Problem-Solving: Calorimetry with Phase Changes 1. Six kg of ice at –7.00°C is added to a cooler holding 32.0 kg of water at 20.0°C. What is the temperature of the water when it comes to equilibrium? a) Calculate the amount of heat needed to raise the temperature of the ice to 0.00°C. b) Calculate the amount of heat needed to melt the ice. c) Write an expression (the final temperature is unknown) for the amount of heat needed to change the temperature of water that just melted. d) Write an expression (the final temperature is unknown) for the amount of heat associated with the change in water temperature. e) Combine your results into the conservation of heat equation Qice + Qmelt + Qice-wa + Qwater = 0

Problem-Solving: Calorimetry with Phase Changes 1. Six kg of ice at –7.00°C is added to a cooler holding 32.0 kg of water at 20.0°C. What is the temperature of the water when it comes to equilibrium? a) Calculate the amount of heat needed to raise the temperature of the ice to 0.00°C. b) Calculate the amount of heat needed to melt the ice. c) Write an expression (the final temperature is unknown) for the amount of heat needed to change the temperature of water that just melted. d) Write an expression (the final temperature is unknown) for the amount of heat associated with the change in water temperature. e) Combine your results into the conservation of heat equation Qice + Qmelt + Qice-wa + Qwater = 0

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter14: Heat And Heat Transfer Methods

Section: Chapter Questions

Problem 53PE: A person inhales and exhales 2.00 L of 37.0C air, evaporating 4.00102g of water from the lungs and...

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