A camper pours 0.300 kg of coffee, initially in a pot at 70.0°C, intoa 0.120 kg aluminum cup initially at 20.0°C. What is the equilibriumtemperature? Assume that coffee has the same specific heat as waterand that no heat is exchanged with the surroundings.
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A camper pours 0.300 kg of coffee, initially in a pot at 70.0°C, into
a 0.120 kg aluminum cup initially at 20.0°C. What is the equilibrium
temperature? Assume that coffee has the same specific heat as water
and that no heat is exchanged with the surroundings.
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- Thank you!In Dexter’s lab, he pours 1.65kg of molten gold at 1063°C into a 1.30kg iron cauldron filled with 2.70kg of water both at 15.0°C. At the same moment he drops a 0.400kg piece of ice initially at -20.0°C into the cauldron and begins to stir. If we treat the cauldron and its contents as a calorimeter, what will be the final temperature for the system in degrees Celsius?What mass of water at 28.0°C must be allowed to come to thermal equilibrium with a 1.75-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 66.0°C? Assume any water turned to steam subsequently recondenses
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- What mass of water at 20.0°C must be allowed to come to thermal equilibrium with a 1.95-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 60.0°C? Assume any water turned to steam subsequently recondenses. kgA 1.19-kg sample of water at 13°C is in a calorimeter. You drop a piece of steel with a mass of 0.31 kg at 224°C into it. After the sizzling subsides, what is the final equilibrium temperature? Make the reasonable assumptions that any steam produced condenses into liquid water during the process of equilibration and that the evaporation and condensation taken together don't affect the outcome, as we'll see later. Hint The final equilibrium temperature of water and steel is °C. If the water is in a glass beaker with a mass of 0.2 kg, which in turn is in a calorimeter, with the beaker at the same temperature as the water, how will this affect the answer? Try answering before doing a detailed calculation. Final temperature will be higher but not significantly so. Final temperature will be significantly lower. Final temperature will be lower but not significantly so. Final temperature will be significantly higher. Using the setup in (b), the final equilibrium temperature of…What mass of water at 20.0°C must be allowed to come to thermal equilibrium with a 1.90-kg cube of aluminum initially at 150°C to lower the temperature of the aluminum to 70.0°C? Assume any water turned to steam subsequently recondenses. kg
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