A student redid the experiment of mixing room-temperature water and warm water. This time, she doubled the amount of room-temperature water. How will the final temperature be different?

Answer:

It will be lower, because the temperature of the room-temperature water will not increase as much.

explaination:

When the student doubled the amount of room-temperature water, the total mass of the water in the mixture increased. Since the warm water has a higher temperature, it will transfer heat to the room-temperature water. However, with more room-temperature water present, it will absorb the heat more slowly, resulting in a lower final temperature than if the original amount of room-temperature water had been used. The larger volume of cooler water requires more energy to reach the same temperature as the warm water, thus leading to a lower equilibrium temperature in the mixture.

Topic: Thermodynamics, Heat Transfer

Tags: thermodynamics heat transfer temperature water mixture

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A student redid the experiment of mixing room-temperature water and warm water. This time, she doubled the amount of room-temperature water. How will the final temperature be different?

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