2 mol of an idea gas 14 expands slowly and adiabatically, Ask an Expert

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2 mol of an idea gas ( = 1.4) expands slowly and adiabatically from a pressure of 4 atm and a volume of 10 L to a final volume of 25 L. The universal gas constant is 8.31451 J/K · mol. What is the final pressure? What is the initial temperature? What is the final temperature?

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