Calculate AH° and AG° for the following reactions at 25°C: a. Consider the reaction 2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9) Substance AH, kJ/mol AG, kJ/mol PbO(s) NO(g) Al2 O3 (s) Fe2O3 (s) -219.4 -189.3 90.29 86.60 -1675.7 -1582.3 -825.5 -743.5 ΔΗ- kJ AG° kJ b. Consider the reaction COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g) Substance AH;, kJ/mol AG;, kJ/mol CS2 (1) H2O(1) CO2 (9) H2 S(9) COC, (9) HCI(g) 89.70 65.27 -285.8 -237.1 -393.5 -394.4 -20.50 -33.33 -220.1 -205.9 -92.31 -95.30 ΔΗ' kJ AG° : kJ

Calculate AH° and AG° for the following reactions at 25°C: a. Consider the reaction 2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9) Substance AH, kJ/mol AG, kJ/mol PbO(s) NO(g) Al2 O3 (s) Fe2O3 (s) -219.4 -189.3 90.29 86.60 -1675.7 -1582.3 -825.5 -743.5 ΔΗ- kJ AG° kJ b. Consider the reaction COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g) Substance AH;, kJ/mol AG;, kJ/mol CS2 (1) H2O(1) CO2 (9) H2 S(9) COC, (9) HCI(g) 89.70 65.27 -285.8 -237.1 -393.5 -394.4 -20.50 -33.33 -220.1 -205.9 -92.31 -95.30 ΔΗ' kJ AG° : kJ

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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MISSED THIS? Read Section 19.10 (Pages 881 - 884); Watch IWE 19.11. Use AG values from Appendix IIB to calculate the equilibrium constants at 25°C for each of the following reactions. - Part B Br₂(g) + Cl₂ (g) = 2BrCl(g) AG (BrCl(g)) = -1.0 kJ/mol Express your answer to two significant figures. ► View Available Hint(s) K = —| ΑΣΦ C ?
Given the reaction: 4 Fes) + 3 02(g) - 2 Fe2031s) Delta H = -822.16 kJ --> What is Delta H for the reaction below? ----> 2 Fes) + 3/2 O2(2) + 822.16 kJ + 411.08 kJ 411.08 kJ O + 1644 kJ
Calculate AH° and AG" for the following reactions at 25°C: a. Consider the reaction 2PBO(s) + N2(g) + 2Pb(s) + 2NO(9) Substance AH;, kJ/mol AG;, kJ/mol PbO(s) NO(g) AlzOs (s) -219.4 -189.3 90.29 86.60 -1675.7 -1582.3 FezOs(s) -825.5 -743.5 AH° = kJ AG kJ b. Consider the reaction CS: (1) + 2H,0(1) + CO2 (9) + 2H2S(9) Substance AH;, kJ/mol AG;, kJ/mol Cs: (1) H20(1) Co (9) H3S(g) COCla (g) HCI(g) 89.70 65.27 -285.8 -237.1 -393.5 -394.4 -20.50 -33.33 -220.1 -205.9 -92.31 -95.30 AH° kJ AG kJ
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2+ A chemist fills a reaction vessel with 0.257 g mercurous chloride (Hg₂Cl₂) solid, 0.146 M mercury (1) (Hg₂ aqueous solution, and 0.678 M chloride (C1) aqueous solution at a temperature of 25.0° C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: 2+ Hg₂Cl₂ (s) Hg₂ (aq) + 2Cl(aq) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. kJ X 3
18. Given the AG°S for the reactions, calculate Ks. Values given for 298 K AG° -560.3 kJ 2 H2(g) a. CH4(g)+2 F2(g) 4(g) 2 NO)Cl2(g) 2 SO3() AG° +40.8 kJ b. 2 NOC (g) AG° = -140.0 kJ c. 2 SO2(g) O2(g)
Thermodynamics For Practice 18.6 Enhanced - with Feedback Part A Consider the oxidation of SO2 to SO3 : SO2(g)+,O2(g)→SO3(9) Calculate AGxn at 25° C. IXI Express your answer with the appropriate units. ΔΗ (kJ/mol) Reactant or S° product (J/mol · K) SO2 -296.8 248.2 O2 205.2 SO3 -395.7 256.8 AGn Value Units You may want to reference (Pages 820 - 826) Section 18.8 while completing this problem.
Hydrogen bromide dissociates into its gaseous elements, H2 and Br2, at elevated temperatures. AH;, kJ/mol S° , J/(mol-K) HBr(g) -36.44 198.6 H2 (9) 130.6 Bra(9) 30.91 245.3 a. Calculate the percent dissociation at 337°C and 1.00 atm. (Enter your answer to three significant figures.) Percent dissociation % b. What would be the percent dissociation at 337°C and 10.0 atm? (Enter your answer to three significant figures.) Percent dissociation ]% c. Use data above and any reasonable approximation to obtain K. (Enter your answer to three significant figures.) K
5. Consider the following reaction at equilibrium: M + N2Q +R AH = + 350 kJ %3D a) What would have to this system if it was placed in an ice water bath? Explain you reasoning. b) What would happen to this system if it was placed in a hot water bath? Explain your reasoning.
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