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Contradiction in the Carnot Cycle?

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Bob D
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1 answer
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Enthalpy at constant pressure/volume

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1 answer
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Modeling transient heat transfer between two 1D materials

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8 votes
6 answers
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The Preference for Low Energy States

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Does Kirchhoff's law of thermal radiation fail for optically thin sources?

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ProfRob
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1 answer
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Why is Sun's energy entropy low on Earth?

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2 votes
1 answer
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Vapor pressure of sublimating ice in vacuum

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Besides the 2nd law of thermodynamics, what laws of optics prevent the temperature of the focal point of lens from being hotter than the light source?

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5 votes
3 answers
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Nocturnal freezing of water: Calculation of radiation through atmosphere?

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1 vote
6 answers
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Heating an object with black body radiation to above the temperature of the source

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Roger V.
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3 answers
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When is the temperature relevant for a quantum many body system?

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Roger V.
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2 answers
2k views

A simple question on finding the number of macro states for a system of two Einstein solids

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8 votes
5 answers
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Does color temperature limit how much a laser of a given wavelength can heat a target?

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The usage of temperature in quantum mechanics

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