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

Leon has $40 How many Mexican pesos can Leon buy with his dollars
what percent increase is it to go from $1.25 to $1.50?
Compare and contrast a chemical reaction and a nuclear reaction.
BMI is used to screen for
Which was an accomplishment of the Tokugawa shogunate? A. 250 years of peace B. a period of increased trade and prosperity C. the welcoming of Christianity in J
4x+7y= 28 solve for y Not a graphing question
a sales associate is given a $500 hiring bonus with a new job.She earns an average commission of $250 per week for the next 18 weeks.how much does she earn?
Which word in the sentence is an interjection? Oh, I don't know what to do anymore. A. anymore B. oh C. know D. I
Plant cells undergo photosynthesis to produce glucose, a usable form of chemical energy. The energy produced by plants becomes the base of an energy pyramid. Gi
Why did clarisse McClellan die in the book Fahrenheit 451???