Problem- one mole of ammonia initally at 5 degreecelcius is, Ask an Expert

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Problem- One mole of ammonia initally at 5 \[Degree]Celcius is placed in contact with 3 moles of helium initially at 90 [Degree]Celcius. Given that the average speed c under constant volume for ammonia is 3R, if the process is carried out at constant volume, what is the final temperature of the gas mixture?

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