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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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
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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