<documents_info>Carnot cycle efficiency. Entropy change in reversible and irreversible processes. Thermodynamic potentials: internal energy,enthalpy,Helmholtz free energy,Gibbs free energy.</documents_info>
<query>How can we calculate the efficiency of a heat engine operating between two thermal reservoirs?</query>
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<documents_info>Carnot cycle efficiency. Entropy change in reversible and irreversible processes. Thermodynamic potentials: internal energy,enthalpy,Helmholtz free energy,Gibbs free energy.</documents_info>
<query>How can we calculate the efficiency of a heat engine operating between two thermal reservoirs?</query>
user
Chunk
assistant
<query>How can we calculate the efficiency of a heat engine operating between two thermal reservoirs?</query>
<documents_info>Carnot cycle efficiency. Entropy change in reversible and irreversible processes. Thermodynamic potentials: internal energy,enthalpy,Helmholtz free energy,Gibbs free energy.</documents_info>