2. A 1.0 mol sample of He (9) at 25°C is mixed with a 1.0 mol sample of Xe (9) at 50°C. Which of the following correctly predicts the changes in average kinetic energy and the Xelge speed of
the atoms that will occur as the mixture approaches thermal equilibrium?
Average Kinetic Energy of Xe Atoms
Will increase
Average Speed of Xe Atoms
Will increase
Average Speed of Xe Atoms
Average Kinetic Energy of Xe Atoms
Will increase
Will decrease
Average Kinetic Energy of Xe Atoms
Will decrease
Average Speed of Xe Atoms
Will increase
Average Speed of Xe Atoms
Average Kinetic Energy of Xe Atoms
Will decrease
Will decrease