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what is the internal energy?
Most Upvoted Answer
what is the internal energy? Related: Introduction - Thermodynamics, ...
Internal energy of a system is the energy possessed by the system due to molecular motion and molecular configuration the energy due to molecular motion is called internal kinetic energy Uk and that due to molecular configuration is internal potential energy Up i.e U=Uk+Up.
Community Answer
what is the internal energy? Related: Introduction - Thermodynamics, ...
Internal energy
 (U) is 
defined
 as the total 
energy
 of a closed system.
 
Internal energy
 is the sum of potential 
energy
 of the system and the system's kinetic 
energy
.
The change in 
internal energy
 (ΔU) of a reaction is equal to the heat gained or lost 
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what is the internal energy? Related: Introduction - Thermodynamics, Class 11, Physics
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