Specific heat capacity

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An explanation of how to determine the energy required to change the temperature of a substance: specific heat capacity.

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could you do an example question using Newton's Law of Cooling please, something like: Two cups of coffee (each 150g) at 90 degrees celsius. Cup A has 50g of 15 degree milk added and then sits for 5 minutes. Cup B sits for 5 minutes, then has 50g of 15 degree milk added. Which cup, A or B, is hotter after 5 minutes? Take coffee and milk to both have specific heat of 1. Thanks.

davidsweeney