Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Closed System, Reversible Process, & Enthalpy | EKC 222 | Group 9. and this video is uploaded by Areej USM at 2020-11-12T18:12:09-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [VRQuyvm7AWI]