Anbsp 337 gnbspsilver spoon atnbsp 209 degcnbspis placed in


A  33.7 g silver spoon at  20.9 °C is placed in a cup of coffee at  93.1 °C. A short time later, the spoon is at  86.4 °C. If, during this same time, the temperature of the coffee has fallen by  1.9 °C, what is the mass of the coffee?  (csilver = 0.056 cal/g °C and assume ccoffee = 1.0 cal/g °C)

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