entropy at equilibrium


Moderators: Chem_Mod, Chem_Admin

SarahCoufal_1k
Posts: 102
Joined: Thu Jul 25, 2019 12:17 am

entropy at equilibrium

Postby SarahCoufal_1k » Wed Feb 12, 2020 10:48 am

Why is entropy a maximum at equilibrium. ( looking at the equation deltaS= q/T)

Isha_Maniyar_Dis2E
Posts: 110
Joined: Thu Jul 11, 2019 12:16 am

Re: entropy at equilibrium

Postby Isha_Maniyar_Dis2E » Wed Feb 12, 2020 11:08 am

Entropy is a maximum at equilibrium because deltaS(system) = -deltaS(surroundings). At equilibrium, one side will gain all the possible entropy, while the other will lose it.

Hope this helped!

Miriam Villarreal 1J
Posts: 105
Joined: Sat Aug 17, 2019 12:16 am

Re: entropy at equilibrium

Postby Miriam Villarreal 1J » Wed Feb 12, 2020 8:56 pm

In equilibrium, the entropy of the system cannot increase (because it is already at a maximum) and it cannot decrease (because that would violate the second law of thermodynamics).

Tiffany_Chen 2K
Posts: 106
Joined: Fri Aug 30, 2019 12:15 am

Re: entropy at equilibrium

Postby Tiffany_Chen 2K » Wed Feb 12, 2020 10:20 pm

At equilibrium, deltaS(total)=0. Thus, deltaS(sys) will have the opposite relationship to deltaS(surr). Any entropy change will be the only entropy change to the system (as deltaS(surr) will only reflect the exact opposite of deltaS(sys)).


Return to “Concepts & Calculations Using Second Law of Thermodynamics”

Who is online

Users browsing this forum: No registered users and 1 guest