31. Given the following reaction determine Free Energy change and E°call for the following reaction at standard conditions? Is this reaction spontaneous? Mn? leg) + Ks) = MnO2 (5) +K *teg) (acidic) a. -800 kJ/non spontaneous c. 800 kJ/non spontaneous e. -400 kJ/non spontaneous g. 400 kJ/non spontaneous b. -800 kJ/spontaneous d. 800 kJ/spontaneous f. -400 kJ/spontaneous h. 400 kJ/spontaneous

31. Given the following reaction determine Free Energy change and E°call for the following reaction at standard conditions? Is this reaction spontaneous? Mn? leg) + Ks) = MnO2 (5) +K *teg) (acidic) a. -800 kJ/non spontaneous c. 800 kJ/non spontaneous e. -400 kJ/non spontaneous g. 400 kJ/non spontaneous b. -800 kJ/spontaneous d. 800 kJ/spontaneous f. -400 kJ/spontaneous h. 400 kJ/spontaneous

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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Under which one of the following conditions will the following reaction be spontaneous as written? 2CO(g) + O2(g) → 2 CO2(g) AH-565.97 kJ/molrxn, AS-173.0 J/molrxnk Select one: a. spontaneous at all temperatures O b. spontaneous at low temperatures O c. spontaneous at high temperatures O d. not spontaneous at any temperature
At what point the reaction is spontaneous at? 2CH4(g) + 3O2(g) -> 2H2O(l) + 2CO2(g) A. At low T B. At high T C. It depends on the temperature D. All temperature ranges E. The reaction is not spontaneous at T
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Which of the following combinations of values for AH and AS for a given process, indicate that the process is spontaneous at all temperatures? A. O Both AH and AS are positive. B. O Both AH and AS are negative. C. O AH is positive and AS is negative. D. O AH is negative and AS is positive.
For the reaction: 20PCI3(g) 2PCI3(1) + 02(g) AH° = 508 kJ-mol-1 and AS° = 178 J-mol-1.K-1 at 298 K. Which of the following statements is true? Periodic Table and Datasheet O The reaction is spontaneous at all temperatures. O The reaction is spontaneous at high temperatures. O The reaction is spontaneous at low temperatures. O The reaction is not spontaneous at any temperature.
2. Consider the reaction below. 4NH3(g) + 5O₂ (g) 4NO (g) + 6H₂O (g) a. Using the provided AGf values, calculate AG° for the above reaction at 25 °C. Species AG (kJ/mol) NH3) NO(g) H₂O -16.5 87.6 -228.6 b. Is the reaction spontaneous at 25 °C? c. What is the sign of the change in entropy for the reaction?
Which of the following sets of conditions must be true for a reaction that is thermodynamically favorable at alltemperatures? a. AH > 0, AS > o b. AH > 0, AS 0 d. AH < 0, AS < 0
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An spontaneous process ALWAYS has a negative AG has a negative AH has a positiveAH has a positive AG
For the decomposition of hydrogen peroxide to water and oxygen, H2O2(g) ⟶⟶ H2O(g) + O2(g) ΔΔH° = -106 kJ, and ΔΔS° = +0.0580 kJ/K. In what temperature range is the reaction spontaneous (ΔΔG° < 0)? A. The temperature must be greater than 1.83××103 K B. The temperature must be less than 1.83 ××103 K. C. The temperature must be between 225 K and 1.83 ××103 K. D. ΔΔG° is always less than zero. E. ΔΔG° is never less than zero. Group of answer choices
The reaction 2 C4H10(g) + 13O2(g) - has AG° = -5407 kJ. Determine the value of AG°, for C4H10(8). 8 CO2lg) + 10 H20(g) Standard Free Energies of Formation of Typical Substances at 298.15 K TABLE 18.2 Substance Substance Substance AG? (kJ mol ') AG? (kJ mol-") AG? (kJ mol ) Agt) CaO6) -604.2 K,SO,G) -1316.4 AgC6) -109.7 Ca(OH),() -896.76 N,() Al() 0.00 CaSO) NH,(g) NH.CI() -1320.3 -16.7 ALĻO,6) C) (graphite) COO Co,( -1576.4 CaSO, H,OG) -1435.2 - 203.9 CaSO,2H,0G) -1795.7 NO(g) + 86.69 NO,(g) N,O) N,0, -137.3 +51.84 -394.4 Fe() +103.6 CH( -50.79 Fe,O,6) -741.0 +98.28 CH,A(g) -58.6 Na() CH,OH() -166.2 H,0(g) -228.6 Na,CO,() -1048 CO(NH)l) -197.2 -237.2 NaHCO,6) -851.9 CO(NH)(ag) C,H,(g -203.8 HCI -95.27 NaC) -384.0 +209 HNO,) -79.91 NaOH) -382 +68.12 H,SO() -689.9 Na,SO.) -1266.8 HC,H,0,(/) Hg(/) Hg(g) -32.9 -392.5 C,H,OH() -174.8 PbO) -189.3 +17.3 +31.8 Ca(o) K() SO;(g) -300.4 Ca00,() -1128.8 KCI) -408.3 -370.4 CaC,6) -750.2 i kJ e Textbook and Media Choose the value of K, for the…