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Thermodynamics and Statistical Mechanics

What happens to heat in the second law of thermodynamics?

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2010-12-15 18:19:00
2010-12-15 18:19:00

In the second law of thermodynamics, heat is converted and a good portion of it is lost.

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The second law does not allow complete conversion of heat into work.



A heat engine of 100 percent efficiency violates the second law of thermodynamics and is impossible even in theory.


That is a consequence of the second and third laws of thermodynamics.


The second law of thermodynamics states that heat will always flow from a region of higher temperature to a region of lower temperature.


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Law of thermodynamics deals with the heat energy involved in a reaction. According to second law of thermodynamics, the energy system tries to increase the entropy. The entropy is a measure of chaos of molecules.


Yes - the second law states that heat cannot be completely converted into useful work.


heat being completelyconverted into mechanical energy


The closest law is the Second Law of Thermodynamics. Note that not necessarily "most" energy will be converted to unusable heat, but it is almost inevitable that some will.



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The first law of thermodynamics is: Energy cannot be made or destroyed. But heat energy can be used to power movement energy, and movement energy can turn into heat energy. The second law of thermodynamics is: Heat energy always moves from hot things to cold things (this is why the sun will heat up cold lemonade if the lemonade is left outside on a hot day).


Heat cannot of itself pass from a colder body to a hotter body.


As stated by the expert: The First Law of Thermodynamics IS the Law of Conservation of Energy. The Second Law of Thermodynamics is not directly related; however, it provides additional restrictions, as to what can, and what cannot, be achieved.


By the first law of thermodynamics, energy is conserved - i.e. the sum of the useful work and the energy lost to heat will equal the energy you started with. The second law states that you will never get 100% energy efficiency.


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Yes. Heat flows from a warmer to a cooler substance. The technical term is: The Second Law of Thermodynamics.


Application of first law of thermodynamics is in engine, refrigerator,heat pump.


That would be the implication of the second law of thermodynamics.



"Unavailable for doing work" is related to the Second Law of Thermodynamics.


The second law of thermodynamics states essentially that it is impossible for heat to flow from a cooler body to a hotter one, without the performance of work by an external agency. I'm not sure how this relates to your wording of 'matter and energy'.




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