When heat Q is supplied to a diatomic gas of rigid molecules, at constant volume its temperature increases by ΔT. The heat required to produce the same change in temperature, at a constant pressure is:

When heat Q is supplied to a diatomic gas of rigid molecules, at const

1.	When heat Q is supplied to a diatomic gas of rigid molecules, at constant volume its temperature increases by ΔT. The heat required to produce the same change in temperature, at a constant pressure is:
A.	\(\frac{2}{3}{\rm{Q}}\)
B.	\(\frac{5}{3}{\rm{Q}}\)
C.	\(\frac{7}{5}{\rm{Q}}\)
D.	\(\frac{3}{2}{\rm{Q}}\)
Answer» D. \(\frac{3}{2}{\rm{Q}}\)