What is “heat capacity”?
amount of heat required to raise the temperature of 1 gram of a substance by 1 degree C
Heat capacity is a physical property of a substance that represents the amount of heat energy required to raise the temperature of a unit mass of that substance by one degree Celsius or one Kelvin. It is denoted by the symbol C and has units of J/(kg⋅K) or cal/(g⋅K). Heat capacity is also defined as the ratio of the heat energy absorbed by a substance to the corresponding temperature increase. It is an important concept in thermodynamics and is used to calculate the amount of energy needed to heat or cool a substance, as well as to predict changes in temperature due to the transfer of heat. The heat capacity of a substance depends on its chemical composition, phase, and temperature, and can vary widely between different materials.
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