Thermal equilibrium and isolation

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SUMMARY

Two objects are considered to be in thermal equilibrium when they are at the same temperature and can exchange heat without any net transfer of energy. In the case of an apple at 70 degrees F and an orange at 70 degrees F, despite being thermally isolated from one another, they are still in thermal equilibrium because their temperatures are equal. Thermal isolation does not negate the condition of thermal equilibrium, as it is defined solely by the equality of temperature.

PREREQUISITES
  • Understanding of thermal equilibrium concepts
  • Basic knowledge of temperature measurement
  • Familiarity with thermodynamic principles
  • Knowledge of heat transfer mechanisms
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  • Research the laws of thermodynamics
  • Explore the concept of thermal isolation in detail
  • Learn about heat transfer methods: conduction, convection, and radiation
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Students of physics, thermodynamics enthusiasts, and professionals in engineering fields who seek to deepen their understanding of thermal properties and heat transfer principles.

Benjamin Irwin
If two objects are at the same temperature, but thermally isolated from one another, are they still considered to be in thermal equilibrium with one another?
 
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Benjamin Irwin said:
If two objects are at the same temperature, but thermally isolated from one another, are they still considered to be in thermal equilibrium with one another?
Suppose that an apple on one side of the world was at 70 degrees F and an orange on the other side of the world were also at 70 degrees F. Can you see any reason why they should be considered as being in thermal equilibrium?
 

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