A 15.0-L tank containing 1.0 mol of argon gas is at 298 K. (a) Calculate the...

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Physics

A 15.0-L tank containing 1.0 mol of argon gas is at 298 K.

(a) Calculate the initial pressure of the gas and d, the lengthof the cube containing this volume.

(b) Using your value for d, calculate the energies of the twolowest translational energies for the system E1,1,1 and E2,1,1 andtheir differences  ΔE .

(c) The tank is opened and the gas is allowed to expand rapidlyinto a cubical 2000L room such that there is no heat exchange withthe surrounding.

Assuming n2,1,1/n1,1,1 remains constant, Determine the newtemperature of the gas.

Handwritten answers are preferred.

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