u.co Consider the following reaction at 25 °C: Ba(OH)2 8 H20(s) + 2 NHẠCI(s) → BaCl2(s) + 2 NH3(g) + 10 H2O(1) Given the information in the table, calculate AS° for the reaction. ΔΗ, Substance (kJ/mol) (J/mol-K) Ba(OH)2-8H20 (s) -3345 427 NH,CI (s) -314 95 1 NH3 (g) -46 192 H20 (1) -286 70 BaCl2 (s) -859 124 7. +/- 3. 4.

u.co Consider the following reaction at 25 °C: Ba(OH)2 8 H20(s) + 2 NHẠCI(s) → BaCl2(s) + 2 NH3(g) + 10 H2O(1) Given the information in the table, calculate AS° for the reaction. ΔΗ, Substance (kJ/mol) (J/mol-K) Ba(OH)2-8H20 (s) -3345 427 NH,CI (s) -314 95 1 NH3 (g) -46 192 H20 (1) -286 70 BaCl2 (s) -859 124 7. +/- 3. 4.

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...

See similar textbooks

Similar questions

CaCOg(s) -> CaO(s) +CO2 AH=177.8 kJ/mol What is the change in the internal energy for the reaction if 117-gram of CaCOg(s) is decomposed into CaO(s) and that CO2(g) produced was compressed from 4.1 L to 3.5 L with a pressure of 16.3 atm? Note: For heat, use the amount of heat absorbed in the reaction.
The reaction 2N20(g) 2N2(3) + O2(g) has AH° = -163.14 kJ. What is the value of AE for the decomposition of 112 g of N20 at 25 °C? If we assume that AH doesn't change appreciably with temperature, what is AE for this reaction at 296 °C? At 25 C: ΔΕ i kJ At 296 °C: AE = i kJ
In the upper atmosphere, ozone is produced from oxygen gas in the following reaction. 3O2(g) → 2O3(g) Calculate ΔHo AND ΔSo for ozone formation. (Enter your answer in kJ and give 3 significant figures).
Calculate ASpxn° (in J/K) for the following reaction using S° values from Appendix G in your textbook. CO(g) + H20(g) - CO2(g) + H2(g) Your Answer: Answer units
Chemistry
Determine ΔSºrxn for the reaction: CaCO3(s) → CaO (s) + CO2 (g)
18
Calculate Δ So for the reaction below? 4 Fe(s) + 3 O2(g) ---------> 2 Fe2O3(s) Group of answer choices - 142.19 J/K - 633.64 J/K - 543.68 J/K + 543.68 J/K
Use the data shown below, to calculate AH°rxn and AS°rxn at 25°C for the following reaction: 3 H₂(g) + Fe₂O₂(s) → 2 Fe(s) + 3 H₂O(g) What is the value of AGᵒrxn at 25°C? Substance: H₂(g) AHof (kJ.mol-¹) 0 So (J.K-¹.mol-¹) 130.7 Fe₂O3(s) -824.2 87.40 Fe(s) 0 27.28 H₂O(g) -241.8 188.8
Calculate AH°rxn_in kJ/mol for the reaction below. Look up the values for AHF° below. 4 NH3 (g) + 5 02 (g) → 4 NO (g) + 6 H20 (g) Table 6.3 Standard Enthalpies of Formation of Some Inorganic Substances at 25°C Substance AH; (kJ/mol) Substance AH? (kJ/mol) Ag(s) AgCl(s) Al(s) H,O;(/) - 187.6 Hg(/) 2(s) HI(g) Mg(s) MgO(s) M9CO (s) N2(g) NH3(G) NO(g) - 127.04 Al;03(s) - 1669.8 25.94 Br2(1) HBr(g) -36.2 -601.8 C(graphite) C(diamond) -1112.9 1.90 Co(g) -110.5 -46.3 CO2(g) Ca(s) - 393.5 90.4 NO,(g) N204(g) N20(g) O(g) 0,(g) 33.85 CaO(s) -635.6 9.66 CaCO;(s) Cl2G) - 1206.9 81.56 249.4 -92.3 HCIG) Cu(s) 03(g) S(rhombic) 142.2 CuO(s) - 155.2 F2(g) HF(g) H(g) S(monoclinic) 0.30 SO-(g) So:(g) H,S(g) -268.61 -296.1 218.2 - 395.2 H2(g) H2O(g) -20.15 -241.8 Zno(s) -347.98 H2O(I) -285.8
25°C 32°C bum wohl 891 10 228 1. Two aqueous reactants are mixed in a flask with a balloon over the top and the following change is observed. What are the signs on q and w for the system? Enter >, <, or in each box below. W 0 2. You drop a piece of potassium metal into water and the following exothermic reaction occurs: 2 K(s) + 2 H₂O(l) → 2 KOH(aq) + H₂(g) What are the signs on q and w for this reaction, at constant temperature and pressure? A) q is positive and w is negative. B) q is negative and w is positive. C) q and w are both negative. D) q and w are both positive. E) There is not enough information given. 3. What is the change in internal energy when one mole of helium gas in a flexible-walled container at STP is heated to 100°C? (CHe(g) = 5.30 J/g°C) AU =
Calculate G for the reaction of iron (III) oxide with carbon monoxide to give elemental iron and carbon dioxide. í G₁ (kJ/mol) Fe(s) 0 CO₂(g) -394.4 Fe₂O3(s) -741.0 CO(g) -137.3