The standard heat of formation, AH, is defined as theenthalpy change for the formation of one mole of substancefrom its constituent elements in their standard states. Thus,elements in their standard states have AH = 0. Heat offormation values can be used to calculate the enthalpy changeof any reaction.Consider, for example, the reaction2NO(g) + O2(g) = 2NO₂(g)with heat of formation values given by the following table:SubstanceΔΗ(kJ/mol)90.2033.2NO(g)O₂(g)NO₂(g)Then the standard heat of reaction for the overall reaction isAH AH (products)AH; (reactants)[2(90.2) +0]= 2(33.2)=-114 kJPart AFor which of the following reactions is AHn equal to AH; of the product(s)? You do not need to look up any values to answer this question.Check all that apply.► View Available Hint(s)Li(s) +Cl₂(g) →LiCl(s)SO(g) + O₂(g) →SO2(g)S(s) + O₂(g) →SO₂ (g)SO3(g) → O₂(g) + SO2(g)Li(s) + Cl₂(1)→LiCl(s)2Li(s) + Cl₂ (g)→2LiCl(s)SubmitConstants I Periodic TablePart B

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The standard heat of formation, AH, is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH = 0. Heat of formation values can be used to calculate the enthalpy change. of any reaction. Consider, for example, the reaction 2NO(g) + O₂(g) = 2NO₂(g) with heat of formation values given by the following table: Substance AH; (kJ/mol) 90.2 0 33.2 NO(g) O₂(g) NO₂(g) Then the standard heat of reaction for the overall reaction is AH AH; (products) AH; (reactants) [2(90.2) +0] = 2(33.2) -114 kJ Part A For which of the following reactions is AHn equal to AH; of the product(s)? You do not need to look up any values to answer this question. Check all that apply. View Available Hint(s) Li(s) + Cl₂(g)→LiCl(s) SO(g) + O₂(g) →SO₂(g) S(s) + O₂(g)→SO₂(g) SO3(g) → O2(g) + SO2(g) Li(s) + Cl₂(1)→→LiCl(s) 2Li(s) + Cl₂ (g)→2LiCl(s) Submit Constants I Periodic Tab Part B

The standard heat of formation, AH, is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH = 0. Heat of formation values can be used to calculate the enthalpy change. of any reaction. Consider, for example, the reaction 2NO(g) + O₂(g) = 2NO₂(g) with heat of formation values given by the following table: Substance AH; (kJ/mol) 90.2 0 33.2 NO(g) O₂(g) NO₂(g) Then the standard heat of reaction for the overall reaction is AH AH; (products) AH; (reactants) [2(90.2) +0] = 2(33.2) -114 kJ Part A For which of the following reactions is AHn equal to AH; of the product(s)? You do not need to look up any values to answer this question. Check all that apply. View Available Hint(s) Li(s) + Cl₂(g)→LiCl(s) SO(g) + O₂(g) →SO₂(g) S(s) + O₂(g)→SO₂(g) SO3(g) → O2(g) + SO2(g) Li(s) + Cl₂(1)→→LiCl(s) 2Li(s) + Cl₂ (g)→2LiCl(s) Submit Constants I Periodic Tab Part B

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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