i) In CO2, the first excited vibrational level is 30 kJ/mol above the ground level. Calculate the population in the first excited and ground vibrational level at 30°C.
ii) In a sample of atomic hydrogen at 25°C, what proportions of atoms are in the first excited electronic state if it lies between 100kJ/mol above the ground level?
iii) Calculate the ratio of the number of particles at 25°C separated by
a. 2 kcal/mol
b. 10 kJ/mol