The value of AG° for the reaction 2C4H10 (9) + 1302 (9) → 8CO2(9) + 10H,0(1) is -5490. kJ. Use this value and the data in the table below to calculate the standard free energy of formation for CĄH10 (9). Substance AG kJ/mol H20(1) Co2 (9) -237 -394 Standard free energy of formation |kJ/mol

The value of AG° for the reaction 2C4H10 (9) + 1302 (9) → 8CO2(9) + 10H,0(1) is -5490. kJ. Use this value and the data in the table below to calculate the standard free energy of formation for CĄH10 (9). Substance AG kJ/mol H20(1) Co2 (9) -237 -394 Standard free energy of formation |kJ/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Given the following thermodynamic data: CO2(g) + 2NH3(g) → CO(NH2)2(s) + H2O(l) ΔH°298 =-133.3 kJ ΔG°298 =-6.97 kJ ΔH°f (kJ/mol) -393.5 -46.11 -285.8 S° (J/mol K) 213.6 192.3 104.6 69.91 a) Determine ΔH⁰f for CO(NH2)2(s) b) Determine K for the reaction at 298 K c) Determine ΔS⁰ for the reaction in units of J/K d) Determine ΔG if the pressure of CO2 is 0.450 bar and the pressure of NH3 is 0.650 bar e) Determine K for the reaction at 250 K
34. Calculate the standard enthalpy change (AH) at 298 K for the reaction of X&Y18 with O2. 2 XBY18+21 O2→8 XO +8 XO2 +18 Y,0 Reaction AH at 298 K 2 XgY18+25 O2 16 XO, + 18 Y O -11020 kJ 2 XO +O2 XO -566.0 kJ 210454 kJ 18756 J 0 13284 J D 1E5
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A student determines the value of the equilibrium constant to be 1.98×107 for the following reaction. Fe(s) + 2HCI(aq)–FeCl(s) + H2(g) Based on this value of Keqi AG° for this reaction is expected to be (greater, less) than zero. Calculate the free energy change for the reaction of 1.54 moles of Fe(s) at standard conditions at 298K. AG°, kJ rxn
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A student determines the value of the equilibrium constant to be 8.18x10-37 for the following reaction. H₂S(g) + 2H₂O(l)—3H₂(g) + SO₂(g) Based on this value of Keq: AG° for this reaction is expected to be (greater, less) zero. than Calculate the free energy change for the reaction of 1.68 moles of H₂S(g) at standard conditions at 298K. AG rxn= kJ
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