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CGP EDU Academic Team
Published on: September 12, 2026
The temperature of 0ºC is both the temperature at which ice melts and that at which water freezes, as is well known. What will happen if we put a piece of ice at temperature 0ºC into a vessel containing water also at 0ºC?
Text Solution
Verified by ExpertsThe correct answer is:
A
Step 1: Understand that at 0ºC, ice and water are in equilibrium.
Step 2: The heat transfer will occur between the ice and water.
Step 3: Until the ice melts completely at 0ºC, there will be no temperature change in either water or ice.
Step 4: Thus, the system will remain at 0ºC while the phase transition happens.
Therefore, the ice will start to melt, but the temperature of the entire system will remain at 0ºC.
Step 2: The heat transfer will occur between the ice and water.
Step 3: Until the ice melts completely at 0ºC, there will be no temperature change in either water or ice.
Step 4: Thus, the system will remain at 0ºC while the phase transition happens.
Therefore, the ice will start to melt, but the temperature of the entire system will remain at 0ºC.
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