State the law of equipartition of energy. Using this principle, obtain an expression for the molar specific heats of a diatomic gas.
a. Cₚ= 9/2 R, Cᵥ= 7/2 R
b. Cₚ= 7/2 R, Cᵥ= 9/2 R
c. Cₚ= 5/2 R, Cᵥ= 5/2 R
d. Cₚ= 7/2 R, Cᵥ= 7/2 R