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2015-04-02T01:56:00+05:30

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Speed of sound in an ideal gas :

v=\sqrt{\frac{\gamma\ R\ T}{M}}=\sqrt{\frac{\gamma\ P}{\rho}}=\sqrt{\frac{\gamma\ k_B\ T}{m}}

        γ = ratio of specific heats = 1.4 for diatomic gases. = same for both gases.
         T = absolute temperature = constant for this case.
         R universal gas constant.
         M = molar mass of the gas.
         k_B = Boltzmann's constant
         m = mass of a molecule of gas.

\frac{v_{oxygen}}{v_{chlorine}}=\sqrt{\frac{M_{chlorine}}{M_{oxygen}}}\\\\=\sqrt{\frac{72}{32}}=\frac{3}{2}\\\\v_{oxygen}=220\ m/s * \frac{3}{2}=330\ m/s

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