Compute AH °1000 of HCI(g) from enthalpies of formation data and these C, [J/(mol K)]´P,mexpressions, which hold from 298 K to 1500 K.27.14 + 0.009274 (T/K) – 1.381 (10°T°/K) + 7.645 (10¯°T°/K°)26.93 + 0.03384 (T/K) – 3.896 (10¯³T°/K°) + 15.47 (10°r°/K°)30.67 – 0.007201 (T/K) – 1.246 (10¯°Tʻ/K´) – 3.898 (10¯°T° /K`)-5-9for(g), Cl, (g), and HCI(g), in that order.

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Answered: Compute AH °1000 of HCI(g) from…

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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For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 302(g)→ 2FE2O3(s) ASO = -549.73 JK1 at 298 K. The enthalpy of formation of Fe203(s) is –824.2 kJ mol. What is the standard change in Gibbs free energy for this reaction at 298 K? Item equation/constant: AG° = AHO – TASS O -660.4 kJ O -988.0 kJ O -1484.6 kJ O-1812.2 kJ
3. Given the following equations and AHO values, determine the heat of reaction (kJ) at 298 K for the reaction: 2 SO2(g) + 2 P(s) + 5 Cl2(g) → 2 SOC12 (1) + 2 POC13(1) SOC12(1)+ H₂O(1)→→ SO2(g) + 2 HCl(g) PC13(1)+1/2 O2(g) → POC13(1) P(s) + 3/2 Cl2(g) → PC13(1) 4 HCl(g) + O2(g) →2 Cl2(g) + 2 H₂O(1) ΔΗ° = +10.3 kJ ΔΗ° = -325.7 kJ ΔΗ = -306.7 kJ ΔΗ = -202.6 kJ
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Is ther an error in the solution that ∆Grxn=−9.33 kJ/mol=9330 J/mol was not kept negative when converted tfrom kJ to J? Can steps 3-5 be checked for accuracy ?
M Preq 3 Consider the reaction 00 E D 4HCI(g) + O₂(g) 2H₂O(g) + 2Cl₂(8) for which AH° = -114.4 kJ and AS° = -128.9 J/K at 298.15 K. J/K (1) Calculate the entropy change of the UNIVERSE when 1.775 moles of HCI(g) react under standard conditions at 298.15 K. ASuniverse (2) Is this reaction reactant or product favored under standard conditions? Submit Answer (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored choose 'reactant favored'. 4 000 000 R F DO LO V % 5 [Review Topics] [References] Use the References to access important values if needed for this question. T Retry Entire Group 8 more group attempts remaining Cengage Learning Cengage Technical Support G 6 B Y H & 7 N U 1 * 8 J M 9 K बैं O < L P Previous Email Instructor Save and Exit { + 11 Next ? } ]
Calculate 4G in two different ways for the dimerization of NO₂. The first method uses the Gibbs free energies of formation and the second method uses the equation 4G = AH-TAS. 2NO₂(g) → N₂O4(g) Starting with the natural variable equation of dH = TdS+Vdp, show that OH др T = V(1-aT)
Combustion of glucose (CH,0 is the main source of energy for animal cells: CH,0,) + 60,(g) -- 6CO,(g) + 6H,o) AG,(37 C) =- 2872. kI One of the most important uses to which this energy is put is the assembly of proteins out of amino acid building blocks. The Gibbs free energy of formation of one peptide bond, joining one amino acid to another, is 21 k/mol. Suppose some cells are assembling a certain protein made of 84 amino acids. (Note that the number of peptide bonds in the protein will be one less than the number of amino acids.) Calculate the minimum mass of glucose that must be burned to assemble 400. umol of this protein. Round your answer to 2 significant digits.
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