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- Calculate the standard Gibbs energy of the reaction CO(g) + CH3CH2OH(l) → CH3CH2COOH(l) at 298 K, using the values of standard entropies and enthalpies of formation given in the Resource section. The data for CH3CH2COOH(l) are ΔfH⦵ = −510 kJ mol−1, S⦵m = 191 J K−1 mol−1 at 298 K.Calculate ΔG'° for a reaction proceeding under biochemical standard conditions with a K'eq of 2.32. Give your answer in units of kJ/mol, but do not include the units as part of your answer (give the number only)The entropy of reaction at T= 350.15K and standard pressure.
- The entropy of reaction at T=198.15K and a pressure of 5 bar.From the standard molar enthalpy of combustion of pentane at 298 K, calculate the value of Δr A° for the process. (For this reaction, ΔrH° = −3508.8 kJ·mol−1 and ΔrS° = −416.1 J·K−1·mol−1.)Given below (c): Standard gibb's free energies (∆Gf0 kJ mol-1 ): UO2 = -962.7 UO22+ = -953.5 U4+ = -579.1 Fe2+ = -78.9 Fe(OH)3 ferrihydrite = -692.07 Mn2+ = -288.1 MnO2 pyrolusite = -465.1 HS- = 12.1 H+ = 0 H2O = -237.1 S0 = 0 Given: U(VI) as uraninite; UO2 (where Mn2+ = reductant; MnO2 pyrolusite = product): ∆ Gr0 = -21.3 KJ/mol E0 (emf) = 0.110 V n = 2 F = 96.42 QUESTION: Calculate Eh equation below to calculate at different pH: – Eh = E0 + (RT/nF) * lnK For U(VI) as uraninite; UO2 (where HS- = reductant; S0 = product): UO22+ + Hs- ---- > UO2 + S + H+ [A] pH 3 [B] pH 7
- The standard Gibbs energy of formation of rhombic sulfur is zero and that of monoclinic sulfur is +0.33 kJ mol-1, at 25 °c.Which polymorph is the more stable at that temperature?1. What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298 K. Express your answer as an integer and include the appropriate units. 2. What is the Gibbs free energy for this reaction at 5958 KK ? Assume that ΔHΔHDeltaH and ΔSΔSDeltaS do not change with temperature. Express your answer to two decimal places and include the appropriate units. 3. At what temperature TeqTeqT_eq do the forward and reverse corrosion reactions occur in equilibrium? Express your answer as an integer and include the appropriate units.Thermodynamic data were collected for a reaction where sodium chloride was dissolved in water at constant V, p, and T (T = 298 K): ΔS=0.38 kJ/K*mol, ΔH=−90 kJ/mol. a) Calculate ΔG for this process. b) Is your result from part a rational based on the process occurring? Provide reasoning to support your answer.
- Calculate the standard Gibbs energy of reaction for 4 HI(g) + O2(g) → 2 I2(s) + 2 H2O(l) at 298 K, using the values of standard entropies and enthalpies of formation given in the Resource section.Use the free energies of the formation given below to calculate the equilibrium constant (Keq) for the following reaction at 298 K. 2 AXZ3 (aq) + XZ (g) → 3 XZ2 (g) + A2Z (l) Keq = ? Using the following Data: AXZ3 (aq) XZ (g) XZ2 (g) A2Z (l) ΔG°f (kJ/mol) = -110.9 87.6 51.3 -237.1What is the significance of the point in which the Fe-FeO curve crosses the CO line (at ~1000K) on the Ellingham diagram below?