How much energy is needed to heat up 10 litres of water for a bath, if the temperature of cold water is 10 degrees and the bath temperature is 38 degrees?

1 Answer
James W.
Feb 27, 2018

#E = 1176000J#

Explanation:

Assuming the specific heat capacity of water is 4200 J / Kg / degrees C.

The mass of water (since 1L = 1Kg) is 10Kg, and the change in temperature is 38-10 = 28 degrees.

#E = mc Delta t#

#E = 10 * 4200 * 28#

#E = 1176000J#

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