Standard Reaction Enthalpies

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Niharika 1H
Posts: 50
Joined: Thu Jul 25, 2019 12:16 am

Standard Reaction Enthalpies

Postby Niharika 1H » Sun Jan 26, 2020 10:31 pm

For standard reaction enthalpies, does it matter that reactants and products can be in different states, and do we have to differentiate between them?

Jessica Booth 2F
Posts: 101
Joined: Fri Aug 30, 2019 12:18 am

Re: Standard Reaction Enthalpies

Postby Jessica Booth 2F » Sun Jan 26, 2020 10:36 pm

It does not matter if the products and reactants are in different states. However, you do have to differentiate between the states because there can be different enthalpies of formation for different phases of the same molecule.

Eesha Sohail 1D
Posts: 100
Joined: Sat Aug 17, 2019 12:16 am

Re: Standard Reaction Enthalpies

Postby Eesha Sohail 1D » Sun Jan 26, 2020 11:03 pm

In general, are there any trends with the bond enthalpies of substances in different states?

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