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Heat capacity information


Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change in its temperature.[1] The SI unit of heat capacity is joule per kelvin (J/K).

Heat capacity is an extensive property. The corresponding intensive property is the specific heat capacity, found by dividing the heat capacity of an object by its mass. Dividing the heat capacity by the amount of substance in moles yields its molar heat capacity. The volumetric heat capacity measures the heat capacity per volume. In architecture and civil engineering, the heat capacity of a building is often referred to as its thermal mass.

  1. ^ Halliday, David; Resnick, Robert (2013). Fundamentals of Physics. Wiley. p. 524.

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Heat capacity

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Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change...

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Specific heat capacity

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In thermodynamics, the specific heat capacity (symbol c) of a substance is the amount of heat that must be added to one unit of mass of the substance...

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Heat capacity ratio

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the heat capacity ratio, also known as the adiabatic index, the ratio of specific heats, or Laplace's coefficient, is the ratio of the heat capacity at...

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Table of specific heat capacities

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The table of specific heat capacities gives the volumetric heat capacity as well as the specific heat capacity of some substances and engineering materials...

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Molar heat capacity

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The molar heat capacity of a chemical substance is the amount of energy that must be added, in the form of heat, to one mole of the substance in order...

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Volumetric heat capacity

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The volumetric heat capacity of a material is the heat capacity of a sample of the substance divided by the volume of the sample. It is the amount of energy...

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Heat capacity rate

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The heat capacity rate is heat transfer terminology used in thermodynamics and different forms of engineering denoting the quantity of heat a flowing...

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Heat

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capacity is the heat capacity per unit amount (SI unit: mole) of a pure substance, and the specific heat capacity, often called simply specific heat,...

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Einstein solid

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specific heat problem in classical mechanics. The original theory proposed by Einstein in 1907 has great historical relevance. The heat capacity of solids...

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Debye model

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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...

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Isobaric process

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m}\end{aligned}}} where cP is molar heat capacity at a constant pressure. To find the molar specific heat capacity of the gas involved, the following equations...

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Relations between heat capacities

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In thermodynamics, the heat capacity at constant volume, CV{\displaystyle C_{V}}, and the heat capacity at constant pressure, CP{\displaystyle C_{P}},...

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Temperature

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Q}{\Delta T}}.} If heat capacity is measured for a well-defined amount of substance, the specific heat is the measure of the heat required to increase...

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Intensive and extensive properties

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refractive index specific conductance (or electrical conductivity) specific heat capacity, cp specific internal energy, u specific rotation, [α] specific volume...

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Free electron model

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and thermal conductivity; the temperature dependence of the electron heat capacity; the shape of the electronic density of states; the range of binding...

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Electronic specific heat

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physics the electronic specific heat, sometimes called the electron heat capacity, is the specific heat of an electron gas. Heat is transported by phonons and...

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Heat engine

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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...

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Latent heat

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Latent heat (also known as latent energy or heat of transformation) is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature...

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Enthalpy of fusion

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processes independently and using the specific heat capacity of water to be 4.18 J/(g⋅K); thus, to heat 1 kg of ice from 273.15 K to water at 293.15 K...

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Capacity

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plant Heat capacity, a measurement of changes in a system's internal energy Combining capacity, another term for valence in chemistry Battery capacity, the...

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Coolant

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the heat is transferred by convective or forced flow. Water is the most common coolant. Its high heat capacity and low cost make it a suitable heat-transfer...

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Gas constant

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{p}}-c_{\rm {v}}\ } where cp is the specific heat capacity for a constant pressure and cv is the specific heat capacity for a constant volume. It is common, especially...

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Equipartition theorem

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energies for a system at a given temperature, from which the system's heat capacity can be computed. However, equipartition also gives the average values...

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Differential scanning calorimetry

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a function of time. The reference sample should have a well-defined heat capacity over the range of temperatures to be scanned. Additionally, the reference...

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Ideal gas

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approximation). Since the heat capacity depends on the atomic or molecular nature of the gas, macroscopic measurements on heat capacity provide useful information...

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Cooling capacity

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Cooling capacity is the measure of a cooling system's ability to remove heat. It is equivalent to the heat supplied to the evaporator/boiler part of the...

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Entropy

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constant-volume molar heat capacity Cv is constant and there is no phase change. At low temperatures near absolute zero, heat capacities of solids quickly...

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