reactionH₂O (1) + Al₂S₁(s)-sign of reaction entropyH₂S (g) + Al2O3(s)As< 0rxnAs> 0rxnO not enough information.Ag (aq) + Cl (aq)MgCl2 (s) + H2O(1)--AgCl(s)As< 0rxnAs> 0rxnO not enough information.As< 0rxnMgO(s) + 2HCl(g)▲s> 0rxnO not enough information. For each chemical reaction listed in the first column of the table below, predict the sign (positive or negative) of the reaction entropy ASto decide with the information given, check the "not enough information" button in the last column.Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal.rxnIf it's not possible

Step 1: Step 2: Step 3: Step 4:

Answered: reaction H₂O (1) + Al₂S₁(s) - sign of…

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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Which reaction below has a positive change in entropy? O 2 N20 (g) --> 2 N2 (g) O2 (e) O N2 (g) + 3 H2 (g) -- 2 NH3 (g) O 2 KCIO3 (s) --> 2 KCI (s) + 3 O2 (g) O 2 H2 (e) C2H2 (g)--> C2H, (g).
Ip acellus_engine.html?ClassID=D1653724337# Calculate the entropy of the phase change of uranium hexafluoride from gas to solid. UF6(g) → UF6(s) Substance S° (J/mol-K) UF (s) UF (g) ASiep = [ ? ] J/mol - K 228 380 Enter either a + or - sign AND the magnitude in your answer. Enter
Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever. The table shows the standard enthalpy of formation (AH) and the standard molar entropy (Sº) values for diamond and graphite. Part A AGrxn= What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond →Cgraphite Submit Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) O Substance Cgraphite Cdiamond μA Value AH (kJ/mol) Units 0 1.897 ? S° (J/mol. K) 5.740 2.38
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. 2 Al(s) + 3 ZnO(s) → Al₂O3(s) + 3 Zn(s) Substance Al(s) Al³+ (aq) Al₂O3(s) Zn(s) Zn²+ (aq) ZnO(s) J/K Sº (J/K mol) 28.3 -313.38 50.99 41.6 -106.48 43.9 27
For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s) → 2Hg() + O2(g) What is the standard change in entropy for this reaction? s° / J-mol-1.K-1 HgO(s) Hg() O2(9) 70.29 76.02 205.14 а. -1 210.87 J-K b. 58.83 J.K -1 c. 216.60 J-K -1 d. 351.45 J-K -1
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?
Determine the standard reaction entropy for the precipitation of Mg(OH)2. Standard Molar Entropy Substance in J/(mol·K) Mg2+ (aq) Mg(OH)2 (s) Он (аq) -138.1 63.2 -10.5
Which reaction has a postive change in entropy? A) N2(g)+3H2(g)--->2NH3(g) B) 2KClO3(s)--->2KCl(s)+3O2(g) C) 2H2(g)+C2H2(g)--->C2H6(g) D) 2N20(g)--->2N2(g)+O2(g)
For each chemical reaction listed in the first column of the table below, predict the sign (positive or negative) of the reaction entropy ASxn. If it's not possible to decide with the information given, check the "not enough information" button in the last column. Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal. reaction + Ag (aq) + Cl (aq) Ag Cl (s) C₂H₂(g) + 2H₂(g) → C₂H₂(g) 6 MgCl₂ (s) + H₂O(1) MgO (s) + 2H C1 (g) sign of reaction entropy AS 0 rxn not enough information. AS 0 rxn not enough information. AS 0 not enough information. X
4
Item 3 Constants | Periodic Table Part A Which one of the following processes produces a decrease in the entropy of the system? O mixing of two gases into one container O freezing of Fe(1) into Fe(s) O evaporation of liquid ethanol into gaseous ethanol O melting solid lead into liquid lead O dissolution of KCl(s) in water Submit Request Answer
What is the total entropy change at 25oC for the reaction below, if the standard entropies of reactants and products are So (C(gr)) = 5.74 J/mol*K, So (H2(g)) = 130.68 J/mol*K, and So (C7H16(g)) = 426.3000 J/mol*K and the heat of formation of C7H16(g)) is -187.9000 kJ/mol.7C(gr) + 8H2(g) ↔ C7H16(g)a) ΔSototal = -659.320 Jb) ΔSototal = 28.783 Jc) ΔSototal = -28.783 Jd) ΔSototal = 659.320 J

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