The e-m-f of the cell obtained by combining Zn and Cu electrode of a Daniel cell with N calomel electrode in two different arrangements are 1-083 V and 0-018 V respectively at 25-C- If the standard reduction potential of N calomel electrode is 0-28 V the emf V of Daniel cell is write the value to the nearest integer

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Electrochemical Cells, Galvanic Cells

The e.m.f of ...

Question

The e.m.f of the cell obtained by combining Zn and Cu electrode of a Daniel cell with N calomel electrode in two different arrangements are $1.083$ V and $0.018$ V respectively at $25^{\circ} C$ . If the standard reduction potential of N calomel electrode is $0.28$ V the emf (V) of Daniel cell is ______ (write the value to the nearest integer)

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1.083 v o l t

- 0.018 v o l t

25^{\circ} C

+ 0.28

0.67

25

^{o} C

H

0.28 V

H_{2} (1 a t m) | H^{+} (p H = x) | |

25^{\circ} C

- 0.28 V

{Z n}^{2 +} | Z n

- 0.76 V

{C u}^{2 +} | C u

0.34 V

(V)

(k J {m o l}^{- 1})

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