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Heat loss by any route may be expressed in the general equation

H = kA(Tc−Ta).

where H is the loss in Joules/s, k is the cooling constant, A is the surface area, and Tc–Ta is the difference between coffee temperature and air temperature.

it takes about 4 joules of heat for the temperature of one gram of water to increase by 1 degree centegrade.

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Nova Porter

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5y ago

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