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For which of the following reactions is A,H° equal to Ar Hº 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 (s) + O2 (9)→CO2(g) O Li(s) + ¿F2(1)¬LİF(s) O Li(s) + ¿F2(9)→LİF(s) 2Li(s) + F2 (9)→2LİF(s) O CO(g) + O2(g)→CO2(9) BaCO3(s)¬BAO(s) + CO2(9)

For which of the following reactions is A,H° equal to Ar Hº 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 (s) + O2 (9)→CO2(g) O Li(s) + ¿F2(1)¬LİF(s) O Li(s) + ¿F2(9)→LİF(s) 2Li(s) + F2 (9)→2LİF(s) O CO(g) + O2(g)→CO2(9) BaCO3(s)¬BAO(s) + CO2(9)

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Review | Constants | PeriIodic Table The standard heat of formation, Ar H°, 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 AfH® =0. Heat of formation values can be used to calculate the enthalpy change of any reaction. Part A For which of the following reactions is A,H° equal to Ar H° of the product(s)? Consider, for example, the reaction You do not need to look up any values to answer this question. 2NO(g) + O2(9) = 2NO2(9) Check all that apply. with heat of formation values given by the following table: • View Available Hint(s) Substance (kJ mol-1) NO(9) O C(s) + 02 (9)→CO2(9) 90.2 O2 (9) O Li(s) + F2(1)→LIF(s) NO2(9) 33.2 O Li(s) + F2(9)→LİF(s) O 2Li(s) +F2(9)→2LİF(s) Then the heat of formation for the overall reaction is A,H°= EnpAf H° (products)- nA¢H° (reactants) O CO(g) + ÷O2(9)→CO2(9) 2(33.2) [2(90.2) + 0] -114 kJ mol-1 O BaCO3(s)→BA0(s) + CO2(9) Submit
Transcribed Image Text:Review | Constants | PeriIodic Table The standard heat of formation, Ar H°, 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 AfH® =0. Heat of formation values can be used to calculate the enthalpy change of any reaction. Part A For which of the following reactions is A,H° equal to Ar H° of the product(s)? Consider, for example, the reaction You do not need to look up any values to answer this question. 2NO(g) + O2(9) = 2NO2(9) Check all that apply. with heat of formation values given by the following table: • View Available Hint(s) Substance (kJ mol-1) NO(9) O C(s) + 02 (9)→CO2(9) 90.2 O2 (9) O Li(s) + F2(1)→LIF(s) NO2(9) 33.2 O Li(s) + F2(9)→LİF(s) O 2Li(s) +F2(9)→2LİF(s) Then the heat of formation for the overall reaction is A,H°= EnpAf H° (products)- nA¢H° (reactants) O CO(g) + ÷O2(9)→CO2(9) 2(33.2) [2(90.2) + 0] -114 kJ mol-1 O BaCO3(s)→BA0(s) + CO2(9) Submit
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