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@wikipedia


Universal relation between
 Isobaric molar heat capacity (cP) and  Isochoric molar heat capacity (cV):

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anchorMAYER
alignmentleft
 c_P - c_V = V_m \, T \, \frac{\alpha_V^2}{\betac_T}

where

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bodyT

temperature

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bodyV_m

molar volume

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body\betac_T

isothermalIsothermal compressibilityCompressibility

LaTeX Math Inline
body\alpha_V

thermal expansion coefficient

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