Homework for exercise: Serway at al. 3^rd edition, chapter 9, problem 3, and chapter 10, problem 1. You know where to find the questions and answers.

For credit: Helium atoms have spin 0 and are, therefore, bosons.

(1) Must we use the Bose-Einstein distribution at standard temperature and pressure to describe helium gas, or will the Maxwell–Boltzmann distribution suffice?

(2) Helium becomes a liquid with a density of 0.145 g cm^-3 at 4.2 K and atmospheric pressure. Must Bose-Einstein statistics be used in this case? Full points only for fully worked out solutions including the physical units.

There will be no more homework in this course. Prepare yourself for the final exam instead.