Calculate AHrxn for the reaction:Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO₂ (g)Use the following reactions and hypothetical AH values:4 Fe (s) + 3 O2 (g) → 2 Fe₂O3 (s) AH = 1552.4 kJ(1)2 CO (g) + O₂(g) → 2 CO₂ (g) AH = -661.4 kJ(2)The units are kJ per mole of Fe2O3. Do not include units in your answer.

We have been given enthalpy change of two reactions.We also have been given net reaction and we have…

Calculate AHrxn for the reaction: Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO₂ (g) Use the following reactions and hypothetical AH values: 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O3 (s) AH = - 1552.4 kJ 2 (1) 2 CO (g) + O₂ (g) → 2 CO₂ (g) AH = - 661.4 kJ (2) 2 The units are kJ per mole of Fe2O3. Do not include units in your answer.

Calculate AHrxn for the reaction: Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO₂ (g) Use the following reactions and hypothetical AH values: 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O3 (s) AH = - 1552.4 kJ 2 (1) 2 CO (g) + O₂ (g) → 2 CO₂ (g) AH = - 661.4 kJ (2) 2 The units are kJ per mole of Fe2O3. Do not include units in your answer.

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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Using the equations 2 Fe (s) + 3 CI, (g) → 2 FeCl, (s) AH° = -800.0 kJ/mol Si(s) + 2 CI, (g) → SICI, (s) AH° = -640.1 kJ/mol %3D 4 Determine the enthalpy (in kJ/mol) for the reaction 3 SICI, (s) + 4 Fe (s) → 4 FeCl, (s) + 3 Si (s) kJ/mol
14. Calculate the standard enthalpy change for the reaction: 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) given that: 2Al(s) + 3/202(g) → Al2O3(s) 2Fe(s) + 3/202(g) → Fe2O3(s) AH°x=-1675.7kJ/mol AH x =-824.2kJ/mol
Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)- →C4H₁0(g) ΔΗ° = -125.6 kJ (2) C₂H4(g)- →2C(s) + 2H₂(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C₂H4(g) + H₂(g) →C4H10(g) kj AH° = ?
The enthalpy (or heat) of combustion of acetone, (CH3)2CO, is - 1657.8 kJ. The reaction is (CH3)2CO (1) +4 0₂ (g) →3 CO₂(g) + 3 H₂O (g). Given the values of AH-393.5 kJ/mol for CO₂ (g) and AH-241.8 kJ/mol for H₂O(g), the calculated value of AH; for acetone O equals - 3563.7 kJ/mol O equals - 1022.5 kJ/mol O equals-248.1 kJ/mol O equals 1202.7 kJ/mol
Calculate AH for the following reaction, given the data in the table below: H2SO4() → So:(g) + H2O(g) AH = ??? kJ/mol H2S(g) +202(g)→ H2SO4(1) AH = -749.7 kJ H,S(g) + 202(g) → SO3(g) + H2O(1) AH = -355.0 kJ H20(1) H20(g) AH = +53.95 kJ
Are the reactions endothermic or exothermic? What observation supports this?
8.2
Given the following reactions Fe2O3 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g) ΔH = –28.0 kJ mol–1 3Fe (s) + 4CO2(s) → 4CO (g) + Fe3O4(s) ΔH = +12.5 kJ mol–1 Determine the enthalpy of the following reaction in kJ mol–1 3Fe2O3 (s) + CO (g) → CO2 (g) + 2Fe3O4 (s) Select one: a. 40.5 b. +109 c. –109 d. –59.0 e. –15.5
The following table contains some standard enthalpies of formation, AH, at 298 K. Substance diamond graphite carbon tetrachloride carbon tetrachloride carbon tetrafluoride methane carbon monoxide carbon dioxide chlorine gas Cl₂ (g) hydrochloric acid fluorine gas hydrofluoric acid hydrogen oxygen water water hydrogen peroxide hydrogen peroxide ΔΗ (kJ/mol) 1.88 Formula C(s) C(s) 0 CCl4 (g) -106.7 CC14 (1) -139.3 CF4 (g) CH4 (g) -74.8 CO(g) -110.5 -679.9 CO₂(g) -393.5 0 HCl(g) -92.30 F2 (g) 0 HF (g) -268.61 H₂(g) 0 O2 (g) 0 H₂O(g) -241.82 H₂O(1) -285.83 H₂O2(g) -136.10 H₂O2 (1) -187.8
When 3.8 g A are reacted with 8.5 g D, according to the balanced chemical equation below, 33 kJ of energy are released. Please calculate the enthalpy for this reaction when 3 moles of G are produced. 2A + 3D = 2Z + 3G given molar masses: A = 141.8 g/mole D = 63.996 g/ mole Z = 4.032 g/ mole G = 56.028 g/ mole
A.) Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + O2(g)-2NIO(s) AH° = -479.4 kJ (2) Ni(s) - Cl2(g)–→NIC2(s) AH° = -305.3 kJ what is the standard enthalpy change for the reaction: (3) 2NICI,(s) + O2(g)2NIO(s) + 2C2(g) AH° = ? kJ B.) Given the standard enthalpy changes for the following two reactions: (1) 4C(s) - SH2(g) C,H10(e) AH° = -125.ó kJ (2) C,H(g)2C(s) + 2H2(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C,H4(g) + H2(g) ) C,H10(g) AH° = ? kJ
When 0.0300L of 0.500 M KOH is mixed with 0.0500 L of 0.300 M HNO3 in a coffee-cup calorimeter, the temperature rises from 18.89°C to 20.20°C. The heat capacity of the calorimeter apparatus is 111 J/K. Calculate AH (in J) for the reaction: KOH(aq) + HNO3(aq) → KNO3(aq) + H2O(1) Assume the total volume of the solution mixture is 0.0800 L with a specific heat of 4.18 J/K•g and the density of 1.04 g/mL.