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Chemistry
- Which of the following reactions would have the most positive AS° value? A) SO,(g) + Na¸O(s) Na SO,(s) B) CO,(s) → CO,(g) C) Fe®*(aq) + SCN(aq) FESCN²"(aq) D) N,(g) + 3 H,(g) 2 NH,(g) E) 2 NO(g) + CI,(g) 2 NOCI(g)arrow_forwardPlease use the values in the resources listed below instead of the textbook values. Calculate the equilibrium constant at 25.0°C for each of the following reactions from the value of AG° given. (a) TiO₂(s) + 2 Cl₂(g) → TiCl() + O₂(9) AG 151.5 kJ/mol K = (b) POCI₂(g) → POCI, () K = AG-7.9 kJ/molarrow_forward5) Use the free energies of formation given below to calculate the equilibrium constant (K) for the following reaction at 298 K. (A B) cpsnc nsdo () Svods ori to lls (C avods ot to 2 HNO3(aq) + NO(g) → 3 NO2(g) + H20(1) smul K= ? AG°f (kJ/mol) -110.9 87.6 51.3 -237.1 onon ( A) 1.15 × 10-9 B) 0.980 C) 8.71 × 108 D) 1.02 E) 5.11 × 10-4 oim t gnier ng DA or oisluole (S oini aniwollol orl 00cH SI+ (9)s 8.280 0.02 e.EE (lomLD1 HAarrow_forward
- 56. Which of the following must be true for a reaction that proceeds spontaneously from initial standard state conditions? (A) ΔG° > 0 and Keq > 1 (B) ΔG° > 0 and Keq < 1 (C) ΔG° < 0 and Keq > 1 (D) ΔG° < 0 and Keq < 1 (E) ΔG° = 0 and Keq = 1arrow_forwardQUESTION 8 What is the standard free energy of the reaction, in kJ, at 298K for: 1A (aq) + 1 B (ag) 1 C (aq) + 2 D (aq) if AH (A)= 76.6667 kJ/mol, AH° (B) = 90.258 kJ/mol, AH° (C) = 70.3702 kJ/mol, and AH (D) = 54 5914 kJ/mol AS (A)= 35.9072 J/(mol K), AS° (B) = -25.5343 J/(mol K). AS (C) = -82.064 J/(mol K), and AS" (D) = 90 9047 J/(mol K) OUESTION aarrow_forwardThe equilibrium constant, K, for the following reaction is 2.01 at 500 K. PCl₂(g) + Cl₂(g) PCIg(8) If AH® for this reaction is -87.9 kj, what is the value of K₂ at 387 K? Kp Submit Answer Retry Endre Group No more group attempts remain hp Ⓡarrow_forward
- Question 4 4.1 When 0.50 mol of an ideal gas is expanded isothermally and reversibly at 298 K from a volume of 10.0 L to 25.0 L, (a) What is the 4Sgas? (b) How much work was done? (c) What is the 4Ssurr? (d) What is the 4Stotal? 4.2 At 25.0 °C the equilibrium constant for the reaction: CO(g) + H₂O(g) = CO2(g) + H2(g) is 1.00 x 10-5, and AS° is 41.8 J K-1 mol-¹. Calculate 4Gº and AH° at 25.0 °C.arrow_forwardConsider the reaction 2H202(1)2H20(1) + 02(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K. ANSWER: Submit Answer Retry Entire Group 9 more group attempts remainingarrow_forward(H2 ) →(12 ) +( 2HI) (AS = 82.4 J/K ),(AH = 25.9 KJ/K ) %3D %3D Calculate AG for this reaction at 25 C°arrow_forward
- Calculate ∆Gº for the following reaction at 25ºC: Pb2+ + Fe --> Pb + Fe2+ -->arrow_forwardGiven: P4(s)+5O2(g)⟶P4O10(s) ΔG°=−2697.0 kJ/mol 2H2(g)+O2(g)⟶2H2O(g) ΔG°=−457.18 kJ/mol 6H2O(g)+P4O10(s)⟶4H3PO4(l) ΔG°=−428.66 kJ/mol Net Equation: 3/2 H2 (g) + ¼ P4 (s) + 2 O2 (g) → H3PO4 (l) Using Hess’s law to determine the standard free energy of formation, ΔG∘f, for phosphoric acid.arrow_forwardGiven the following information below, determine AGxn at equilibrium. 12(g) + Cl2(g) 2 ICI(g) 11 K, = 81.9 (at 298 K) O 1 O +10.9 kJ O -10.9 kJarrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning