CHEMWORKUse the values of S° given below to calculate AS° for the following reaction.MgO(s) + H,0()→ Mg(OH)2(s)AS°(J/mol K)MgO(s)27.0H,O(1)69.91Mg(OH),(s) 63.14(Enter your answer to three sigmificant figures.)AS°IxnJ/KSubmitShow HintsSubmit AnswerRetry Entire Group2 more group attempts remainingCengage Learning | Cengage Technical Surport

CHEMWORK Use the values of S° given below to calculate AS° for the following reaction MgO(s) + H,O(1)→ Mg(OH),(s) AS (J/mol K) MgO(s) 27.0 H,O(1) 69.91 Mg(OH)2(s) 63.14 (Enter your answer to three significant figures.) AS°, J/K Ixn Submit Show Hints

CHEMWORK Use the values of S° given below to calculate AS° for the following reaction MgO(s) + H,O(1)→ Mg(OH),(s) AS (J/mol K) MgO(s) 27.0 H,O(1) 69.91 Mg(OH)2(s) 63.14 (Enter your answer to three significant figures.) AS°, J/K Ixn Submit Show Hints

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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2. Using values of AƒG°, determine the value of A,G° at 25 °C for the reaction 2 KC103 (s) → 2 KC{(s) + 3 O2(g) (a) -225 kJ/mol-rxn Answer + (b) –112 kJ/mol-rxn Answer + (c) 112 kJ/mol-rxn Answer + (d) 225 kJ/mol-rxn Answer
8) Consider the following reaction:2 Br1-(aq) + Cl2(g) ↔ Br2(l) + 2Cl1-(aq) ∆H° = -92.6 kJ/mol at 25°C.Given the following standard entropies at 25°C:Substance S°(J/molK)Br1- (aq) 80.7Br2 (l) 152.3Cl1- (aq) 56.5Cl2 (g) 223.0Calculate the equilibrium constant K for this reaction at 80°C, assuming that ∆H° and ∆S° remain constant over this temperature range
Calculate the reaction enthalpy for the decomposition of hydrogen peroxide, 2H2O20 H26) + O26) 2H2) + O216 2H2O0 + O26 from the following data: H2O20; AH°RXN = -187.8 kJ - 2H2O0; AH°Rxn = -571.6 kJ
What is A-G° in unit of kJ at 298 K for the following reaction? Zn(s) + H20(g) ZnO(s) + H2(g) Substance AH (kJ/mol-rxn) at 298 K S (J/K mol-rxn) at 298 K Zn(s) 46 H20(g) -241.8 188.7 ZnO(s) H2g) -337.1 42.6 130.6 Please keep your answer to one decimal place.
A eq req E Consider the reaction: 2SO₂(g) + O2(g) → 2SO3(g) Using standard thermodynamic data at 298 K, calculate the free energy change when 1.57 moles of SO₂(g) react at standard conditions. AG = Substance AG (kJ/mol) SO3(g) SO₂(g) 0₂ (9) Submit Answer $ R % k] 5 Show Hint Use the References to access important values if needed for this question. T -371.1 -300.2 0.0 Retry Entire Group B Cengage Learning Cengage Technical Support ^ 6 9 more group attempts remaining H & 7 N J * 8 M 1 K ( 1 O P Previous Next> D ㅈ R 7 Save and Exit
Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s) + 32Cl2(g) ⟶ SbCl3(s) ΔH° = −314 kJ SbCl3(s) + Cl2(g) ⟶ SbCl5(s) ΔH° = −80 kJ
8) a) Calculate AS°en for the following reaction given their respective standard molar entropy values. С-H- (6) + н, (в) сH. (8) S°(C,H2) = 200.9 J/mol K S°(H2) = 103.7 J/mol K S°(C;H4) = 219.3 J/mol K b) the reaction in 'part a' is endothermic, when would it be spontaneous?
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13) Calculate the AGᵒrxn at 298 K using the following information. 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H₂O(g) - 33.4 -300.1 -228.6 AG°f (kJ/mol) A) -990.6 kJ B) +112.4 kJ C) +66.8 kJ 2A1 (s) + 312 (s) AG°r rxn ? D) -528.7 kJ 14) The standard cell potential for the cell using the overall cell reaction below is +2.20 V: 2A13+ (aq) + 61- (aq) The voltage generated by the cell when [A13+] = 4.5 × 10-3 M and [I-] = 0.15 Mis A) 2.32 B) 2.10 C) 2.39 D) 2.20 E) -495.3 kJ V. E) 2.23
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Photosynthesis can be represented by the equation 6CO2(g) + 6H2O(1) = C,H12O6(s) + 602(g) a) Calculate AS° for this process, given the following data: 6. Substance: CO2(g) H,O(I) C6H12O6(s) O2(g) S° (J/(mol·K)): 214 70 212 205
(Q74) A certain process is nonspontaneous at low temperatures. Given that AHX = 201.2 kJ and ASPxn = 876 J/K, at what temperature (in °C) will the process become spontaneous? %3D (Report your Celsius temperature to one decimal place --> if your answer has a decimal place of "O" and Canvas chops it off, don't worry about it).