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The pressure on air in a scuba diver's lungs can change from 1.0 atm at the...

The pressure on air in a scuba diver's lungs can change from 1.0 atm at the surface to 10.0 atm at 100 m. If the temperature of the water stays constant at 15 C, what is the change in molar Gibbs energy assuming air is a perfect gas.

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Answer #1

we know

given data

P1 = 1.0 atm

P2 = 10 atm

T = 150C + 273 = 288K

molar gibbs energy = 2.303RT log (P2/P1)

                             = 2.303 * 8.314 * 288 * log (10 / 1)

                             = 5.5143 KJ / mol.

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