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  • A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal energy of the system will be,<stro

A gas mixture consists of 2 moles of oxygen and 4 moles of neon at temperature T. Neglecting all vibrational modes, the total internal energy of the system will be,

Option: 1

4\; RT


Option: 2

11\: RT


Option: 3

8\: \: RT


Option: 4

16\: RT


Answers (1)

best_answer

Internal energy of \mathrm{O}_2=\frac{5}{2} \mathrm{nRT}=\frac{5}{2} \times 2 \mathrm{RT}=5 \mathrm{RT}

Internal energy of \mathrm{Ne}=\mathrm{nRT}=\frac{3}{2} \times \mathrm{nRT}=\frac{3}{2} \times 4 \mathrm{RT}=6 \mathrm{RT}

Total energy of mixture (system) =5 R T+6 R T=11 R T

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