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In a container of negligible mass, 0.200 kg of ice at an
Chapter 17, Problem 44E(choose chapter or problem)
In a container of negligible mass, 0.200 kg of ice at an initial temperature of - 40.0o C is mixed with a mass m of water that has an initial temperature of 80.0o C. No heat is lost to the surroundings. If the final temperature of the system is 28.0o C, what is the mass m of the water that was initially at 80.0o C?
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QUESTION:
In a container of negligible mass, 0.200 kg of ice at an initial temperature of - 40.0o C is mixed with a mass m of water that has an initial temperature of 80.0o C. No heat is lost to the surroundings. If the final temperature of the system is 28.0o C, what is the mass m of the water that was initially at 80.0o C?
ANSWER:Solution to 44E Step 1 Mass of ice, m=0.2kg i 0 Initial temperature of ice=-40 C=233.15K Mass of water =M 0 Initial temperature of water =80 C 0 Final temperature of system =28 C C ice0 J/kg-K C =4190 J/kg-K water L=3.34x10 J/kg 5 f