Sunday
March 29, 2015

Homework Help: CHEMISTRY

Posted by sabrina on Friday, November 30, 2012 at 11:17pm.

cell diagram:H2(g,1atm) Pt
Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits.
Enter scientific notation as 1.23E4.



(a) What is Ecell if the unknown solution in the half-cell on the left has pH = 4.94?



____________



(b) What is Ecell if the unknown solution in the half-cell on the left is 0.03890 M HCl?



____________



(c) What is Ecell if the unknown solution in the half-cell on the left is 0.194 M HA, where HA represents a weak acid with Ka = 1.8x10−5?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

CHEMISTRY - Enter part(a), (c) with 2 siginificant digits and part(b) with 3 ...
CHEMISTRY - A concentration cell is constructed of two hydrogen electrodes. The ...
CHEMISTRY - Use the Nernst equation and calculate Ecell for each of the ...
CHEMISTRY - Use the Nernst equation to calculate Ecell for each of the following...
CHEMISTRY - Use the Nernst equation and data from Appendix D to calculate Ecell ...
CHEMISTRY HELP PLEASE!!! - The cell potential of the following electrochemical ...
CHEMISTRY - The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1...
CHEMISTRY - The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1...
CHEMISTRY - The half-cell, Tl | Tl+(1 mol L-1), is connected to a Pt | H+ | H2(1...
Chemistry - Hi, if anyone can give me help for any part of the question that ...

Members