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Calculate the difference in Gibbs energy of a prefect gas if the pressure is increased by 20% at room temperature.
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- Calculate the standard molar Gibbs energy of neon gas at 298 K.Calculate the change in the molar Gibbs energy of nitrogen gas when its pressure is increasedisothermally from 1.0 atm to 50.0 atm at 298 KEstimate the change in the Gibbs energy of 2 g of Argon when the pressure is increased from 760 mmHg to 100. atm at 300K.
- Calculate the change in the molar Gibbs energy of a perfect gas when its pressure is increased isothermally from 1.0 atm to 100.0 atm at 298 K.Use the fundamental equation of therodynamics here tocalculate the change Gibbs energy when 3.1 mmol N_2(g) occupying 3.0L at 350 K expandsisothermally to 15 L.Calculate (a) the standard reaction entropy and (b) the change in entropyof the surroundings (at 298 K) of the reaction N2(g) + 3 H2(g) → 2 NH3(g). (c) Hence calculate the standard Gibbs energy of the reaction.
- Calculate the change in the molar Gibbs energy of a perfect gas when its pressure is increased isothermally from 50.0 kPa to 100.0 kPa at 500 K.Calculate the change in molar Gibbs energy of carbon dioxide (treated as a perfect gas) at 20 °c when its pressure is changed isothermally from 1.0 bar to (a) 3.0 bar. (b) 2. 7 x 10-4 atm, its partial pressure in dry air at sea level.Without doing a calculation, decide whether the presence of (a) attractive, (b) repulsive interactions between gas molecules will raise or lower the molar Gibbs energy of a gas relative to its 'perfect' value.
- Estimate the change in the Gibbs energy of 1.0 dm3 of liquid octane when the pressure acting on it is increased from 1.0 atm to 100 atm. Given that the mass density of octane is 0.703 g cm−3, determine the change in the molar Gibbs energy.If we have a hydrophobic molecule in aqueous solution that makes contact with 25 water molecules, what is the change in molar Gibbs energy for adding this molecule into solution? Assume ΔH = 0 and T = 298 K.Calculate the standard reaction entropy and the standard Gibbs energy at 298 K of reaction 2CH3CHO(g) + O2(g) →2CH3COOH (l)