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Calculate the change in the molar Gibbs energy of nitrogen gas when its pressure is increased
isothermally from 1.0 atm to 50.0 atm at 298 K
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- 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.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 isothermally increased from 1 atm to 1000 atm at 400 K. Based upon the calculated value of ΔGm, conclude if this process is spontaneous or not.
- 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.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.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.The standard enthalpy of combustion of liquid ethyl ethanoate (ethyl acetate, CH3COOC2H5) is −2231 kJ mol−1 at 298 K and its standard molar entropy is 259.4 J K−1 mol−1. Calculate the standard Gibbs energy of formation of the compound at 298 K.The standard molar entropy of benzene is 173.3 J K-1 mol-1. Calculate the change in its standard molar Gibbs energy when benzene is heated from 25°c to 45 °c.
- 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.Provide the formal definition of enthalpy and explain all symbols used in it. Explain how the change in enthalpy is related to certain thermodynamic property (other than Gibbs energy).