english: ln[P1/P2] = [Cp / Cv] ln [V2/V1] (16) For step ii the temperature is restored to T1,
non_english: Hukum Charles ([p1 v1] / T1 = [p2 v2] / T2) nerangake kenaikan suhu nalika prau ditekan lan pangurang suhu kanthi depresurisasi.