Consider two flows, one of helium and one of air, at the same Mach number of 5. Denoting the strength of a normal shock by the pressure ratio across the shock, \(p_{2} / p_{1}\), which gas will result in the stronger shock? For a monatomic gas such as helium, \(\gamma=1.67\), and for a diatomic gas such as air, \(\gamma=1.4\).