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“Total energy of system entering plus addition during process must equal to total energy of the system leaving” is which law of thermodynamics?

“Total energy of system entering plus addition during process must equal to total energy of the system leaving” is which law of thermodynamics? Correct Answer First law

First law of thermodynamics is a version of Law of conservation of energy, which states that Total energy given to the system is used to increase the internal energy of the system and the expansion (PV) work.

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