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Question

Question: N moles of monoatomic gas having translational KE 2U per molecule are mixed adiabatically inside a r...

N moles of monoatomic gas having translational KE 2U per molecule are mixed adiabatically inside a rigid boundry container with N moles of diatomic gas having translational KE U per molecule. What is final temperature of mixture ?

A

3NAU8R\frac{3N_{A}U}{8R}

B

11NAU12R\frac{11N_{A}U}{12R}

C

3NAU12R\frac{3N_{A}U}{12R}

D

None

Answer

11NAU12R\frac{11N_{A}U}{12R}

Explanation

Solution

(n1 Cv1 + n2 Cv2) Tf = n1 Cv1 T1 + n2 Cv2 T2