×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Gibbs Energy Data

Gibbs Energy Data

Gibbs Energy Data

(OP)
Can anyone suggest me the source of Gibbs Energy Data in general & for FeO, H2CO3 & FeCO3 in particular.

Thanx
Pawan

RE: Gibbs Energy Data

Gibbs molar energies of formation can be found in CRC's Handbook of Chemistry and Physics as well as in Lange's Handbook of Chemistry. The first gives

For solid FeO in the range of 300-1800 K:
       -270590+72.64T-1.26TlogT J/mol
For the same in the range of 1800-2000 K:
       -259034-23.42T+10.69TlogT J/mol

Lange's Handbook gives dGf, @ 25 deg C,
for
FeCO3: -666.7 kJ/mol
for
H2CO3, std. state, aq: -623.16 kJ/mol
for
FeO: -251.4 kJ/mol

RE: Gibbs Energy Data

(OP)
Thanx a lot (25362) for nicely provided values apart from their sources.

Pawan

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login



News


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close