Second law of thermodynamics

  • #1
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I would like to know if 100 watts of electricity can boil a liter of water over time. If the vessel containing the water is insulated say with arogel insulation or a partial vacuum. The reason for asking this question, in the second law of thermodynamics it says that "heat goes from a region of high heat to a region of less heat". So will the heat in the container once it has reached 100 watts start traveling into the electric cable, or will the the 100 watts of electricity no longer travel into the container, or will the heat be maintained at 100 watts
 

Answers and Replies

  • #2
You should go back to basics as the watt is not a unit of energy but a unit of power such that power = energy / time, more explicitly J/s. So you cannot talk of 100 watts of heat in the container.

Temperature is also not heat.
 
  • #3
...however, 100w can certainly boil a small, insulated container of water.
 

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