A glass of water does not change into ice at 0 °C. What is the reason for this?
The reason a glass of water does not change into ice at 0°C is that to freeze the water, some amount of heat must be removed from it. Freezing occurs when water loses heat energy, causing its temperature to drop below its freezing point, which is 0°C.
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A glass of water does not change into ice at 0°C because, for the water to freeze, some amount of heat must be removed from it. Freezing is a phase transition from liquid to solid that occurs when the temperature of the substance decreases to its freezing point. At 0°C, the water reaches its freezing point, but freezing does not occur until enough heat energy is removed to lower the temperature below this point.
This process of heat removal is necessary to break the intermolecular bonds between water molecules, allowing them to arrange into a crystalline structure characteristic of ice. Until sufficient heat is removed, the water remains in its liquid state, even at the freezing point. Therefore, the correct answer is [C] To freeze the water in the glass, some amount of heat is necessary to be removed from it.