Electrochemistry

The molar conductivity of $0.8\ \text{M}$ $\text{BaCl}_2$ solution at $25^\circ\text{C}$ is $220\ \Omega^{-1}\text{cm}^2\text{mol}^{-1}$. Calculate its conductivity?

Calculate the emf of the following cell at $25^\circ\text{C}$ $\text{Zn(s)} \mid \text{Zn}^{++}(0.1\text{M}) \parallel \text{Cu}^{++}(0.05\text{M}) \mid \text{Cu(s)}$ if $E^\circ$ cells 1.1V?

The resistivity of a solution is $25.0\ \Omega$$\cdotcm.$ Find its conductivity $\kappa$ in (S cm$^{-1}$)?

The molar conductance of NaCl, HCl and $\text{CH}_3\text{COONa}$ at infinite dilution are 126.45, 426.16 and 91.0 S $\text{cm}^2\ \text{mol}^{-1}$ respectively. Calculate the molar conductance of…

How is the molar conductivity of an elecrolytic solution calculated?

Dry cell is an example of

How many Faraday electricity is required to reduce 0.25 g of Nb(V) to the metal? (Atomic mass of Nb = 93)

Which of the following acts as a cathode in a dry cell?

What is the cell constant of a cell containing a solution of resistance $90$ Ohm with conductivity $2 \times 10^{-3}\ \text{Ohm}^{-1}\text{cm}^{-1}$?

What is the value of standard electrode potential of the standard hydrogen gas electrode?

A 0.02 M KCl solution has conductivity $k=2.76\times10^{-3}\ \text{S cm}^{-1}$. Find molar conductivity?

Calculate the standard Gibbs energy for the following cell reaction, $\text{A(s)} + \text{B}^{2+}\text{(aq)} \rightarrow \text{A}^{2+}\text{(aq)} + \text{B(s)}$, if $E^\circ_{cell}$ is $0.556\ \text{V}$?