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A 50-g ice cube at 0°C is heated until 45 g has become water at 100°C and 5.0 g has become steam at 100 °C. How much energy was added to accomplish the trans- formation?

A 50-g ice cube at 0°C is heated until 45 g has become water at 100°C and 5.0 g has become steam at 100 °C. How much energy was added to accomplish the trans- formation?

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Useful information In the absence of a seed crystal water can be cooled below its freezing point; this is called supercooling, or undercooling. specific heat of ice: Ci = 2090 kg °C specific heat of water: Cw = 4186 kg °C latend heat of fusion of Lf = 3.337 · 105 kJ water: latent heat of vaporiza- Ly = 2.256 · 106 kJ tion of water: specific heat of iron: CFe = 448 kg °C
Transcribed Image Text:Useful information In the absence of a seed crystal water can be cooled below its freezing point; this is called supercooling, or undercooling. specific heat of ice: Ci = 2090 kg °C specific heat of water: Cw = 4186 kg °C latend heat of fusion of Lf = 3.337 · 105 kJ water: latent heat of vaporiza- Ly = 2.256 · 106 kJ tion of water: specific heat of iron: CFe = 448 kg °C
P2. Phase transitions A 50-g ice cube at 0°C is heated until 45 g has become water at 100°C and 5.0g has become steam at 100 °C. How much energy was added to accomplish the trans- formation?
Transcribed Image Text:P2. Phase transitions A 50-g ice cube at 0°C is heated until 45 g has become water at 100°C and 5.0g has become steam at 100 °C. How much energy was added to accomplish the trans- formation?
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