The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if...
2. The Clausius-Claperyron equation may be integrated assuming a temperature independent enthalpy: ſ“ din p = 6 REJAT In P2 AH 1 11 RTTI Use the Clausius-Clapeyron equation to determine the boiling point of water on top of Mt. Whitney given the following information. Avap Hm(H2O) = 40.7 kJ/mol, p(Mt. Whitney) = 5.88 x 10' Pa, and Tvap = 373 K in San Rafael at a pressure of 1.02 x 10 Pa. In the following questions, we will estimate the...
Estimate the value of the equilibrium constant at 630 K for each of the following reactions. ΔG∘f for BrCl(g) is −1.0 kJ/mol. The standard molar entropy, S∘, for BrCl(g) is 240.0 J/mol⋅K. Br2(g)+Cl2(g)⇌2BrCl(g) .ΔH∘f for BrCl(g) is 14.6 kJ/mol.
8. Calculate the change in the chemical potential of a perfect gas when its partial pressure doubles at a temperature of 200°C. 9. Determine the molar Gibbs energy of mixing for the formation of an equimolar mixture of two perfect gases at a temperature of 298 K. 10. An ideal solution is prepared by mixing 15.6 g of toluene, CsH CH3, and 136.2 g of n-butanol, C4H2OH at 25 °C. The vapour pressure of pure n-butanol is 885 Pa at...
The standard cell potential for the fuel cell 2 H2(g) + O2(g) → 2 H2O(l) is E° = +1.23 V at 298 K and +1.18 at 358 K. Estimate the standard entropy change of the cell reaction. Use Table 7.1. to determine v (E-E) A. Sº = vF 7. 0 -160 J mol-1 K-1 0-320 J mol-1 k-1 O-107 J mol-1 K-1 0 -80 J mol-1 k-1
Estimate the value of the equilibrium constant at 635 K for each of the following reactions. ?G?f for BrCl(g) is ?1.0 kJ/mol. The standard molar entropy, S?, for BrCl(g) is 240.0 J/mol?K. 2NO2(g)?N2O4(g). ?H?f for N2O4(g) is 9.16 kJ/mol. Br2(g)+Cl2(g)?2BrCl(g) .?H?f for BrCl(g) is 14.6 kJ/mol.
This is physical chemistry problem from
Atkins
5. [20 (1) The variation of chemical potential, u of a perfect gas with pressure can be expressed as follows: Au RT ln Derive the below equation for Gibbs energy of mixing, when two gases of A and B are mixed at constant pressure, p and temperature, T. (2) Calculate the molar Gibbs energy of mixing when the two major components of air (nitrogen and oxygen) are mixed to form air at 298...
Estimate the value of the equilibrium constant at 625 K for each of the following reactions. ΔG∘f for BrCl(g) is −1.0 kJ/mol. The standard molar entropy, S∘, for BrCl(g) is 240.0 J/mol⋅K 1- 2NO2(g)⇌N2O4(g). ΔH∘f for N2O4(g) is 9.16 kJ/mol. 2- Br2(g)+Cl2(g)⇌2BrCl(g) .ΔH∘f for BrCl(g) is 14.6 kJ/mol.
2) (3 pts) What is the change in the chemical potential of sucrose when its concentration in water at 25.0°C is changed from 0.150 mol dm-3 to 1.00 mol dm ? Given R= 8.3145 J K-mor!
Calculate the standard entropies for the following chemical
reactions.
Sulfur S(s, rhombic) 31.88 430.9 S818) 49.7 -300.4 SO2(8) SO;(8) SO2 (aq) 102.3 - 296.9 -395.2 -909.3 -370.4 -744.5 248.5 256.2 20.1 217.94 203.26 114.60 Hydrogen Hg) H(aq) H*(8) H2(8) 0 1536.2 1517.0 108.9 130.58 Iodine I(8) 1 (8) 106.60 -55.19 62.25 70.16 -51.57 19.37 12(8) 12(8) HI(g) 180.66 111.3 260.57 116.73 206.3 25.94 1.30 Entropy changes for a reaction can be estimated in a manner analogous to that by which...
The standard enthalpy change for the following reaction is -415 kJ at 298 K. Zn(s) + Ch(g) → ZnCl2() AH° = -415 kJ What is the standard enthalpy change for the reaction at 298 K? ZnCl(s) — Zn(s) + Cl2(g) The standard enthalpy change for the following reaction is -50.6 kJ at 298 K. N2H40 - N2(g) + 2 H2(g) AH° = -50.6 kJ What is the standard enthalpy change for this reaction at 298 K? N2(g) + 2 H2(g)...