Would an object heat up or cool down more quickly?

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SUMMARY

In a scenario involving two identical objects placed in rooms at 25°C, one at 0°C and the other at 50°C, the object at 50°C will reach room temperature first, according to Newton's Law of Cooling. This principle indicates that the rate of heat transfer is influenced by the temperature difference between the object and its environment, as well as the heat convection coefficients. Additionally, water condensation on the cooler object may initially enhance heat transfer, but could later create an insulating layer that slows the process.

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Naser Tay
If we have two identical objects each placed in rooms at 25°C room temperature. In the first room, the object is at 0°C. In the second room, the object is at 50°C. Which object will reach the room temperature of 25°C first?
 
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Naser Tay said:
If we have two identical objects each placed in rooms at 25°C room temperature. In the first room, the object is at 0°C. In the second room, the object is at 50°C. Which object will reach the room temperature of 25°C first?
Are you familiar with Newton's Law of Cooling? What does it tell you about this situation?
 
Assuming the same heat capacity for the two objects (independent from temperature) it is mainly a matter of heat convection coefficients. eg. if the objects are fixed at the ceiling the hotter one will reach 25 C first.

Besides, water condensation on the cooler object surface at first will accelarate heat transfer but after some time it may produce an insulating layer that will also have to heat up to 25C and partly vaporise.
 

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