A 600 gm of helium gas occupy 2 liters at 80c suddenly expanded (adiabatic) to volume 3 liter calculate 1-molar heat capacities at constant volume an constant pressure and gama constant 2-initial pressure 3-final tempreature and pressure 4-change in root mean square velocity 5-change in mean kinetic energy of molecule 6-change in molar kinetci energy 7-change in internal energy and its sign 8-the mechnical work 9-what does this work
