Define cell constant. How is it related to conductivity.?

Write the Nernst equation and calculate the emf of the following cell at 298 K.

Cu (s) / Cu^{++ }( 0.130 M) // Ag^{+ }( 1.0× 10^{-4 }M) / Ag (s) given : E Cu++ / Cu = 0.34V and E Ag+/Ag = 0.80V

what is debye huckel onsagers equation?

what is salt bridge?

explain its function?

The molar conductivities at infinite dilution for NaI, CH_{3}COONa and (CH_{3}COO)_{2}Mg are 12.69, 9.10 and 18.78 S m² mol^{−1}. What is Λ_{°m} for MgI_{2 }?

other than

learn this

log 10=1 log 100=2 log 1000=3 and so on.

now,coming to your question,

log 0.130 is same as log 130/1000.

log 130/1000 = log 130 - log 1000

= 2.113 - 3

= -0.8860.

Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.

At 298 K, molar conductivities at infinite dilution of NH_{4}Cl, NaOH and NaCl are

Cu does not dissolve in HCl but dissolves in nitric acid. Explain why?

Why does a dry cell become dead after a long time even if it has not been used?

what is discharge potential ?

The products of electrolysis of molten NaCl are Na metal and Cl_{2} gas, while the products of electrolysis of aqueous solution of NaCl are NaOH, Cl_{2} and H_{2}.

Please explain this in detail with the appropriate reactions.

what are the factors affecting ionic conductance???

what is the difference between E cell and E^{0 cell??}

what is the difference among E0cell , Ecell, emf and potential difference....explain

what is redox couple

why does mercury cell give a constant voltage throughout its life?

Here are a list of q'z pls ans. them briefly

q1)The number of faradays required to deposit 1g equivalent of alumininium(at wt.27)from a soln of AlCl3 is-

q2)What is the electrochemical equivalent of Cu in the rxn-

Cu2++2e---------Cu

q3)The specifc conductance of saturated soln of CaF2 is 3.86*10(power -15) and that of water used for solution is 0.15*10(power -5).What is the specific conductance of CaF2 alone?

q4)What is the molar conductivity "^". If resistivity is 'x' for 0.1 N H2SO4 solution?

q5)The conductivities at infinite dilution of NH4CL,NAOH and NaCl are 130,218,120.If equivalent conductance of N/100 soln of NH4OH is 10,degree of disociation of NH4OH at this dilution is-

q6)The resistance of a N/10 KCL aq. soln is 245 ohms.If the electrodes in the cell are 4cm apart and area having 7 cm sq. each,the molar conductance of the soln will be?

Define cell constant. How is it related to conductivity.?

Write the Nernst equation and calculate the emf of the following cell at 298 K.

Cu (s) / Cu

^{++ }( 0.130 M) // Ag^{+ }( 1.0× 10^{-4 }M) / Ag (s) given : E Cu++ / Cu = 0.34V and E Ag+/Ag = 0.80Vwhat is debye huckel onsagers equation?

what is salt bridge?

explain its function?

The molar conductivities at infinite dilution for NaI, CH

_{3}COONa and (CH_{3}COO)_{2}Mg are 12.69, 9.10 and 18.78 S m² mol^{−1}. What is Λ_{°m}for MgI_{2 }?.130-log of[.0001]???^{2}other than

learn this

log 10=1 log 100=2 log 1000=3 and so on.

now,coming to your question,

log 0.130 is same as log 130/1000.

log 130/1000 = log 130 - log 1000

= 2.113 - 3

= -0.8860.

Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.

At 298 K, molar conductivities at infinite dilution of NH

129.8, 217.4 and 108.9 ohm_{4}Cl, NaOH and NaCl are^{-1}cm^{2}respectively. If molar conductivity ofcentinormal solution of NH4OH is 9.33 ohm-1 cm2, what is the degree ofdissociation if NH_{4}OH solution?Cu does not dissolve in HCl but dissolves in nitric acid. Explain why?

Why does a dry cell become dead after a long time even if it has not been used?

what is discharge potential ?

(i) an electrolyte, KCl, is added to a hydrated ferric oxide sol.

(ii) an electric current is passed through a colloidal solution.

(iii) a beam of strong light is passed through a colloidal solution.

The products of electrolysis of molten NaCl are Na metal and Cl

_{2}gas, while the products of electrolysis of aqueous solution of NaCl are NaOH, Cl_{2}and H_{2}.Please explain this in detail with the appropriate reactions.

what are the factors affecting ionic conductance???

what is the difference between E cell and E

^{0 cell??}^{–6 }mho cm^{–1}. Find the solubility product of AgCl at 25°C.$\left({\mathrm{\lambda}}_{\mathrm{AgCl}}^{\infty}=138.3\mathrm{mho}{\mathrm{cm}}^{2}\right)$

what is the difference among E0cell , Ecell, emf and potential difference....explain

what is redox couplewhy does mercury cell give a constant voltage throughout its life?

Here are a list of q'z pls ans. them briefly

q1)The number of faradays required to deposit 1g equivalent of alumininium(at wt.27)from a soln of AlCl3 is-

q2)What is the electrochemical equivalent of Cu in the rxn-

Cu2++2e---------Cu

q3)The specifc conductance of saturated soln of CaF2 is 3.86*10(power -15) and that of water used for solution is 0.15*10(power -5).What is the specific conductance of CaF2 alone?

q4)What is the molar conductivity "^". If resistivity is 'x' for 0.1 N H2SO4 solution?

q5)The conductivities at infinite dilution of NH4CL,NAOH and NaCl are 130,218,120.If equivalent conductance of N/100 soln of NH4OH is 10,degree of disociation of NH4OH at this dilution is-

q6)The resistance of a N/10 KCL aq. soln is 245 ohms.If the electrodes in the cell are 4cm apart and area having 7 cm sq. each,the molar conductance of the soln will be?

andMnO2in dry cell?charcoal