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define specific heat?

define specific heat?

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Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
Heat capacity, or thermal capacity, is a measurable physical quantity; it's the ratio of the heat added or subtracted to an object to the resulting temperature change.Heat capacity is an extensive property of matter, meaning it is proportional to the size of the system. When expressing the same phenomenon as an intensive property, the heat capacity is divided by the amount of substance, mass, or volume, so that the quantity is independent of the size or extent of the sample. The molar heat capacity is the heat capacity per unit amount (SI unit: mole) of a pure substance and the specific heat capacity, often simply called specific heat, is the heat capacity per unit mass of a material. Occasionally, in engineering contexts, the volumetric heat capacity is used.

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