Why are the freezing point & melting point of water 0 degree Celsius? Why are they same?
Asked by janasati | 2nd Jan, 2009, 08:23: PM
Whether ice melts or water freezes at 00 C depends on the state by which we attain the temperature. Essentially the two states differ by energy equivalent to latent heat of ice. For example if we have water at room temperature and we start decreasing temperature, then freezing point is atained. While if we start from ice at few negetive degrees celsius and keep increasing the temperature it goes to ice at 0 degrees celsius ,then absorbs the latent heat and starts melting. So essentiay both the temperatures are same.
Answered by | 5th Jan, 2009, 11:21: AM
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