Calculate the Aran Hº for the reaction 2 Fe(s) + O2(g) → Fer Os (s) using the reactions below.11 Fe(s) + 3 H₂O(l) → Fe(OH)3 (8) +H₂(9) AH = +161 kJ/molAran H = -286 kJ/mol2 H₂(g) + O₂ → H₂O(1)3 Fe₂O3 (8) + 3 H₂O(l) → 2 Fe(OH), (8) Ara H+289 kJ/molWhich of the statements below are false for the calculation?1. Reaction 1 must be multiplied by 2 to give 2 Fe(s) + 6 H₂O(1)→2 Fe(OH),(s) + 3 H₂(g), Ar H=+322 kJ/mol.II. Reaction 1 must be divided by 3 to give Fe(s) + H₂O(1)→ Fe(OH),(s) + H₂(g), Aram H = +53.67 kJ/mol.III. Reaction 2 must be multiplied by 3 to give 3 H₂(g) + O₂ + 3 H₂O(1), AH-858 kJ/mol.IV. Reaction 3 must be reversed to give 2 Fe(OH)3(s) → Fe₂O3(s) + 3 H₂O(1), AH = 289 kJ/mol.V. The Aren Ho for 2 Fe(s) + O₂(g) → Fe₂O3 (8) is 825 kJ/mol.II, IV, and VI and IVII and IVII, III, and VI, III, and VClear my selection00

The objective of the question is to calculate the enthalpy change of the reaction and identify the…

Calculate the Arzn Hofor the reaction 2 Fe(s) + O₂(g) → Fe₂O3(s) using the reactions below. 1 Fe(s) + 3 H₂O(1)→ Fe(OH)3 (8) + H₂(g) Am H = +161 kJ/mol Arn H=-286 kJ/mol 2 H₂(g) + O2 → H₂O(1) 3 Fe₂O3(s) + 3 H₂O(l) → 2 Fe(OH)3 (8) Ar H=+289 kJ/mol Which of the statements below are false for the calculation? I. Reaction 1 must be multiplied by 2 to give 2 Fe(s) + 6 H₂O(1)→2 Fe(OH)3(s) + 3 H₂(g), Arz H=+322 kJ/mol. II. Reaction 1 must be divided by 3 to give Fe(s) + H₂O(1)→ Fe(OH),(s) + H₂(9), Aram H = +53.67 kJ/mol. III. Reaction 2 must be multiplied by 3 to give 3 H₂(g) + O₂ + 3 H₂O(1), AH = -858 kJ/mol. IV. Reaction 3 must be reversed to give 2 Fe(OH)3 (8)→ Fe₂O3(s) + 3 H₂O(1), AH = 289 kJ/mol. V. The Aran Hº for 2 Fe(s) + O₂(g) → Fe₂O₂ (s) is 825 kJ/mol. II, IV, and V I and IV II and IV II, III, and V I, III, and V Clear my selection

Calculate the Arzn Hofor the reaction 2 Fe(s) + O₂(g) → Fe₂O3(s) using the reactions below. 1 Fe(s) + 3 H₂O(1)→ Fe(OH)3 (8) + H₂(g) Am H = +161 kJ/mol Arn H=-286 kJ/mol 2 H₂(g) + O2 → H₂O(1) 3 Fe₂O3(s) + 3 H₂O(l) → 2 Fe(OH)3 (8) Ar H=+289 kJ/mol Which of the statements below are false for the calculation? I. Reaction 1 must be multiplied by 2 to give 2 Fe(s) + 6 H₂O(1)→2 Fe(OH)3(s) + 3 H₂(g), Arz H=+322 kJ/mol. II. Reaction 1 must be divided by 3 to give Fe(s) + H₂O(1)→ Fe(OH),(s) + H₂(9), Aram H = +53.67 kJ/mol. III. Reaction 2 must be multiplied by 3 to give 3 H₂(g) + O₂ + 3 H₂O(1), AH = -858 kJ/mol. IV. Reaction 3 must be reversed to give 2 Fe(OH)3 (8)→ Fe₂O3(s) + 3 H₂O(1), AH = 289 kJ/mol. V. The Aran Hº for 2 Fe(s) + O₂(g) → Fe₂O₂ (s) is 825 kJ/mol. II, IV, and V I and IV II and IV II, III, and V I, III, and V Clear my selection

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

The burning of 48.7 g of ZnS in the presence of oxygen gives 220.0 kJ of heat. What is ΔH for the reaction as written below? 2 ZnS + 3 O2 ----> 2 ZnO + 2 SO2 a) -110 kJ b) -293 kJ c) -441 kJ d) -882 kJ e) +441 kJ
CHAPTER 5 - PRINCIPLES OF CHEMICAL REACTIVITY: EN Previous Page 3 of 5 endothermic ✓ exothermic When 1 mole of I2 (g) reacts with Cl₂ (g) to form ICI(g) according to the following equation, 26.8 kJ of energy are evolved. 1₂ (9) + Cl₂ (9) → 21C1(g) What is the value of q? kJ NOV 11 Next → othermic or exothermic? #tv ♫ P 100 Use the References to access DO Cengage Learning | C MacB
CH1206(s)→3 CH,(g) + 3 CO,(g) AH=-132. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction AH 2C,H1,0,(s) → 6CH,(g) + 6CO,(g) kJ CH,(g) + Co,(g) I kJ 3CH,(g) + 3C0,(g) – C,H1,0g(s) I kJ
A chemist measures the enthalpy change AH during the following reaction: 2 H,O(1) + O2(9)→2 H,O2(1) ДН-196. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 4H, 0, (1) → 4H,0(1) + 20, (g) kJ 2H,0, (1) → 2H,0(1) + 0, (g) I kJ 1 H,0(1) + 0,(2) - H,0,) H,0, (1) O kJ
A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl₂(g) →4 PC1₂(g) AH-1148. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction PC₁₂ (9) → 4PCL, (g) P₁(s) + 2C₁₂ (9) P₁ (s) + 6Cl₂ (g) P₁ (s) + C₁₂(g) → PCI, (g) ΔΗ [] kJ KJ kJ x10 X
A scientist measures the standard enthalpy change for the following reaction to be -19.2 kJ: Ca(OH)2 (aq) + 2HCl(aq) → CaCl₂ (s) + 2H₂O(1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(aq) is kJ/mol. Species AH (kJ/mol) CaCl₂ (8) H₂O(l) Ca(OH)2 (aq) -795.8 -285.8 -1002.8
From the change in internal energy, AE, given for 40 °C, calculate the change in enthalpy, AH, at the same temperature for the reaction: N202 (g) → N2 (g) + O2 (g) AE = -151.3 kJ O -153.2 kJ -153.8 kJ O -155.2 kJ O -148.7 kJ O -151.3 kJ A Moving to another question will save this response. MacBook Air 吕口 F3 F4 F5 F6 # $4 3. 4 6.
Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + O2(g)–→2N¡O(s) AH° = -479.4 kJ (2) 2Hg(1) + O2(g) 2H9O(s) AH° = -181.6 kJ what is the standard enthalpy change for the reaction: (3) NiO(s) + Hg()–Ni(s) + HgO(s) AH° = ? kJ
Are the reactions endothermic or exothermic? What observation supports this?
Calculate the enthalpy change for the reaction C2H2(g) + 2H2(g) → C2H6(g) ΔrH = ? from the following information: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) ΔrH = –2320 kJ/mol2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g) ΔrH = –3040 kJ/mol2H2(g) + O2(g) → 2H2O(g) ΔrH = –572 kJ/mol
A chemist measures the enthalpy change AH during the following reaction: 2 Al(OH),(s)-Al,0,(s) + 3H,0(1) AH=41. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ 3AI,0,(s) + 9H,0() 6Al(OH),(s) Al,0,(s) + 3H,0() 2Al (OH), (s) Al(OH),(6) - Al,0,(0) + ,00 1 Al,0,(5) + H,0() O kJ Explanation Check 2021 McGra M B
Which of the reactions are exothermic?