Question

You have boiling water on the stove and you turn the heat up to high. What...

You have boiling water on the stove and you turn the heat up to high. What will happen?

  

The temperature will increase.

   

The temperature will increase and the water will evaporate faster

   

The water will evaporate faster but the temperature will not increase

   

The pasta will cook quicker.

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Answer #1

Solution:

The correct answer is option 3. The water will evaporate faster but the temperature will not increase. Before water starts boiling the heat applied to the water will use to increase the temperature of the water. But once it starts to boil, the extra heat is used to change the water to steam keeping it at the same temperature(i.e boiling point). The heat required to change water to steam is it's latent heat of vaporisation. In the given question, water has reached its boiling point. Therefore third option is the correct answer.

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