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Results tagged with entropy
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user 27572
For questions about the thermodynamical state function entropy, commonly understood as a measure of disorder.
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Entropy and Heat Capacity Trend in water
It is my understanding that entropy and heat capacity essentially measure the same thing. … Since entropy is the ratio of heat (translational, rotational, vibrational movement) to temperature (translational movement), a substance with higher entropy (heat/temperature ratio) would require more …
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Entropy and enthalpy of hydrogen ion?
The absolute entropy of $\ce{H^+ (g)}$ is $\ce{108 kJ/mol.K}$. However, the absolute entropy of $\ce{H^+ (aq)}$ is exactly 0. Why is that? …
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Intuition on Gibbs Free Energy
In many places, I read that Gibbs Free Energy is called "free energy" because some of the enthalpy that comes from the chemical reaction becomes "waste heat" due to a change in the entropy of the system … Take an exothermic reaction with a positive change in entropy for example. …
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Why can't a reaction go to completion?
The explanation given on this page (see Chemical reactions and mixing) is that there is a Gibbs free energy change caused by the entropy change by mixing; therefore, it is always energetically favorable … The first one is a macroscopic view that involves entropy of the whole system; the second one involves the distribution of speeds of the molecules themselves. …
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