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Consider the following cell reaction Z...

Consider the following cell reaction
`Znabs(Zn^(2+)(1M)) abs(Cd^(+2)(1M))Cd.Give the cell reaction and calculate the standard cell potential.
`(E^0)_((Zn^(2+))/(Zn)=-0.76V , `(E^0)_((Cd^(2+))/(Cd)=0.40V`

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Zn(s)+2H^(+)(aq)rarr Zn^(2+)(0.1M)+H_(2)(g,"1 atm") Cell potential of a chemical cell in which the above reaction occurs is +0.28V at 25^(@)C . Write the half-cell reactions and calculate the pH of the hydrogen electrode. Give : E_("Zn^(2+)|Zn)^(@)=-0.76V and E_(2H^(+)|H_(2))^(@)=0.00V .

Zn(s)+2H^(+)(aq)rarr Zn^(2+)(0.1M)+H_(2)(g,"1 atm") Cell potential of a chemical cell in which the above reaction occurs is +0.28V at 25^(@)C . Write the half-cell reactions and calculate the pH of the hydrogen electrode. Give : E_("Zn^(2+)||Zn)^(@)=-0.76V and E_(2H^(+)||H)^(@)=0.00V

Determine the EMF of a decimolar Daniell cell at 25^(@)C . Given : E_(Zn^(2+)|Zn)^(@)=-0.76V and E_(Cu^(2+)|Cu)^(@)=+0.34V .

What does the negative sign in the expression E_(Zn^(2+)|Zn)^(@)=-0.76V mean ?

See whether the cell representation given below is in accordance with the conventation or not. If it is not, then write the correct representation and reaction of the cell. Calculate the standard EMF of the cell: Cu|Cu^(2+)||Zn|Zn^(2+) . ["Given : "E_(Cu^(2+)|Cu)^(@)=+0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V]

Calculate cell potential of Fe|Fe^(2+)(a=0.6)||Sn^(2+)(a=0.2)|Sn Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Sn)^(@)=+0.14V

Write the cell reaction and calculate the emf of the following cell at 298 K. Sn(s)|Sn^(2+)(0.004M)||H^(+)(0.02M)|H_(2)(g)"(1 bar)"|Pt(s). (E_(Sn^(2+)|Sn)=-0.14V)

Represent symbolically the galvanic cells in which the following reaction occurs. Calculate the standard electromotive forces of the cells : (3) Zn+H_(2)SO_(4)rarr ZnSO_(4)+H_(2) Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Zn)^(@)=-0.14V , E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V , E_(H^(+)|(1)/(2)H_(2))^(@)=0.00V .

Represent symbolically the galvanic cells in which the following reaction occurs. Calculate the standard electromotive forces of the cells : (1) Fe+CuSO_(4)rarr FeSO_(4)+Cu Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Zn)^(@)=-0.14V , E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V , E_(H^(+)|(1)/(2)H_(2))^(@)=0.00V .

Represent symbolically the galvanic cells in which the following reaction occurs. Calculate the standard electromotive forces of the cells : (2) Fe+Sn^(2+)rarr Fe^(2+)+Sn Given : E_(Fe^(2+)|Fe)^(@)=-0.44V, E_(Sn^(2+)|Zn)^(@)=-0.14V , E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Zn^(2+)|Zn)^(@)=-0.76V , E_(H^(+)|(1)/(2)H_(2))^(@)=0.00V .

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