A ceramic coffee cup, with m = 116 g and c = 1090 J>1kg # K2,is initially at room temperature 124.0 °C2. If 225 g of 80.3 °C coffee and 12.2 g of 5.00 °C cream are added to the cup, what isthe equilibrium temperature of the system? Assume that no heatis exchanged with the surroundings, and that the specific heat ofcoffee and cream are the same as the specific heat of water.

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