## pressure notation

$PV=nRT$

Nicolette_Canlian_2L
Posts: 77
Joined: Fri Sep 28, 2018 12:25 am
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### pressure notation

what does P^o represent?

ian_haliburton_1f
Posts: 61
Joined: Fri Sep 28, 2018 12:24 am

### Re: pressure notation

It is notation for standard pressure, which is 1 bar. It is included in the equation for the equilibrium constant only as a formality to make sure all the units cancel out.

chaggard
Posts: 37
Joined: Fri Sep 28, 2018 12:19 am

### Re: pressure notation

It is considered the standard pressure; 1 bar or 0.987 atm.