An Ideal Gas of N Monatomic Molecules Is in Thermal

Multiple Choice

An ideal gas of N monatomic molecules is in thermal equilibrium with an ideal gas of the same number of diatomic molecules and equilibrium is maintained as temperature is increased.The ratio of the changes in the internal energies ΔE_{dia /} ΔE_mon is:

A) 1/2
B) 3/5
C) 1
D) 5/3
E) 2