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Air is a mixture of gases with the following mass percentage composition: 75.52% N2, 23.15% O2,...

Air is a mixture of gases with the following mass percentage composition: 75.52% N2, 23.15% O2, 1.28% Ar, and 0.046% CO2.

A. What are the partial pressures of N2, O2, Ar, and CO2 when the total pressure is 1.100 atm?

B. Calculate the molar Gibbs energy of mixing of air at 25C assuming ideal gas behavior.

C. Determine the molar enthalpy of mixing and the molar entropy of mixing for air at 1.100 atm and 25C.

D. Is the mixing of pure gases to form air spontaneous? How does the total pressure affect spontaneity of gas mixing?

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queen_honey_blossom answered 2 years ago
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