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A person makes a quantity of iced tea by mixing 620 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 94°C, when thermal equilibrium is reached what are the mixture's temperature Tf and (b) the remaining mass mẹ of ice? If T; = 63°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number Units (b) Number Units (c) Number Units (d) Number Units

A person makes a quantity of iced tea by mixing 620 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 94°C, when thermal equilibrium is reached what are the mixture's temperature Tf and (b) the remaining mass mẹ of ice? If T; = 63°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number Units (b) Number Units (c) Number Units (d) Number Units

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A person makes a quantity of iced tea by mixing 620 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 94°C, when thermal equilibrium is reached what are the mixture's temperature Tf and (b) the remaining mass mf of ice? If T; = 63°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number Units (b) Number Units (c) Number Units (d) Number Units
Transcribed Image Text:A person makes a quantity of iced tea by mixing 620 g of hot tea (essentially water) with an equal mass of ice at its melting point. Assume the mixture has negligible energy exchanges with its environment. (a) If the tea's initial temperature is T; = 94°C, when thermal equilibrium is reached what are the mixture's temperature Tf and (b) the remaining mass mf of ice? If T; = 63°C, when thermal equilibrium is reached what are (c) Tf and (d) m? The specific heat of water is 4186 J/kg-K. The latent heat of fusion is 333 kJ/kg. (a) Number Units (b) Number Units (c) Number Units (d) Number Units
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