**Chemical Reaction and Enthalpy Calculation****Chemical Equation:**\[ 4\text{FeO (s)} + \text{O}_2\text{ (g)} \longrightarrow 2\text{Fe}_2\text{O}_3\text{ (s)} \]---**Objective:**Calculate the standard enthalpy change (\(\Delta H^\circ_{\text{rxn}}\)) from standard enthalpies of formation.---**Standard Enthalpy of Formation (\(\Delta H_f\)) Table:**| Substance | \(\Delta H_f\) (kJ/mole) ||----------------|--------------------------|| \(\text{FeO (s)}\) | -271.9 || \(\text{O}_2\text{ (g)}\) | 0.0 || \(\text{Fe}_2\text{O}_3\text{ (s)}\) | -824.2 |---**Calculation:**Use the given standard enthalpies of formation to calculate \(\Delta H^\circ_{\text{rxn}}\): **Formula:** \[ \Delta H^\circ_{\text{rxn}} = \sum \Delta H_f (\text{products}) - \sum \Delta H_f (\text{reactants}) \]This will help determine the energy change associated with the reaction.

Given reaction: 4FeO(s) + O2(g) ------->> 2Fe2O3(s)

Answered: 4F€O(s) + Oz(g) → 2Fe,03(s) > Calculate…

4F€O(s) + Oz(g) → 2Fe,03(s) > Calculate the standard enthalpy change from standard enthalpies of formation: AH°rxn: kJ AH, Substance (kJ/mole) FeO(s) -271.9 0,(g) 0.0 Fe,O3 (s) -824.2

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

Given the standard enthalpies of formation for the following substances, determine the reaction enthalpy for the following reaction. AGran =? kJ 4A (g) + 2B (3) → 1C (g)+ 7D (g) AGi in kJ/mol Substance A (g) B (g) C(g) D (g) 76.34 + 5.24 - 55.86 - 14.55 O - 452.59 kJ/mol O + 452.59 kJ/mol O + 137.17 kJ/mol O - 141.51 kJ/mol O - 137.17 kJ/mol
2. จงหาค่า AH ของปฏิกิริยานี้ จากข้อมูลที่กำหนดให้ 2C (s) + 2 H,0 (g) → CH, (g) + CO,(g) Determine the standard enthalpy change for this reaction from the following standard enthalpies of reaction: (1) C(s) + H,O (g) → CÓ (g) + H, (g) AH° = 131.3kJ (2) CO (g) + H2O (g) → CO2 (g) + H2 (g) ΔΗΟ = -41.2 kJ (3) CH, (g) + H,O (g) → 3H, (g) + CO (g) AH° = 206.1kJ ชื่อ-สกุล .วันที่ เลขที่ เรหัส.. (0202104) จงหาค่า AH และ As ของปฏิกิริยานี้ จากข้อมูลที่กำหนดให้ 3 ปฏิกิริยาการสังเคราะห์ด้วยแสงเกิดขึ้นดังสมการ 6 CO, (g) + 6 H,0 (1) CH2O6 (S) + 6 0, (g) กำหนดค่าที่สภาวะมาตรฐานของ AH และ S ของสารแต่ละตัว ดังนี้ AH°, (kJ mol-') s° (JK-1 mol-') สาร | CH,206 (s) -1,273 212 O, (g) 205 2/2 CO, (g) -393 214 H,0 (1) -285 70
The thermite reaction, in which powdered aluminum reacts with iron oxide, is highly exothermic. 2Al(s) +Fe2O3 (s) → Al2O3(s) + 2Fe(s) Use standard enthalpies of formation to determine AHen for the thermite reaction. AĦ? Substance Al(s) Al2O3 (s)– 1675.7 Fe(s) Fe,O3 (s) -824.2 Express the heat of the reaction in kilojoules to four significant figures. ΑΣφ AHm = kJ
A chemist measures the enthalpy change AH during the following reaction: C,H,0,(s)-3 CH,(o) + 3CO,(g) AH=-132. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction AH 9CH, (0) + 9Co, (a) - 30H,0,0) 3CH, (6) + 300, (a) - C,H,0,0) GH,0,) - CH, 6) + co,()
Use a table of standard enthalpies of formation to calculate AH°rxn for each of the following reactions. An appendix of standard enthalpies of formation is attached. a) 4 NH3 (9) + 5 O2 (9) → 4 NO (g) + 6 H2O (g) number or fraction only kJ/mol b) 2 Cus (s) + 3 O2 (g) → 2 Cuo (s) + 2 SO2 (g) number or fraction only kJ/mol
Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction: Given: S(s) + 3/2 O2(g) → SO3(g) SO ₂(g) →S(s) + O₂(g) 2 SO2(g) + O2(g) → 2 SO3(g) AHᵒrn = ? AHᵒrn = +297 kJ AH rxn-198 kJ
Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction (show all work): P4(g) + 10 Cl2(g) → 4PCl5(s) ΔH°rxn = ? Given: PCl5(s) → PCl3(g) + Cl2(g) ΔH°rxn = +157 kJ P4(g) + 6 Cl2(g) → 4 PCl3(g) ΔH°rxn = -1207 kJ
A chemist measures the enthalpy change AH during the following reaction: 4 Fe(s) + 3 02(g)→2 Fe,O3(s) AH =-320. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 Fe(s) + 0,6) - Fe,0,(1) O kJ 2Fe,0; (s) – 4Fe(s) + 30, (3) O kJ 4Fe,0, (s) - 8Fe(s) + 60, (3)
The enthalpy change for the oxidation of butane, C4H₁0, is measured by calorimetry. C4H10 (g) + 13/2 O2(g) → 4 CO2 (g) +5 H₂O(l) A₂H = -2877.6 kJ/mol-rxn Use this value, along with the standard enthalpies of formation of CO2(g) and H₂O(l) (-393.509 kJ/mol and -285.83 kJ/mol respectively), to calculate the enthalpy of formation of butane, C4H10, in kJ/mol. Enthalpy of formation = Submit Answer OCT 30 Try Another Version tv kJ/mol S4 I all 9 item attempts remaining Cengage Learning | Cengage Technical Support A MacBook Pro 7 ( O 04
A scientist measures the standard enthalpy change for the following reaction to be 184.8 kJ:Fe3O4(s) + 4 H2(g) 3Fe(s) + 4 H2O(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Fe3O4(s) is kJ/mol.
Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -103.2 kJ: 4HCl(g) + O2(g) → 2H₂O(g) + 2Cl₂ (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is I kJ/mol red Species AH (kJ/mol) H₂O(g) -241.8 Cl₂(g) 0.0 0₂ (9) 0.0
A scientist measures the standard enthalpy change for the following reaction to be -679.7 kJ : 2NH3(g) + 2 02(g)N20(g) + 3 H2O(1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of N20(g) is |kJ/mol.