Physics, 20.11.2019 21:31 sassy11111515
You pour 170 g hot coffee at 78.7°c and some cold cream at 7.50°c to a 115-g cup that is initially at a temperature of 22.0°c. the cup, coffee, and cream reach an equilibrium temperature of 57.0°c. the material of the cup has a specific heat of 0.2604 kcal/(kg · °c) and the specific heat of both the coffee and cream is 1.00 kcal/(kg · c). if no heat is lost to the surroundings or gained from the surroundings, how much cream did you add?
Answers: 2
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You pour 170 g hot coffee at 78.7°c and some cold cream at 7.50°c to a 115-g cup that is initially a...
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