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Question: 22 gm of CO<sub>2</sub> at 27<sup>0</sup>C is mixed with 16 gm of O<sub>2</sub> at 37<sup>0</sup>C. ...

22 gm of CO2 at 270C is mixed with 16 gm of O2 at 370C. The temperature of the mixture is –

A

270C

B

30.50C

C

320C

D

370C

Answer

320C

Explanation

Solution

µ1 = 2244=12,\frac{22}{44} = \frac{1}{2}, µ2 = 1632=12\frac{16}{32} = \frac{1}{2}

use f12μ1RT1+f22μ2RT2=f12μ1RTmix+f22μ2RTmix\frac{f_{1}}{2}\mu_{1}RT_{1} + \frac{f_{2}}{2}\mu_{2}RT_{2} = \frac{f_{1}}{2}\mu_{1}RT_{mix} + \frac{f_{2}}{2}\mu_{2}RT_{mix}