All Problems Transport Phenomena
Problem 2.237
How will a diffusion coefficient \(D\) and the viscosity coefficient \(\eta\) of an ideal gas change if its volume increases \(n\) times: (a) isothermally; (b) isobarically?
2.237. (a) \(D\) increases \(n\) times, \(\eta=\) const; (b) \(D\) increases \(n^{3 / 2}\) times, \(\eta\) increases \(\sqrt{n}\) times.