Volume and enthalpy

Moderators: Chem_Mod, Chem_Admin

Rafsan Rana 1A
Posts: 55
Joined: Sat Aug 24, 2019 12:16 am

Volume and enthalpy

Postby Rafsan Rana 1A » Sun Feb 02, 2020 10:29 pm

If the volume stayed constant, could change in enthalpy still be equal to heat added?

Tracy Tolentino_2E
Posts: 140
Joined: Sat Sep 07, 2019 12:17 am

Re: Volume and enthalpy

Postby Tracy Tolentino_2E » Sun Feb 02, 2020 10:38 pm

If the volume is constant, q (heat/enthalpy) equals the change in internal energy of the system (deltaU). Despite that, change in enthalpy equals deltaU + V(deltaP), because no work is being done on the system due to that constant volume.

Return to “Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)”

Who is online

Users browsing this forum: No registered users and 1 guest