brittanyowusu7715 brittanyowusu7715
  • 02-03-2020
  • Physics
contestada

A voltaic cell with Mn/Mn2+ and Cd/Cd2+ half-cells has the following initial concentrations: [Mn2+]= 0.090 M; [Cd2+] = 0.060 M. (a) What is the initial E cell ?

Respuesta :

AFOKE88 AFOKE88
  • 03-03-2020

Answer:

Initial Ecell = 0.78V

Explanation:

From the question, we get;

(Cd)2+) + Mn ---> Cd + (Mn2+)

We will check half cell potentials from the table attached, we get ;

Mn = - 1.18V and Cd = - 0.4V

Ecell (standard) = E(reduction) - E(oxidation) = - 0.4 - (-1.18) = 0.78V

Ver imagen AFOKE88
Ver imagen AFOKE88
Answer Link

Otras preguntas

What is the solution of -30c-6=-9c-3
Which valences have the greatest tendency to form ions? 1)+1 2)-1 3)+2 4)-2 5)+3 6)-3 7)+4 8)-4 you can pick more then one
Distanta optima dintre ochi si carte în timpul cititului este circa 40cm?
What is 0.00004 in its standard form ??
What was the purpose of the Palmer raids
Mineral X is scratched by a diamond. Mineral X _____. A. has a Mohs hardness of 10 B. can't be scratched by a penny C. is softer than a diamond D. must be a pre
What is 50/8 in simplest form ??
Which leader is most closely associated with the end of communism within the soviet union?
How were British troops evacuated from Dunkirk, France? British fishing boats fighter planes submarines tanks
Which founding father held the role of lead military general during the American Revolutionary War? A. Paul Revere B. Benjamin Franklin C. George Washi