Answer :
The average kinetic energy is,
The root mean square speed is,
Explanation:
(a) The formula for average kinetic energy is:
where,
k = Boltzmann’s constant =
T = temperature = 370 K
Now put all the given values in the above average kinetic energy formula, we get:
The average kinetic energy is,
(b) The formula used for root mean square speed is:
where,
= root mean square speed
k = Boltzmann’s constant =
T = temperature = 370 K
M = atomic mass = 0.02 kg/mole
= Avogadro’s number =
Now put all the given values in the above root mean square speed formula, we get:
The root mean square speed is,