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Covers the study of (primarily homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using the tag: [statistical-mechanics].
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How do we know that the idea of entropy is true? [duplicate]
How do we know that the idea of Entropy is True?
What I mean is,
Do we really know "Scientifically" that Entropy of Universe is Bound to increase?
Or
We know it "Statistically" that Entropy of Uni …
0
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1
answer
267
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Why heat capacity of an ideal gas varies with temperature? Why can't it remain the constant?
Why heat capacity of an ideal gas varies with temperature? Why can't it remain the constant?
Is there any molecular reason why the heat capacity of a gas cannot remain constant with temperature?
Ho …
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1
answer
188
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Pressure and molecular average kinetic energy in ideal, incompressible and static liquid in ...
We know that in liquids pressure increases with depth. We also know that pressure is nothing but the rate of change of momentum per unit time per unit area, during the collisions of different molecule …
0
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2
answers
335
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Is an Isothermal Process really possible? Heat cannot convert into work with 100% efficiency!
We know that heat is an energy of higher entropy (Diffused/Dispersed Energy). Work is the energy of lower entropy (Concentrated form of Energy). We know that entropy cannot reduce on its own, but we s …
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2
answers
226
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Why various molecules in an ideal gas at a particular temperature can have only quantized en...
Peter Atkins also talks about in his book "Very short introduction to Thermodynamics", but in the book, he did not explain the reason behind it.
How do we know that such energy levels are there? … Reference: https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Thermodynamics/Energies_and_Potentials/Entropy …
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0
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Why Maxwell Distribution of Velocities curve is Bell Shaped? Is there any intuitive and/or q... [duplicate]
Why Maxwell Distribution of Velocities curve is Bell Shaped?
Apart from mathematics,
Is there any intuitive reason behind it?
Is there any quantum mechanical reason behind it?
Is there any explan …
9
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5
answers
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Is it necessary that friction will produce heat?
The reason this question comes to my mind is, in thermodynamics, if we say that a process is reversible when it is slow, then there should not be any heat production despite having frictional/viscous forces …
39
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4
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Why most distribution curves are bell shaped? Is there any physical law that leads the curve...
All the graphs shown below come from completely different fields of studies and still, they share a similar distribution pattern.
Why most distribution curves Bell Shaped? Is there any physical law …
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Is concept of entropy really indispensable? Especially when the concept of potential energy ...
The principle of minimum energy is essentially a restatement of the second law of thermodynamics.
Consider, for one, the familiar example of a marble on the edge of a bowl. …
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2
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246
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Which is more fundamental - a system's tendency to minimize it's energy or a system's tenden...
The idea of the Minimum Energy Principle is the driving force behind Maximizing the Entropy or to have Maximum Entropy is a driving force behind a system's tendency towards Minimum Energy?
Both seem …
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2
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Can Increment / maximization of Entropy be the "Cause" behind any phenomena?
I understand that the increment/maximization of Entropy (of the universe) is "Accompanied" with all "Natural" phenomena we see. In many of the questions, I and others have asked on Stack Exchange, tha …
14
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5
answers
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Can Second Law of Thermodynamics / Entropy override Newton's Laws?
And this is where I have the question - Can Second Law of Thermodynamics / Entropy override Newton's Laws? … the second law of thermodynamics and any other law then second law will win. …
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2
answers
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Can heat be converted into work with 100% efficiency in a non-cyclic, single step process?
If yes, then isn't it a violation of the second law of thermodynamics? If no, then why not? …
23
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11
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Is concept of entropy really indispensable? Especially when the concept of potential energy ...
We see that all the natural systems aspire for minimum potential energy state and we also see that all the natural systems also aspire for maximum entropy state. Now from this understanding it seems t …