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A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by...

A 5 L box contains 2.1 L of Argon and 2.9 L of Helium, separated by a partition. Both volumes are thermally isolated to the surroundings. The temperature of the box is 320 K and the pressure on both sides is 1.2 atm. After the partition is removed, and equilibrium is established:

● What will the temperature and pressure be?

● What is the change in internal energy Δ​U​ for the He+Ar system?

● What is the change in entropy Δ​S​?

Science   Advanced-Physics   
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