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Lemma 4 (45 Pt) (5 pt:) 2 moles of argon at 300K and pressure of 1 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm: What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings). (5 pt:) 2 moles of argon at 1000 K and pressure of 1 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm. What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings). (5 pt:) 2 moles of argon at 300 K and pressure of 0.5 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm. What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings).

          Lemma 4 (45 Pt)
(5 pt:) 2 moles of argon at 300K and pressure of 1 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm: What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings).
(5 pt:) 2 moles of argon at 1000 K and pressure of 1 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm. What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings).
(5 pt:) 2 moles of argon at 300 K and pressure of 0.5 atm are mixed with 4 moles of neon at 300 K and pressure of 1 atm. What is the change in entropy? Assume ideal gas behavior, constant overall volume, and adiabaticity (i.e. no heat exchange with the surroundings).

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