Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 ∘C . Cu(s) || Cu2+(0.14 M) ‖‖ Fe2+(0.0040 M) || Fe(s) E∘Cu2+/Cu=0.339 VE∘Fe2+/Fe=−0.440 V Ecell= V Is the electrochemical cell spontaneous or not spontaneous as written at 25 ∘C ? not spontaneous spontaneous Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 ∘C . Pt(s) || Sn2+(0.0067 M),Sn4+(0.11 M) ‖‖ Fe3+(0.15 M),Fe2+(0.0019 M) || Pt(s) E∘Sn4+/Sn2+=0.154 VE∘Fe3+/Fe2+=0.771 V Ecell= V Is the electrochemical cell spontaneous or not spontaneous as written at 25 ∘C ? spontaneous not spontaneous

a)

The electro-chemical cell is non spontaneous because is negative

b)

The electro-chemical cell is spontaneous because is positive

Explanation:

a)

Electron change, n = 2

The electro-chemical cell is non spontaneous because is negative

b)

Electron change, n = 2

The electro-chemical cell is spontaneous because is positive

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conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.