Subjects/Basic Physics/Thermodynamics/Internal energy of a monatomic ideal gas15. ThermodynamicsInternal energy of a monatomic ideal gasIn 15. ThermodynamicsFormulaCopy LaTeXU=23nRTChangeCopy LaTeXΔU=23nRΔTRelated formulasRelatedIdeal gas equationPV=nRTOpen formulaOpen in sectionRelatedThermodynamic workW=∫ViVfPdVOpen formulaOpen in section