At ordinary temperatures, the molecules of an ideal gas have only translational and rotational kinetic energies. At high temperatures they may also have vibrational energy . As At ordinary temperatures the molecules of an ideal gas have only translational and rotational kinetic energies. At high temperatures they may also have vibrational energy . As October 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related