Subjects/Basic Physics/Thermodynamics/Isothermal process of an ideal gas15. ThermodynamicsIsothermal process of an ideal gasIn 15. ThermodynamicsFormulaCopy LaTeXPV=constanteWorkCopy LaTeXW=nRTln(ViVf)For an ideal gasCopy LaTeXΔU=0,Q=WRelated formulasRelatedIdeal gas equationPV=nRTOpen formulaOpen in sectionRelatedFirst law of thermodynamicsΔU=Q−WOpen formulaOpen in section