Predict the sign of the entropy change, AS°, for each of the reaction displayed. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help Ba2+ (aq) + SO,2 (aq)→BASO4(s) 2KCIO3(s)–→2KC1(s) + 302(g) 2NO2 (g)→N2(g) + 202(g) P.(g) + 502(g)–→P4O10(s) C3H8 (g) + 502(g)→3CO2(g) + 4H2CCHLOH(1)–CH3OH(g) Positive Negative

Predict the sign of the entropy change, AS°, for each of the reaction displayed. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help Ba2+ (aq) + SO,2 (aq)→BASO4(s) 2KCIO3(s)–→2KC1(s) + 302(g) 2NO2 (g)→N2(g) + 202(g) P.(g) + 502(g)–→P4O10(s) C3H8 (g) + 502(g)→3CO2(g) + 4H2CCHLOH(1)–CH3OH(g) Positive Negative

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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1. For the following reactions, predict whether the AS°rxn will be positive or negative. AS rxn (positive or negative) H₂O → H₂O(s) N2(1)→ N2(g) N2O4(g) → 2NO2(g)
Standard molar entropies, S°, in J/K•mol, are given below each reactant and product in the reaction shown below. The standard entropy of reaction, AS°, for this reaction is J. CH4(g) + 2 O2(g) CO2(g) + 2 H2O() 213.6 186.2 _205.0 69.9 Express your answer using four significant figures.
The standard reaction free energy AG=-1482. kJ for this reaction: 4 Fe(s) + 30₂(g) 2 Fe₂O3(s) Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction 2Fe₂O₂ (s) 4Fe(s) + 30, (g) - Fe(s) + O₂(g) → Fe₂03 (s) Fe₂O₂ (s) → Fe(s) + 0₂ (8) AG kJ kJ X 5
Part A Use the data below to determine which of the following compounds are thermodynamically stable with respect to their constituent elements at 25 °C. Substance and State AHᵒf (kJ/mol) AG°f (kJ/mol) S° [J/(K-mol)] PC13 (1) - 272.3 217.1 CH4 (g) N₂O(g) HI(g) Check all that apply. PC13 (1) N₂O(g) HI(g) CH4 (g) Submit Request Answer -319.7 - 74.8 82.0 26.5 - 50.8 104.2 1.7 186.2 219.7 206.5
2H2O(g) ----> 2H2(g) + O2(g) The reaction above is only spontaneous at temperatures above 2000K. Is the reaction endothermic (+ΔH) or exothermic (-ΔH)?
H+(aq) + OH-(aq) - - -> H2O (l) Use the table below to determine net ∆H for this reaction.
At what temperature in Kelvin does the reaction shown below reach equilibrium under standard state conditions. Report your answer to the correct sig figs. 2 NO(g) + O2(g) → 2 NO2(g) NO(g) Ozlg) NO2(g) AH°F 90.3 33.2 (kJ/mol S° 210.8 205.0 240.1 (J/K-mol) Temperature in Kelvin =
What is the free energy 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 (C4H10(g)) = 310.1000 J/mol*K and the heat of formation of C4H10(g) is -126.1400 kJ/mol.4C(gr) + 5H2(g) ↔ C4H10(g) ΔGo = -16.995 kJ ΔGo = 16.995 kJ ΔGo = 235.285 kJ ΔGo = -235.285 kJ
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. S(rhombic) + O:(g) - so:g) K'mol S(rhombie) 31.S8 205.0 248.5 J/K-mol
What is the standard free-energy change, AG°, for the following reaction at 54.4 °C? N(g) + 3H>(g) → 2NH3(g) Substance AH? (kJ/mol) AS (J/K-mol) N2(g) 191.6 Hy(g) 130.6 NH3(g) -45.9 192.7 AG° kJ Submit Show Tutor Steps
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
Calculate the ∆S 0 for each given reaction. 1. 2H2 (g) + O2 (g) ---> 2H2O (g) 2. Ca3(PO4)2 (s) ---> 3Ca+2 (aq) + 2PO4 -3 (aq)