Find the speed of sound in a mixture of 1 mole of helium and 2 moles of oxygen at `27^(@)C`. If the temperature is raised by 1K from 300K, find the percentage change in the speed of sound in the gaseous mixture.
Take `R=8.31Jmo l e^(-1)K^(-1)`.

Find the speed of sound in a mixture of 1 mole of helium and 2 mole of oxygen at 27^(@)C

If the temperature is raised by 1 K from 300 K, the percentage change in the speed of sound in the gaseous mixture is [R=8.314" J mol"^(-1)K^(-1)]

A gaseous mixture enclosed in a vessel of volume V consists of one mole of a gas A with gamma=(C_p//C_v)=5//3 and another gas B with gamma=7//5 at a certain temperature T. The relative molar masses of the gasses A and B are 4 and 32, respectively. The gases A and B do not react with each other and are assumed to be ideal. The gaseous mixture follows the equation PV^(19//13)=constant , in adiabatic processes. (a) Find the number of moles of the gas B in the gaseous mixture. (b) Compute the speed of sound in the gaseous mixture at T=300K . (c) If T is raised by 1K from 300K, find the % change in the speed of sound in the gaseous mixture. (d) The mixtrue is compressed adiabatically to 1//5 of its initial volume V. Find the change in its adaibatic compressibility in terms of the given quantities.

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