Question

Why does cold water heat up faster than warm water?

Answer 1

Cold water does not boil faster than hot water. ... As a result, cold water will be absorbing heat faster while it is still cold; once it gets up to the temperature of hot water, the heating rate slows down and from there it takes just as long to bring it to a boil as the water that was hot to begin with.
Further ,According to the 2nd law of thermodynamics, heat always flows from a hotter body to the colder one. Warm water has more energy than the surroundings, and therefore it loses heat to the colder surroundings while getting heated. ... Hence ice-cold water gets heated up faster.J

Answer 2

Here is your answer:

Cold water does not boil faster than hot water. ... As a result, cold water will be absorbing heat faster while it is still cold; once it gets up to the temperature of hot water, the heating rate slows down and from there it takes just as long to bring it to a boil as the water that was hot to begin with.Further ,According to the 2nd law of thermodynamics, heat always flows from a hotter body to the colder one. Warm water has more energy than the surroundings, and therefore it loses heat to the colder surroundings while getting heated. ... Hence ice-cold water gets heated up faster.J

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