Heat Capacity Ratio
The ratio between heat capacity at constant pressure (Cp) and heat capacity at constant volume (Cv) is called the Heat Capacity Ratio.
It is denoted by the Greek symbol γ.
γ = Cp / Cv
Relation between Cp and Cv
Cp and Cv are the specific heats of an ideal gas at constant pressure and at constant volume respectively. They indicate the amount of heat required to raise the temperature of unit mass by one degree Kelvin at constant pressure and at constant volume. The relation between Cp and Cv is given as,
Cp – Cv = R
where R is universal Gas Constant
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Heat Capacity
Heat capacity or thermal capacity is an extensive property of matter, that defines its physical property. Heat Capacity is the amount of heat that must be applied to an object in order to cause a unit change in temperature. Heat capacity is measured in Joules per Kelvin (J/K), which is its SI unit. When heat capacity is divided by the mass of the substance, gives the corresponding intensive property called Specific Heat Capacity. Moreover, heat capacity divided by the amount of substance in volumes gives Molar Heat Capacity. Hence, in this article, we’ll understand the important concepts of Heat Capacity like its definition, explanation, formula, unit, specific heat capacity, molar heat capacity