The standard reduction potentials for two half-cell reactions are given below. aligned Cd ²⁺(a q)+2 e⁻ & Cd (s) ; E^ =-0.40 ~V Ag ⁺(a q)+e⁻ & Ag (s), E^ =0.80 ~V aligned The standard free energy change for the reaction 2 Ag ⁺(a q)+ Cd (s) 2

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The standard reduction potentials for two half-cell reactions are given below. aligned Cd ²⁺(a q)+2 e⁻ & Cd (s) ; E^ =-0.40 ~V Ag ⁺(a q)+e⁻ & Ag (s), E^ =0.80 ~V aligned The standard free energy change for the reaction 2 Ag ⁺(a q)+ Cd (s) 2 Ag (s)+ Cd ²⁺(a q)

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Correct answer: C. -231.6 kJ

( aligned & 2 Ag ⁺( aq )+2 e⁻ 2 Ag ( s ) ; E ^ =0.80 ~V & Cd ( s ) Cd ²⁺( aq )+2 e⁻ ; E ^ =0.40 ~V & 2 Ag ⁺( aq )+ Cd ( s ) 2 Ag ( s )+ Cd ²⁺( aq ) ; E ^ =1.20 ~V & G =- nFE ^ =-2 96500 1.20=-231.6 ~kJ aligned )

The standard reduction potentials for two half-cell reactions are given below. aligned Cd ²⁺(a q)+2 e⁻ & Cd (s) ; E^ =-0.40 ~V Ag ⁺(a q)+e⁻ & Ag (s), E^ =0.80 ~V aligned The standard free energy change for the reaction 2 Ag ⁺(a q)+ Cd (s) 2 Ag (s)+ Cd ²⁺(a q)

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