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## Homework Statement

Two thermally insulated vessels are connected by a narrow tube fitted with a valve that is initially closed as shown in the figure below. One vessel of volume

*V*1 = 15.1 L,contains oxygen at a temperature of

*T*1 = 320 K and a pressure of

*P*1 = 1.70 atm. The other vessel of volume

*V*2 = 22.5 L contains oxygen at a temperature of

*T*2 = 445 K and a pressure of

*P*2 = 1.90 atm. When the valve is opened, the gases in the two vessels mix and the temperature and pressure become uniform throughout.

pic link : https://scontent-syd1-1.xx.fbcdn.ne...=4162bc2084f4f11ae61a2e1ad7058f8f&oe=572F8C7C

Can someone pls explain to me how you would go about solving this question, I have looked through my physics textbook but finding it hard to know where to start with this question.

Thanks.[/B]