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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(s) + 3CO(g)→ 2Fe(s) + 3CO,(g) AH° = -28 kJ 3Fe,O3() + CO(g) 2Fe3O4() + Co,(g) AH = -59 kJ FezO,(s) + CO(g)→ 3FCO(s) + CO,(g) AH° = +38 kJ The AH° for the reaction FeO() + 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 AH; (KI mol-1) AH; (kl mol-1) 90.37 Substance Substance AH (KI mol-1) Substance AH; (KI mol-1) Substance Ag(s) AgBr() H,O,(/) -187.6 CH.(g) -84.667 NO(g) - 100.4 - 127.0 HBr(g) -36 CH,OH(/) -277.63 NO,(g) 33.8 AgCI(s) HCIg) -92.30 Ca) 81.57 Al() HI(g) 26.6 CaBr,() -682.8 9.67 Al,0,) -1669.8 HNO,() -173.2 CaCO() - 1207 11 CG) (graphite) H,SO,() -811.32 CaCl,() -795.0 Na(s) CO(g) HC,H,0,) NaHCO,) Na,CO,() -110.5 -487.0 CaO() -635.5 -947.7 CO.(g) -393.5 Hg(/) Ca(OH),() -986.59 -1131 CH,(g) -74.848 Hg(g) 60.84 CaSO,() - 1432.7 NaCI) -411.0 CH,CIg) -82.0 1,6) 0. - 1575.2 -426.8 CasO, H,0() CaSO, 2H,04) NAOH() CHI(g) 14.2 K(s) - 2021. Na,SO,6) -1384.5 CH,OH() -238.6 KCI) -435.89 Chg) CO(NH),() (urea) -333.19 KSO,) -1433.7 Fe() Pb(s) CO(NH),(ag) -391.2 N2(g) Fe,O,6) -822.2 PbO() -219.2 CH.(g) 226.75 NH,(g) -46.19 H2(g) H;O(g) CH.(g) 52.284 NH,CI) -315.4 -241.8 So-(g) -296.9 H,O() -285.9 So,(g) -395.2 Express the answer in units of kilojoules per mole. AH° = i kJ/mol

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(s) + 3CO(g)→ 2Fe(s) + 3CO,(g) AH° = -28 kJ 3Fe,O3() + CO(g) 2Fe3O4() + Co,(g) AH = -59 kJ FezO,(s) + CO(g)→ 3FCO(s) + CO,(g) AH° = +38 kJ The AH° for the reaction FeO() + 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 AH; (KI mol-1) AH; (kl mol-1) 90.37 Substance Substance AH (KI mol-1) Substance AH; (KI mol-1) Substance Ag(s) AgBr() H,O,(/) -187.6 CH.(g) -84.667 NO(g) - 100.4 - 127.0 HBr(g) -36 CH,OH(/) -277.63 NO,(g) 33.8 AgCI(s) HCIg) -92.30 Ca) 81.57 Al() HI(g) 26.6 CaBr,() -682.8 9.67 Al,0,) -1669.8 HNO,() -173.2 CaCO() - 1207 11 CG) (graphite) H,SO,() -811.32 CaCl,() -795.0 Na(s) CO(g) HC,H,0,) NaHCO,) Na,CO,() -110.5 -487.0 CaO() -635.5 -947.7 CO.(g) -393.5 Hg(/) Ca(OH),() -986.59 -1131 CH,(g) -74.848 Hg(g) 60.84 CaSO,() - 1432.7 NaCI) -411.0 CH,CIg) -82.0 1,6) 0. - 1575.2 -426.8 CasO, H,0() CaSO, 2H,04) NAOH() CHI(g) 14.2 K(s) - 2021. Na,SO,6) -1384.5 CH,OH() -238.6 KCI) -435.89 Chg) CO(NH),() (urea) -333.19 KSO,) -1433.7 Fe() Pb(s) CO(NH),(ag) -391.2 N2(g) Fe,O,6) -822.2 PbO() -219.2 CH.(g) 226.75 NH,(g) -46.19 H2(g) H;O(g) CH.(g) 52.284 NH,CI) -315.4 -241.8 So-(g) -296.9 H,O() -285.9 So,(g) -395.2 Express the answer in units of kilojoules per mole. AH° = i kJ/mol

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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(s) + 3CO(g)→ 2Fe(s) + 3CO,(g) AH° = -28 kJ 3Fe,O3() + CO(g) 2Fe3O4() + Co,(g) AH = -59 kJ FezO,(s) + CO(g)→ 3FCO(s) + CO,(g) AH° = +38 kJ The AH° for the reaction FeO() + 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 AH; (KI mol-1) AH; (kl mol-1) 90.37 Substance Substance AH (KI mol-1) Substance AH; (KI mol-1) Substance Ag(s) AgBr() H,O,(/) -187.6 CH.(g) -84.667 NO(g) - 100.4 - 127.0 HBr(g) -36 CH,OH(/) -277.63 NO,(g) 33.8 AgCI(s) HCIg) -92.30 Ca) 81.57 Al() HI(g) 26.6 CaBr,() -682.8 9.67 Al,0,) -1669.8 HNO,() -173.2 CaCO() - 1207 11 CG) (graphite) H,SO,() -811.32 CaCl,() -795.0 Na(s) CO(g) HC,H,0,) NaHCO,) Na,CO,() -110.5 -487.0 CaO() -635.5 -947.7 CO.(g) -393.5 Hg(/) Ca(OH),() -986.59 -1131 CH,(g) -74.848 Hg(g) 60.84 CaSO,() - 1432.7 NaCI) -411.0 CH,CIg) -82.0 1,6) 0. - 1575.2 -426.8 CasO, H,0() CaSO, 2H,04) NAOH() CHI(g) 14.2 K(s) - 2021. Na,SO,6) -1384.5 CH,OH() -238.6 KCI) -435.89 Chg) CO(NH),() (urea) -333.19 KSO,) -1433.7 Fe() Pb(s) CO(NH),(ag) -391.2 N2(g) Fe,O,6) -822.2 PbO() -219.2 CH.(g) 226.75 NH,(g) -46.19 H2(g) H;O(g) CH.(g) 52.284 NH,CI) -315.4 -241.8 So-(g) -296.9 H,O() -285.9 So,(g) -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(s) + 3CO(g)→ 2Fe(s) + 3CO,(g) AH° = -28 kJ 3Fe,O3() + CO(g) 2Fe3O4() + Co,(g) AH = -59 kJ FezO,(s) + CO(g)→ 3FCO(s) + CO,(g) AH° = +38 kJ The AH° for the reaction FeO() + 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 AH; (KI mol-1) AH; (kl mol-1) 90.37 Substance Substance AH (KI mol-1) Substance AH; (KI mol-1) Substance Ag(s) AgBr() H,O,(/) -187.6 CH.(g) -84.667 NO(g) - 100.4 - 127.0 HBr(g) -36 CH,OH(/) -277.63 NO,(g) 33.8 AgCI(s) HCIg) -92.30 Ca) 81.57 Al() HI(g) 26.6 CaBr,() -682.8 9.67 Al,0,) -1669.8 HNO,() -173.2 CaCO() - 1207 11 CG) (graphite) H,SO,() -811.32 CaCl,() -795.0 Na(s) CO(g) HC,H,0,) NaHCO,) Na,CO,() -110.5 -487.0 CaO() -635.5 -947.7 CO.(g) -393.5 Hg(/) Ca(OH),() -986.59 -1131 CH,(g) -74.848 Hg(g) 60.84 CaSO,() - 1432.7 NaCI) -411.0 CH,CIg) -82.0 1,6) 0. - 1575.2 -426.8 CasO, H,0() CaSO, 2H,04) NAOH() CHI(g) 14.2 K(s) - 2021. Na,SO,6) -1384.5 CH,OH() -238.6 KCI) -435.89 Chg) CO(NH),() (urea) -333.19 KSO,) -1433.7 Fe() Pb(s) CO(NH),(ag) -391.2 N2(g) Fe,O,6) -822.2 PbO() -219.2 CH.(g) 226.75 NH,(g) -46.19 H2(g) H;O(g) CH.(g) 52.284 NH,CI) -315.4 -241.8 So-(g) -296.9 H,O() -285.9 So,(g) -395.2 Express the answer in units of kilojoules per mole. AH° = i kJ/mol
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