The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?

Answer 1

N2/N1 = exp(-(E2-E1) / kT)

k = boltzman constant = 1.38x10-23 J/K

0.69 = exp(-1.4x10-22 J / 1.38x10-23 J/K T)

ln 0.69 = -1.4x10-22 / 1.38x10-23 T

rearrange to get T=___K

Physical chemistry?