Heat Capacity Definition

What Is Heat Capacity in Chemistry?

Water is a chemical with an extremely high heat capacity. It takes a lot of energy to raise its temperature.
Water is a chemical with an extremely high heat capacity. It takes a lot of energy to raise its temperature. Erika Straesser / EyeEm / Getty Images

Heat Capacity Definition

Heat capacity is the amount of heat energy required to raise the temperature of a body a specified amount.

In SI units, heat capacity (symbol: C) is the amount of heat in joules required to raise the temperature 1 Kelvin.

Examples: One gram of water has a heat capacity of 4.18 J. One gram of copper has a heat capacity of 0.39 J.

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Helmenstine, Anne Marie, Ph.D. "Heat Capacity Definition." ThoughtCo, Mar. 27, 2016, thoughtco.com/definition-of-heat-capacity-605189. Helmenstine, Anne Marie, Ph.D. (2016, March 27). Heat Capacity Definition. Retrieved from https://www.thoughtco.com/definition-of-heat-capacity-605189 Helmenstine, Anne Marie, Ph.D. "Heat Capacity Definition." ThoughtCo. https://www.thoughtco.com/definition-of-heat-capacity-605189 (accessed December 11, 2017).