c) What are rough estimates for the characteristic intermolecular collision times,

\\\\tau _(collision,air )

and\

\\\\tau _(collision,water, )

, stated in terms of the sound speeds,

c_(air)

and

c_(water )

and the characteristic spacing between molecules,

l_(o,air)

and

l_(o, water )?

c) What are rough estimates for the characteristic intermolecular collision times, collision,air and collision,water, stated in terms of the sound speeds, cair and cwater, and the characteristic spacing between molecules, lo,air and lo,water