Textbook 9.67






Moderators: Chem_Mod, Chem_Admin

Tim Foster 2A
Posts: 73
Joined: Fri Sep 29, 2017 7:07 am

Textbook 9.67

Postby Tim Foster 2A » Tue Feb 13, 2018 1:41 pm

This problem wants us to find the range over which each reaction will be spontaneous and lists a few reactions. My calculations are all slightly off for some reason; am I correct in that to solve this problem you need to use the difference in enthalpy and entropy of the products and reactants to find the reaction's entropy and enthalpy, and then plug these values into the Delta\ G = Delta\ H - T Delta\ S equation to find T?

Chem_Mod
Posts: 18400
Joined: Thu Aug 04, 2011 1:53 pm
Has upvoted: 435 times

Re: Textbook 9.67

Postby Chem_Mod » Tue Feb 13, 2018 6:02 pm

Hi, Tim,
Yes, your solution strategy is correct. Due to a large number of calculations involved in this problem, you might have rounded up your answers too much and thus your answers are a bit off.
Don't forget that you have to make deltaG = 0 to find the cutoff temperature at which a reaction becomes spontaneous!


Return to “Gibbs Free Energy Concepts and Calculations”

Who is online

Users browsing this forum: No registered users and 2 guests