What Is the Specific Heat of Water?


Quick Answer

The specific heat of water at a temperature of 25 degrees Celsius is 4.181 KJ/Kg*K. The specific heat of water is higher than that of most other materials, which is why water plays an important role in temperature regulation.

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Full Answer

The specific heat of a substance is a measure of the amount of heat per unit mass transferred to the object that causes a one-degree increase in temperature. Objects with high specific heat, such as water, can absorb a large amount of heat before changing temperature. Objects with a low specific heat, such as metal, rapidly change temperature when heat is introduced. This relationship does not apply during a phase change, where high amounts of heat can be added without a change in temperature.

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