heat capacities is the same as the universal gas constant. This relation is represented by the difference between Cp and Cv:...
    24 KB (3,527 words) - 15:07, 12 July 2024
  • Thumbnail for Thermoelectric effect
    different temperature on each side. Conversely, when a voltage is applied to it, heat is transferred from one side to the other, creating a temperature difference...
    30 KB (3,863 words) - 01:22, 4 November 2024
  • Thumbnail for Latent heat
    transferred as heat, with a resultant temperature change in a body. The terms sensible heat and latent heat refer to energy transferred between a body and...
    21 KB (2,520 words) - 02:35, 4 November 2024
  • Thumbnail for Heat engine
    can be any system with a non-zero heat capacity, but it usually is a gas or liquid. During this process, some heat is normally lost to the surroundings...
    28 KB (3,866 words) - 00:21, 5 November 2024
  • Thumbnail for Thermodynamics
    Fire (1824), a discourse on heat, power, energy and engine efficiency. The book outlined the basic energetic relations between the Carnot engine, the Carnot...
    47 KB (5,789 words) - 14:42, 28 October 2024
  • Thumbnail for Second law of thermodynamics
    that are bound by their own gravity, such as stars, can have negative heat capacities. As they contract, both their total energy and their entropy decrease...
    107 KB (15,584 words) - 01:16, 2 November 2024
  • In the Heat of the Night is an American police procedural crime drama television series loosely based on 1965 novel of the same title and the 1967 film...
    61 KB (6,082 words) - 01:03, 5 November 2024
  • Thumbnail for Heat pump and refrigeration cycle
    heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. A heat...
    19 KB (2,400 words) - 15:08, 30 October 2024
  • Thumbnail for Work (thermodynamics)
    wall can be considered as indirectly mediating transfer of energy as heat between the system and its surroundings, though the source and destination of...
    45 KB (7,027 words) - 15:38, 5 November 2024
  • Thumbnail for History of thermodynamics
    conductivity and that differences in sensation arose from their different heat capacities. Suggestions that this might not be the case came from the new science...
    34 KB (3,753 words) - 12:58, 5 November 2024