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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) BaCO3(s)→BaO(s) + CO2(g) Na(s) + Cl2 (1)→NaCl(s) Na(s) + Cl2(g)→NaCl(s) 2Na(s) + Cl2(g)→2NaCl(s) C(s, graphite) + O2(g)→CO2(g) CO(g) + 02(g)→CO2(g) O O O

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) BaCO3(s)→BaO(s) + CO2(g) Na(s) + Cl2 (1)→NaCl(s) Na(s) + Cl2(g)→NaCl(s) 2Na(s) + Cl2(g)→2NaCl(s) C(s, graphite) + O2(g)→CO2(g) CO(g) + 02(g)→CO2(g) O O O

Chemistry
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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The first picture is the actual problem and the second picture is extra information. It would be very much appreciated if you could explain how you reached to your conclusion. Thank you!

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) O BACO3 (s)→BaO(s) + CO2(g) □ Na(s) + 글Cl2(1) →NaCI(s) Na(s) + Cl2 (g)→NaCl(s) 2Na(s) + Cl2 (g)–→2NACI(s) C(s, graphite) + O2(g)→CO2(g) O CO(g) + ÷O2(g)→CO2(g)
Transcribed Image Text: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) O BACO3 (s)→BaO(s) + CO2(g) □ Na(s) + 글Cl2(1) →NaCI(s) Na(s) + Cl2 (g)→NaCl(s) 2Na(s) + Cl2 (g)–→2NACI(s) C(s, graphite) + O2(g)→CO2(g) O CO(g) + ÷O2(g)→CO2(g)
Formation Reactions 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: ΔΗ (kJ/mol) Substance NO(g) 90.2 O2(g) NO2(g) 33.2 Then the standard heat of reaction for the overall reaction is ΔΗ ΔΗ; (products) -ΔΗ (reactants) [2(90.2) + 0] 2(33.2) - -114 kJ
Transcribed Image Text:Formation Reactions 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: ΔΗ (kJ/mol) Substance NO(g) 90.2 O2(g) NO2(g) 33.2 Then the standard heat of reaction for the overall reaction is ΔΗ ΔΗ; (products) -ΔΗ (reactants) [2(90.2) + 0] 2(33.2) - -114 kJ
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