Approximately how much heat energy does it take to raise 1 kg of water by 1 k?

4186 Joules

Explanation:

The specific heat capacity of a substance is defined as the amount of heat needed to raise the temperature of 1 kg of the substance by 1 Kelvin. In formula,

where

Q is the amiunt of heat needed

m = 1 kg is the mass

is the variation of temperature of the substance

For water, the specific heat capacity is . This means that the heat energy required to raise 1 kg of water by 1 K is exactly 4186 J.

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