A 120-g mug at 21degreeesC is filled with 210 g of coffee at 91degreesC. Assuming all of the heat lost by the coffee is transferred to the mug, what

A 120-g mug at 21degreeesC is filled with 210 g of coffee at 91degreesC. Assumingall of the heat lost by the coffee is transferred to the mug, what is thefinal temperature of the coffee? The specific heat capacity of the mugis 7.8 102 J/(kgC).