iI Review | Cor Part B Consider the decomposition reaction of dichlorine monooxide to chlorine and oxygen gas: Determine the sign of the entropy change for the system and the universe. Drag the appropriate items to their respective bins. 2C120(g) → 2C12(g) + O2(g), AHn =-160.6 kJ You may want to reference (Pages 807 - 810) Section 18.5 while completing this problem. Reset Help sign of the enthalpy change for the universe sign of the entropy change for the system

iI Review | Cor Part B Consider the decomposition reaction of dichlorine monooxide to chlorine and oxygen gas: Determine the sign of the entropy change for the system and the universe. Drag the appropriate items to their respective bins. 2C120(g) → 2C12(g) + O2(g), AHn =-160.6 kJ You may want to reference (Pages 807 - 810) Section 18.5 while completing this problem. Reset Help sign of the enthalpy change for the universe sign of the entropy change for the system

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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2H2O(g) ----> 2H2(g) + O2(g) The reaction above is only spontaneous at temperatures above 2000K. Is the reaction endothermic (+ΔH) or exothermic (-ΔH)?
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. H₂(g) + Cl₂ (g) → 2HCl(g) COC12 (g) → CO(g) + Cl₂(g) CO2(g)+H2(g) → CO(g) +H,O(g) 2CO2 (g) + 5H2(g) → C₂H₂(g) + 4H₂O(g) 2H₂O(1)→ 2H₂(g) + O₂(g) Show Hint Clear All AS > 0 AS <0 too close to decide Previous Email Instructor Next Save and
H+(aq) + OH-(aq) - - -> H2O (l) Use the table below to determine net ∆H for this reaction.
eq M M IS M ots M M M # 3 E D Consider the reaction 2H₂O(l) 2H₂(g) + O₂(g) The standard free energy change for this reaction is 474.2 kJ. The free energy change when 1.88 moles of H₂O(1) react at standard condition is kJ. 20 C What is the maximum amount of useful work that the reaction of 1.88 moles of H₂O(l) is capable of producing in the surroundings under standard conditions? If no work can be done, enter none. kJ Submit Answer $ 4 R F > % 5 T [References] Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining G Cengage Learning Cengage Technical Support 6 B MacBook Pro Y Topics] H & 7 N U J ▶II * 00 8 M I ( 9 K. O < 96 ) L P V t Previous Email Instructor Save and Exit { + 11 [ Next ? } 1 dele
Entropy Changes (AS rxn) ; Read Section 19.7. You can click on the Review link to access the section in your e Text. Substance S° (J/(mol. K)) 5.7 2.4 C(s, graphite) C(s, diamond) H(g) H₂(g) Cl(g) Cl₂ (g) CH3 Cl(g) 114.7 130.7 165.2 223.1 234.6 Find AS for the formation of CH3C1(g) from its elements in their standard states. Express your answer in joules per kelvin to one decimal place. ΠΟΠΗ ΑΣΦ ASixn= - Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining 1 ? J/K
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
1. Please consider 0.15 gm of Constantan (a Cu/Ni alloy widely used in thermocouples, c = 390 J/•K-kg) that cooled through exposure to the laboratory atmosphere (T 22 •C) from 620 C to 20 C. a. Please determine the change in entropy of the Constantan (in J/ K- kg). b. Please determine the change in entropy of the laboratory atmosphere (in J/ K-kg). c. Please determine the change in entropy of the universe (in J/ K-kg). %3D
Use the data to determine the entropy change ASrxn for this process: CO₂ (aq)+ CaO(s) — CaCO3(s). a b Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. C Substance d CO,(aq) CaCO3(s) CaO(s) -17.3 J/mol K 8.3 J/mol K -223 J/mol K DHºf Sºf (kJ/mol) (J/mol*K) -393.5 213.8 -1206.9 92.9 -635.1 38.2 -159.1 J/mol K
A cvg.cengagenow.com Flipgrid | 50ffc. GRLContent Netflix Favorites My Home 3-Day General.. Netflix Content [Review Topics] [References] 2req Use the References to access important values if needed for this question. 2req The free energy change for the following reaction at 25 °C, when [H*] = 7.21×10³ M and [Hg²*]=1.17 M, is 178 kJ: 2req 2H*(7.21×10-3 M) + Hg(1)→ H,(g) + Hg²*(1.17 M) AG= 178 kJ What is the cell potential for the reaction as written under these conditions? s 2req Answer: V ts 2req Would this reaction be spontaneous in the forward or the reverse direction? ots OM) pts 2reg Submit Answer Retry Entire Group 9 more group attempts remaining pts M) pts
3. Determine the temperature (°C) range, in which the following reaction will become spontaneous. (temperatures greater, less than or equal to the given value) Fe2O3(s) + 2Al(s) → 2Fe(s) + Al203(s) AHxn = -851.5 kJ/mol ASpen = -375.2 J/mol K %3D
Give answer second question with explanation