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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- Chapter 9 and 18 - Thermodynamics Exercise 18.36 Enhanced with Feedback and Hints Without doing any calculations, determine the sign of ASsys for each of the following chemical reactions. Drag the appropriate items to their respective bins. • View Available Hint(s) Reset Help CH4(g) + 202(g)→ CO2(g) + 2H2O(1) 203(g) → 302(g) SO3(g) + H2O(1)→H2SO4(1) Mg(s) + Cl2 (g) → MgCl2 (s) ASsy greater than 0 ASy smaller than 0
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. I₂ (g) + Cl₂ (g) → 2IC1(g) COC1₂ (g) → CO(g) + Cl₂ (g) CH₂(g) +202 (g) → CO2(g) + 2H₂O(g) 4HC1(g) + O₂(g) → 2H₂O(g) + 2Cl₂ (9) 2H₂O2(1)→ 2H₂O(l) + O₂(g) Clear All AS >0 AS < 0 too close to decide
5. Calculate the standard entropy changes for the given reaction at 25°C. Use appendix 3 to determine the standard enthalpy of C, O2, and CO₂. C(graphite) + O₂(g) →>>> CO₂(g)
5.) Which of the following statements accurately describes the spontaneity of the reaction below?Al2O3(s) + 2Fe(s) → 2Al(s) + Fe2O3(s) H°rxn = 830.8 kJ/mol, S°rxn = 168 J/mol·K a. The reverse reaction is always spontaneous.b. The reaction is spontaneous above 4945 K.c. The reaction is spontaneous below 4945 K.d. The reaction is always spontaneous.e. There is not enough information to determine.
Calculate the change in entropy that occurs in the system when 1.00 mole of diethyl ether (C,H1,0) condenses from a gas to a liquid at its normal boiling point (34.6°C). " ***
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
Given the following reaction: 2NO(g) + Cl2(g) 2NOCl(g) DHorxn = -75.5kJ 1. Is the reaction exothermic or endothermic? 2.Does the entropy increase, decrease, or stay the same as reactants form products? 3.Calculate the DGorxn at 10oC and indicate whether the reaction is spontaneous or nonspontaneous. SfoNO = 210.65 J/K; SfoCl2 = 223 J/K; SfoNOCl = 261.6 J/K
Consider the oxidation of elemental cadmium (II) oxide. 2Cd(s)+O2 (g)--> 2CdO(s) Using the following thermochemical data, calculate the minimu temperature in degrees Celsius at which this reaction is spontaneous. Species delta Hf degrees (kJ/mol) S degrees (J/molxK) Cd(s) 0 51.8 O2 0 205.2 CdO(s) -258.4 54.8 Select the correct answer: a. 2594 degrees Celsius b. 2321 degrees Celsius c. 1.278 degrees Celsius d. -271.9 degrees Celsius e. -270.6 degrees Celsius
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
The decomposition of copper (1) oxide to its elements does not occur spontaneously at 375°C (AG = 140.0 kJ): Cu₂0 (s) 2 Cu (s) + 1/2O₂(g). It can be made to occur spontaneously by being coupled to the oxidation of solid carbon to form carbon monoxide gas at this same temperature (AG = -143.8 kJ): C(s) + 1/2O₂(g) → CO (g) What product(s) is/are produced as a result of coupling the two reactions? CO (g) 2 Cu (s) and 1/2 O₂ (g) 2 Cu (s) and CO (g) 2 Cu (s), 1/2 O2 (g), and CO (g) 1/2 0₂ (g)
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
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. I2 (g) + Cl₂ (g) → 2IC1(g) PC15 (9)→→ PC13 (9) + Cl₂ (9) CH₁ (g) +202(g) → CO₂ (g) + 2H₂O(g) 2CO2(g) +5H2(g) → C₂H₂ (g) + 4H₂O(g) CaCO3(s)→ CaO(s)+CO,(g) Clear All AS > 0 AS < 0 too close to decide