Confusion about 2nd law of thermo

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SUMMARY

The discussion centers on the relationship between entropy and energy conservation in thermodynamics. It establishes that while entropy increases in a system, another form of energy, typically free energy, decreases, ensuring total energy conservation. The conversation also touches on the concept of value in relation to mass and price fluctuations, highlighting that value is not conserved despite mass conservation. Key references include the definition of free energy from Wikipedia.

PREREQUISITES
  • Understanding of thermodynamic concepts, particularly entropy and energy conservation.
  • Familiarity with the units of measurement for entropy (kJ/kg K) and energy (kJ).
  • Basic knowledge of free energy and its implications in thermodynamic systems.
  • Awareness of economic principles related to value and mass conservation.
NEXT STEPS
  • Research the laws of thermodynamics, focusing on the first and second laws.
  • Explore the concept of free energy in detail, including its calculation and significance.
  • Study the relationship between entropy and energy in various thermodynamic processes.
  • Investigate economic theories regarding value, mass, and price fluctuations.
USEFUL FOR

Students and professionals in physics, thermodynamics, and economics who seek to deepen their understanding of energy conservation, entropy, and the relationship between mass and value.

nate9519
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Entropy has units of kJ/kg K and energy has units of kJ. So my question is if entropy is not conserved how is energy conserved when there is a unit of energy within entropy?
 
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Hi nate:

In a system in which entropy increases, there will be another form of energy in the system which is decreasing so that the total energy is conserved. Generally this will be free energy, but AFAIK there technically might possibly be another category of energy other than "free energy" which would decrease as entropy increased.
See https://en.wikipedia.org/wiki/Free_energy .

Regards,
Buzz
 
If you have 90 lb of beef at $5/lb, the value of the beef is $450. Now the price goes up to $10/lb, and the value increases to $900. How come, if the value of the beef contains the mass of the beef as a factor, and mass is conserved, why isn't the value of the beef conserved?
 

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