# How do you calculate the cell potential of a galvanic cell?

Category:
science
chemistry

The overall

**cell potential**can be**calculated**by using the**equation**E0**cell**=E0red−E0oxid. Step 2: Solve. Before adding the two reactions together, the number of electrons lost in the oxidation must equal the number of electrons gained in the**reduction**. The silver half-**cell**reaction must be multiplied by two.

Simply so, how do you calculate galvanic cell potential?

- Write the half-reactions for each process. Zn(s)→Zn2+(aq)+2e-
- Look up the standard potential for the reduction half-reaction.
- Look up the standard reduction potential for the reverse of the oxidation reaction and change the sign.
- Add the cell potentials to get the overall standard cell potential.

**standard cell potential**for the reaction is then +0.34 V – (-0.76 V) = +1.10 V. The polarity of the

**cell**is determined by knowing that zinc metal is a stronger reducing agent than copper metal. Therefore, the

**standard**reduction

**potential**for zinc is more negative than that of copper.

Simply so, how do you calculate the standard reduction potential of a cell?

The **standard reduction potential** can be determined by subtracting the **standard reduction potential** for the reaction occurring at the anode from the **standard reduction potential** for the reaction occurring at the cathode. The minus sign is necessary because oxidation is the reverse of **reduction**.

The overall **cell potential** can be calculated by using the equation E0**cell**=E0red−E0oxid. Step 2: Solve. Before adding the two reactions together, the number of electrons lost in the oxidation must equal the number of electrons gained in the reduction. The silver half-**cell** reaction must be multiplied by two.