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19 Αυγ 2024 · Specific Heat Capacity Unit and Formula. The unit of specific heat capacity in the International System of Units (SI) is joules per kilogram per Kelvin (J/kg·K). The equation used to calculate specific heat capacity (c) is: c=Q/mΔT. Where: Q is the amount of heat added (in joules), m is the mass of the substance (in kilograms),
11 Αυγ 2024 · The unit of specific heat is Joules per gram per degree Celsius or J/g∙ ∘ C. Another unit of specific heat is calories per gram per degree Celsius or J/cal∙ ∘ C. The temperature change (∆T) in the Celsius (C) scale is the same as that in the Kelvin (K) scale, although the temperature values differ.
Unlike the total heat capacity, the specific heat capacity is independent of mass or volume. It describes how much heat must be added to a unit of mass of a given substance to raise its temperature by one degree Celsius. The units of specific heat capacity are J/(kg °C) or equivalently J/(kg K).
The SI unit for specific heat is \(J/(kg \times K)\) or \(J/(kg \times ^oC)\). (Recall that the temperature change \(\Delta T\) is the same in units of kelvin and degrees Celsius.) Values of specific heat must generally be measured, because there is no simple way to calculate them precisely.
The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. The relationship between heat and temperature change is usually expressed in the form shown below where c is the specific heat.
28 Δεκ 2020 · The SI units of specific heat capacity are J/kgK (joules per kilogram × Kelvin). The specific heat varies depending on physical properties of a material. As such, it is a value you typically look up in a table.
