In a container of negligible mass, 0.200 kg of ice at an initialtemperature of -40.0°C is mixed with a mass m of water that has aninitial temperature of 80.0°C. No heat is lost to the surroundings. If thefinal temperature of the system is 28.0C, what is the mass m of thewater that was initially at 80.0°C?

In a container of negligible mass, 0.200 kg of ice at an initialtemperature of -40.0°C is mixed with a mass m of water that has aninitial temperature of 80.0°C. No heat is lost to the surroundings. If thefinal temperature of the system is 28.0C, what is the mass m of thewater that was initially at 80.0°C?

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Question

In a container of negligible mass, 0.200 kg of ice at an initial
temperature of -40.0°C is mixed with a mass m of water that has an
initial temperature of 80.0°C. No heat is lost to the surroundings. If the
final temperature of the system is 28.0C, what is the mass m of the
water that was initially at 80.0°C?

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