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Consider two sets of mixture of gases X and Y having the same total temperature of the mixture and having total pressures PX and PY respectively. If PX = 1.4 PY and molecular mass of A MX = 2.3 x MY, determine the ratio of Vmix_X/Vmix_Y.

Consider two sets of mixture of gases X and Y having the same total temperature of the mixture and having total pressures PX and PY respectively. If PX = 1.4 PY and molecular mass of A MX = 2.3 x MY, determine the ratio of Vmix_X/Vmix_Y. Correct Answer 0.31

Assuming the mixture of gases to be ideal, we have P = R’T/MVmix where Vmix is the specific volume of the mixture and R’ is the universal gas constant. PX/PY = (TX/TY) x (MYVmix_Y/MXVmix_X) Vmix_X/Vmix_Y = (MY/MX) x (TX/TY) x (PY/PX) = (1/2.3) x 1 x (1/1.4) = 0.31.

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