Ejercicio Cobre 1

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Transcript of Ejercicio Cobre 1

ReaccionesDiagrama Eh-pH para el ZincConsiderar las siguientes especies:Especies:G (Kcal/mol)Cu(metal)0CuO(sol)-34.95CuO(sol)-30.4Cu(ac)12Cu(ac)15.53HCuO(ac)-61.42HO-56.7para [10 molar]NReacciones:G (Kcal/mol)pHEh*EhACNBMEh**EhCu / CuO12Cu(metal) + HO - 2e CuO(sol) + 2H21.750.4720.47221-212-0.059(0,472 - 0,059*pH)Cu / CuO2Cu(metal) + HO - 2e CuO(sol) + 2H26.300.5700.57011-212-0.059(0,570 - 0,059*pH)Cu / Cu3Cu(metal) - e Cu(ac)12.000.4020.52010-1100(0,402 - 0*pH)Cu / Cu4Cu(metal) - 2e Cu(ac)15.530.2780.33710-2100(0,278 - 0*pH)Cu / HCuO5Cu(metal) + 2HO - 2e HCuO(ac) + 3H51.981.0681.12712-213-0.089(1,068 - 0,089*pH)CuO / CuO6CuO(sol)+ HO - 2e 2CuO(sol) + 2H30.850.6690.66911-222-0.059(0,669 - 0,059*pH)CuO / Cu7CuO(sol) + 2H 2Cu(ac) + HO2.251.1751002-2CuO / Cu8CuO(sol) + 2H - 2e 2Cu(ac) + HO9.310.0840.20210-22-20.059(0,084 + 0,059*pH)CuO / HCuO9CuO(sol) + 3HO- 2e 2HCuO(ac) + 4H82.211.6651.78313-224-0.118(1,665 - 0,118*pH)CuO / Cu10CuO(sol) + 2H + e Cu(ac) + HO-14.300.7380.6201-111-2-0.118(0,738 - 0,118*pH)CuO / Cu11CuO(sol) + 2H Cu(ac) + HO-10.774.9511-101-2CuO / HCuO12CuO(sol) + HO HCuO(ac) + H25.6816.84111011Cu / Cu13Cu(ac) - e Cu(ac)3.530.1530.15310-1100(0,153 - 0*pH)Cu / HCuO14Cu(ac) + 2HO - e HCuO(ac) + 3H39.981.7341.73412-113-0.177(1,734 - 0,177*pH)Cu / HCuO15Cu(ac) + 2HO HCuO(ac) + 3H36.458.91412013

10^-2 molarPara [10 molar]ReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphLimites del Agua2Cu(metal) + HO - 2e CuO(sol) + 2H-0.4720Cu(metal) - e Cu(ac)0.4020Cu(metal) + 2HO - 2e HCuO(ac) + 3H1.0680CuO(sol) + 2H 2Cu(ac) + HO2.01.175CuO(sol) + 3HO- 2e 2HCuO(ac) + 4H1.6650CuO(sol) + 2H Cu(ac) + HO2.04.951Cu(ac) - e Cu(ac)0.1530Cu(ac) + 2HO HCuO(ac) + 3H2.08.914Eh (Limite Superior)pHEh (Limite Inferior)pH(0,472 - 0,059*pH)-0.592(0,402 - 0*pH)0.4022(1,068 - 0,089*pH)0.8921.61.175(1,665 - 0,118*pH)1.42921.64.951(0,153 - 0*pH)0.15321.68.9141.228000-0.70840.40240.71241.21.1751.19341.24.9510.15341.28.9141.16891-0.05911-0.82660.40260.53460.81.1750.95760.84.9510.15360.88.9141.10982-0.11822-0.94480.40280.35680.41.1750.72180.44.9510.15380.48.9141.05073-0.17733-1.062100.402100.178100.01.1750.485100.04.9510.153100.08.9140.99164-0.23644-1.18120.40212012-0.41.1750.24912-0.44.9510.15312-0.48.9140.93255-0.29555-1.298140.40214-0.17814-0.81.1750.01314-0.84.9510.15314-0.88.9140.87346-0.35466-1.416160.40216-0.35616-1.21.175-0.22316-1.24.9510.15316-1.28.9140.81437-0.41377-1.534180.40218-0.53418-1.61.175-0.45918-1.64.9510.15318-1.68.9140.75528-0.47288ReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhphReaccionesEhph0.69619-0.53199Cu(metal) + HO - 2e CuO(sol) + 2H-0.570Cu(metal) - 2e Cu(ac)0.2780CuO(sol)+ HO - 2e 2CuO(sol) + 2H0.6690CuO(sol) + 2H - 2e 2Cu(ac) + HO0.0840CuO(sol) + 2H + e Cu(ac) + HO0.7380CuO(sol) + HO HCuO(ac) + H2.016.841Cu(ac) + 2HO - e HCuO(ac) + 3H1.73400.63710-0.59110(0,570 - 0,059*pH)-0.6882(0,278 - 0*pH)0.2782(0,669 - 0,059*pH)0.5512(0,084 + 0,059*pH)0.2022(0,738 - 0,118*pH)0.50221.616.841(1,734 - 0,177*pH)1.3820.577911-0.650111-0.80640.27840.43340.3240.26641.216.8411.02640.518812-0.709212-0.92460.27860.31560.43860.0360.816.8410.67260.459713-0.768313-1.04280.27880.19780.5568-0.20680.416.8410.31880.400614-0.827414-1.16100.278100.079100.67410-0.442100.016.841-0.036100.341515-0.886515-1.278120.27812-0.039120.79212-0.67812-0.416.841-0.39120.282416-0.945616-1.396140.27814-0.157140.9114-0.91414-0.816.841-0.744140.223317-1.004717-1.514160.27816-0.275161.02816-1.1516-1.216.841-1.098160.164218-1.063818-1.632180.27818-0.393181.14618-1.38618-1.616.841-1.45218

10^-2 molar

2Cu(metal) + HO - 2e CuO(sol) + 2HCu(metal) + HO - 2e CuO(sol) + 2HCu(metal) - e Cu(ac)Cu(metal) - 2e Cu(ac)Cu(metal) + 2HO - 2e HCuO(ac) + 3HCuO(sol)+ HO - 2e 2CuO(sol) + 2HCuO(sol) + 2H 2Cu(ac) + HOCuO(sol) + 2H - 2e 2Cu(ac) + HOCuO(sol) + 3HO- 2e 2HCuO(ac) + 4HCuO(sol) + 2H + e Cu(ac) + HOCuO(sol) + 2H Cu(ac) + HOCuO(sol) + HO HCuO(ac) + HCu(ac) - e Cu(ac)Cu(ac) + 2HO - e HCuO(ac) + 3HCu(ac) + 2HO HCuO(ac) + 3HH20H20pHEhDiagrama de Pourbaix Cobre [10 molar]