Why is the constant temperature of boiling water on a hot stove evidence that boiling is a cooling process? (What would happen to its temperature if boiling were not a cooling process?)
To Explain:The constant temperature of boiling water on hot stove is evidence that boiling is a cooling process.
Explanation of Solution
Introduction:
At boiling point, temperature of the substance becomes constant.
When water is boiled, the heat is transferred to each water molecule. It gives kinetic energy to molecules and water molecules start moving faster and converted to vapor phase with rise in a temperature to boiling point. The atmospheric pressure, here allows the vapors to condense again and change into water (liquid phase). This is the evidence that the boiling is a cooling process. If boiling were not a cooling process,water’s temperature would continue to rise.
Conclusion:
Thus, constant temperature of boiling water on hot stove is an evidence that boiling is a cooling process.
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