Delta G at Boiling Point
Moderators: Chem_Mod, Chem_Admin
-
- Posts: 64
- Joined: Fri Sep 29, 2017 7:04 am
-
- Posts: 55
- Joined: Sat Jul 22, 2017 3:01 am
Re: Delta G at Boiling Point
At boiling point, the change in temperature is zero so change in enthalpy is also zero (infer that pressure is constant so W=0). Since change in enthalpy is zero, we also want change in entropy to be zero. This happens when W=0.
-
- Posts: 53
- Joined: Fri Sep 29, 2017 7:04 am
- Been upvoted: 1 time
Re: Delta G at Boiling Point
At boiling point, temperature and pressure are constant. Therefore, the change in enthalpy would be zero.
-
- Posts: 55
- Joined: Thu Jul 13, 2017 3:00 am
Re: Delta G at Boiling Point
If you remember the graph of phase transitions, as a phase transition is about to occur, energy is still supplied to the system but temperature doesn't change immediately. Thus, at the point of a phase transition, such as the boiling point, there is no change in temperature. As delta G is a factor of change in temperature, delta G = 0 at the boiling point.
Return to “Gibbs Free Energy Concepts and Calculations”
Who is online
Users browsing this forum: No registered users and 1 guest