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The AH;° for the reaction FeO() + CO(g)– Fe(s) + CO,(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH;° for FeO.

The AH;° for the reaction FeO() + CO(g)– Fe(s) + CO,(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH;° for FeO.

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.99QE
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In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the following thermochemical equations, Fe,O3() + 3CO(g). 2Fe(s) + 3CO,(g) AH° =-28 kJ 3Fe,O3(6) + CO(g) 2Fe,O4() + CO,(g) AH° = -59 kJ FezO,(s) + CO(g)- 3FcO(s) + CO,(g) AH° = +38 kJ The AH;° for the reaction FeO(s) + CO(g)- Fe(s)+ CO2(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH;° for FeO. Standard Enthalpies of Formation of Typical Substances Substance H,O,() HBr(g) AH? (NI mol-") AH7 (kI mol-1) AH; (KI mol-") AH (KI mol-1) Substance substance substance Ag(s) -187.6 CH() -84.667 NO(g) 90.37 AgBr() - 100.4 -36 CH,OH) -277.63 NO:(g) 33.8 - 127.0 HCI(g) -92.30 Ca(s) N,0(g) 81.57 AlG) HI(g) 26.6 CaBrzG) -682.8 9.67 Al,O,() -1669.8 HNO,() -173.2 CaCO,(s) -1207 N,O,(g) 11 C6) (graphite) H,SO) -811.32 CaCl,() -795.0 Na(s) HC,H,0,() NaHCO,() Na,CO,() NaCI() -110.5 -487.0 -635.5 -947.7 CO,() CH(g) CH,C(g) CHI(g) -393.5 Hg(/) Ca(OH),0) -986.59 -1131 Hg(g) 60.84 CaSO,() - 1432.7 - 1575.2 -74.848 -411.0 1,6) CaSO, H,0) -82.0 NaOH() -426.8 14.2 K(s) CasO, 2H,OG) - 2021.1 Na,SO,6) -1384.5 CH,OH() CO(NH) (urea) CO(NH),(ag) C,H;(g) C,H.(g) -238.6 KCI() -435.89 0,(g) Pb(3) -333.19 K,SO,) -1433.7 Fe(s) -391.2 N;(g) Fe,O,4) -822.2 PbO() -219.2 226.75 NH,(g) -46.19 H;(g) 52.284 NH,C() H;O(g) H,O) -315.4 -241.8 -296.9 -285.9 so,() -395.2 Express the answer in units of kilojoules per mole. AH° = i kJ/mol
Transcribed Image Text:In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the following thermochemical equations, Fe,O3() + 3CO(g). 2Fe(s) + 3CO,(g) AH° =-28 kJ 3Fe,O3(6) + CO(g) 2Fe,O4() + CO,(g) AH° = -59 kJ FezO,(s) + CO(g)- 3FcO(s) + CO,(g) AH° = +38 kJ The AH;° for the reaction FeO(s) + CO(g)- Fe(s)+ CO2(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH;° for FeO. Standard Enthalpies of Formation of Typical Substances Substance H,O,() HBr(g) AH? (NI mol-") AH7 (kI mol-1) AH; (KI mol-") AH (KI mol-1) Substance substance substance Ag(s) -187.6 CH() -84.667 NO(g) 90.37 AgBr() - 100.4 -36 CH,OH) -277.63 NO:(g) 33.8 - 127.0 HCI(g) -92.30 Ca(s) N,0(g) 81.57 AlG) HI(g) 26.6 CaBrzG) -682.8 9.67 Al,O,() -1669.8 HNO,() -173.2 CaCO,(s) -1207 N,O,(g) 11 C6) (graphite) H,SO) -811.32 CaCl,() -795.0 Na(s) HC,H,0,() NaHCO,() Na,CO,() NaCI() -110.5 -487.0 -635.5 -947.7 CO,() CH(g) CH,C(g) CHI(g) -393.5 Hg(/) Ca(OH),0) -986.59 -1131 Hg(g) 60.84 CaSO,() - 1432.7 - 1575.2 -74.848 -411.0 1,6) CaSO, H,0) -82.0 NaOH() -426.8 14.2 K(s) CasO, 2H,OG) - 2021.1 Na,SO,6) -1384.5 CH,OH() CO(NH) (urea) CO(NH),(ag) C,H;(g) C,H.(g) -238.6 KCI() -435.89 0,(g) Pb(3) -333.19 K,SO,) -1433.7 Fe(s) -391.2 N;(g) Fe,O,4) -822.2 PbO() -219.2 226.75 NH,(g) -46.19 H;(g) 52.284 NH,C() H;O(g) H,O) -315.4 -241.8 -296.9 -285.9 so,() -395.2 Express the answer in units of kilojoules per mole. AH° = i kJ/mol
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