Answer to Question #42963 in Molecular Physics | Thermodynamics for mostafa

Question

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 and at constant pressure and gama constant
2-intial pressure
3-final temperature an pressure
4-change in root mean square velocity
5-change in mean kinetic energy of molecule
6-change in molar kinetic energy
7-change in internal energy and its sign
8-the mechanical work
9-what does this work