If a gas is heated at constant pressure, then what percentage of total heat supplied is used up of external work ? (r=4/3) If a gas is heated at constant pressure then what percentage of total heat supplied is used up of external work ? (r=4/3) September 12, 2021 Category: Chapter 15 - Thermodynamics , MTG NEET Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related