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What quantity of energy does it take to convert 0.500 kg ice at –20.°C to steam at 250.°C?

Specific heat capacities: ice, 2.03 J/g • °C; liquid, 4.2 J/g . °C; steam, 2.0 J/g • °C; 

∆Hvap = 40.7 kJ/mol; 

∆Hfus = 6.02 kJ/mol.

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Tauseef Shaikh
Tauseef ShaikhLv10
15 Dec 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

1. Suppose0.0290 kg of steam (at 100.00°C) is added to 0.290 kg of water(initially at 19.1°C.). The water is inside a copper cup of mass27.3 g. The cup is inside a perfectly insulated calorimetrycontainer that prevents heat flow with the outside environment.Find the final temperature (in °C) of the water after equilibriumis reached.

2. A coppersheet of thickness 2.25 mm is bonded to a steel sheet of thickness1.29 mm. The outside surface of the copper sheet is held at atemperature of 100.0°C and the steel sheet at 26.1°C.

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3. Fora class demonstration, your physics instructor pours 1.18 kg ofsteam at 100.0°C over 4.81 kg of ice at 0.0°C and allows the systemto reach equilibrium. He is then going to measure the temperatureof the system. While the system reaches equilibrium, you are giventhe latent heats of ice and steam and the specific heat of water:Lice = 3.33·105 J/kg,Lsteam =2.26·106 J/kg, cwater =4186 J/(kg °C). You are asked to calculate the final equilibriumtemperature (in °C) of the system. What value do youfind?

NOTE: Answer in grams. Given: The specific heatofwater is 4186 J/kg ·? C.

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