The standard reaction Gibbs energy of the decomposition of CaCO3 into CaO and CO2 at 1173 K is +0.178 kJ mol-. Calculate the equilibrium constant of the isomerization.
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The standard reaction Gibbs energy of the decomposition of CaCO3 into CaO and CO2 at 1173 K is +0.178 kJ mol-. Calculate the equilibrium constant of the isomerization.
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- The standard reaction Gibbs energy of the isomerization of borneol (C10H17OH) to isoborneol in the gas phase at 503 K is +9.4 kJ mol−1. Calculate the reaction Gibbs energy in a mixture consisting of 0.15 mol of borneol and 0.30 mol of isoborneol when the total pressure is 600 Torr.The standard Gibbs energy of formation of NH3(g) is −16.5 kJ mol−1 at 298 K. What is the corresponding reaction Gibbs energy when the partial pressures of the N2, H2, and NH3 (treated as perfect gases) are 3.0 bar, 1.0 bar, and 4.0 bar, respectively? What is the spontaneous direction of the reaction in this case?The standard Gibbs energy of formation of PH3 (g) is 13.4 kJ/mol at 298 K. What is the corresponding reaction Gibbs energy when the partial pressures of the H2 and PH3(treated as perfect gases) are 1.0 bar and 0.60 bar, respectively? What is the spontaneous direction of the reaction in this case?
- The standard enthalpy of a certain reaction is approximately constant at +125 kJ mol−1 from 800 K up to 1500 K. The standard reaction Gibbs energy is +22 kJ mol−1 at 1120 K. Estimate the temperature at which the equilibrium constant becomes greater than 1.One reaction has a standard Gibbs energy of -320 kJ mol-1 and a second reaction has a standard Gibbs energy of -55 kJ mol-1. What is the ratio of their equilibrium constants at 300 K?The standard Gibbs energy of reaction, ΔGr°, for the dissociation of phenol is 56.4 kJ mol-1 at 298 K. Calculate the pKa of phenol.
- The standard reaction Gibbs energy of the isomerization of cis-2-pentene to trans-2-pentene at 400 K is -3.67 kJ mol-1. Calculate the equilibrium constant of the isomerization.The standard Gibbs energy of reaction at 721 K for the reaction H2(g) + I2(g) -> 2 HI(g) is ─23.6 kJ. What is the Gibbs energy at 721 K of the following reaction mixtures a) wherein the partial pressure of H2(g), I2(g) and HI(g) are 2.1 bar, 1.7 bar and 1.2- bar, respectively? b) wherein the partial pressure of H2(g), I2(g) and HI(g) are 0.62 bar, 0.23 bar and 3.2 bar, respectively? c) Interpret the results obtained for the two cases. Answer: [─29.0; +2.05]Borneol is a pungent compound obtained from the campharwood tree of Borneo and Sumatra. The standard reaction Gibbs energy of the isomerization of borneol to isobarneal in the gas phase at 503 K is +9.4 kJ mol-1. Calculate the reaction Gibbs energy in a mixture consisting of 0.15 mol of borneol and 0.30 mol of isoborneol when the total pressure is 600 Torr.