An insulated 0.2 m^3 tank contains helium at 1200 kPa and 47 C. A valve is now opened, allowing some helium to escape. The valve is closed when one-half of the initial mass has allowing some helium to escape. The valve is closed when one-half of the initial mass has An insulated 0.2 m^3 tank contains helium at 1200 kPa and 47 C. A valve is now opened October 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related