Asked by Sam
why is 0 degress celsius considered both the freezing point of water and melting point of ice?
Answers
Answered by
Ms. Sue
Zero degrees Celsius is the exact temperature that water begins to freeze and ice begins to melt. Temperatures above 0 will cause ice to melt and below 0 will cause water to freeze.
Answered by
Leo
So then the question becomes:
At 0 degrees Celsius, is water a solid or liquid?
At 0 degrees Celsius, is water a solid or liquid?
Answered by
Ms. Sue
Yes.
Maybe it's slush.
Maybe it's slush.
Answered by
DrBob222
Ms Sue is right. A mixture of ice and water will have a temperature of zero Celsius. If heat is added all of it will melt but the temperature will not rise above zero C until the last bit of ice has melted. If heat is extracted all of it will freeze but the temperature of the mixture will not dip below zero C until the last bit of liquid water has frozen.
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