menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
The two electrodes cr(s)/cr3+(aq) and fe(s)/fe2+(aq) are combined to afford a spontaneous electrochemical reaction. the standard reduction potentials in v for cr3+(aq) and fe2+(aq) are −0.74 and −0.44,
asked
Oct 9, 2019
49.2k
views
1
vote
The two electrodes cr(s)/cr3+(aq) and fe(s)/fe2+(aq) are combined to afford a spontaneous electrochemical reaction. the standard reduction potentials in v for cr3+(aq) and fe2+(aq) are −0.74 and −0.44, respectively. e° for the cell (in v) is
Chemistry
high-school
Jaclyn
asked
by
Jaclyn
8.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
1
vote
E = Ecathod- Eanode = -0.44 +0.74 =
Joe Waller
answered
Oct 15, 2019
by
Joe Waller
8.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Aug 16, 2021
115k
views
What would be the voltage (Ecell) of a voltaic cell comprised of Cr (s)/Cr3+(aq) and Fe (s)/Fe2+(aq) if the concentrations of the ions in solution were [Cr3+] = 0.75 M and [Fe2+] = 0.25 M at 298K?
Tolga Varol
asked
Aug 16, 2021
by
Tolga Varol
7.6k
points
Chemistry
college
1
answer
2
votes
115k
views
asked
Nov 19, 2021
202k
views
What is the value of the equilibrium constant at 25 oC for the reaction between the pair: Fe(s) and Cr3 (aq) to give Cr(s) and Fe2 (aq). Give your answer using E-notation with NO decimal places (e.g.,
Mxscho
asked
Nov 19, 2021
by
Mxscho
8.8k
points
Chemistry
college
1
answer
2
votes
202k
views
asked
Mar 20, 2019
229k
views
The following equations are half reactions and reduction potentials. Ag+ (aq) + e– Ag(s) has a reduction potential of +0.80 V. Cr3+ (aq) + 3e– Cr(s) has a reduction potential of –0.74 V. Which statement
Aendra
asked
Mar 20, 2019
by
Aendra
8.3k
points
Chemistry
high-school
2
answers
4
votes
229k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
Compare and contrast an electric generator and a battery??
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity