Given the folowing standerd electrode potentials, the K_(sp) for PbBr_(2) is : PbBr_(2)(s)+2e^(-)toPb(s)+2Br^(-)(aq), E^(@)=-0.248 V Pb^(2+)(aq)+2e^(-)toPb(s), E^(@)=-0.126 V
Calculate the equilibrium constant for the reaction at 298K Cu(s)+Cl_(2)(g)toCuCl_(2)(aq) Given that R=8.314JK^(-1)mol^(-1) , E^(@)Cu^(2+)//Cu=0.34V , E^(@)(1)/(2)Cl_(2)//Cl^(-)=1.36V F=96500C" "mol^(-1)
In a hydrogen oxyge fuel cell, electricity is produced. In this process H_2 (g) is oxided at anode and O_2 (g) reduced at cathode Given: Cathode O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq) Anode H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-) 4.48 litre H_2 at 1atm and 273 k oxidised in 9650 sec. The current produced is (in amp):
In a hydrogen oxygen fuel cell, electricity is produced. In this process H_2 (g) is oxided at anode and O_2 (g) reduced at cathode Given: Cathode O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq) Anode H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-) 4.48 litre H_2 at 1atm and 273 k oxidised in 9650 sec. The mass of water produced is :
what is the standard electrode potential for the reduction of HClO? HClO(aq)+H^+(aq+2e^(-)toCl^(-)(aq)+H_2O(l) Given: Cr^2(aq)toCr^(3+)(aq)+e^(-),E^(@)=0.41V HClO(aq)+H^+(aq)+2Cr^(2+)(aq)to2Cr^(3+)(aq)+H_2O(l),E^(@)=1.80
Given the listed standard electrode potentials, what is E^(@) for the cell: 4BiO^+(aq)+3N_2H_5^+(aq)to4Bi(s)3N_2(g)+4H_2O)l)+7H^+(aq) N_2(g)+5H^+(aq)+4e^(-)toN_2H_5^+(aq),E^(@)=-0.23V BiO^+(aq)+2H^+(aq)+3e^(-)toBi(s)+H_2O(l),E^(@)=+0.32V
Calculate DeltaG^(@) and equilibrium constant for the cell reaction, Cl_(2)+2l^(-) hArr 2Cl^(-)+I_(2) Given that: E^(@)(Cl_(2),Cl^(-))=1*36V,E^(@)(l_(2),l^(-))=0*536V
Using the given data ,find the strongest reducing agent E^@Cr^(6+)//Cr^(3+)=1.33V,E^@Cl_2//Cl^(-)=1.36V E^@ Mn^(7+)//Mn^(2+)=1.51 V, E^(@) Cr^(3+)//Cr =-0.74 V.
Consider the following half-cell reaction and associated standerd half-cell potentials and determine the maximum voltage thatr can be obtained by combination resulting in spontenous process : AuBr_(4)^(-)(aq)+3e^(-)toAu(s)+4BR^(-)(aq), E^(@)=-086V Eu^(3+)(aq)+e^(-)toEu^(2+)(aq), E^(@)=-043V Sn^(2+)(aq)+2e^(-)toSn(s), E^(@)=-0.14V IO^(-)(aq)+H_(2)O(l)+2e^(-)toI^(-)(aq)+2OH^(-), E^(@)=+0.49V