Constant Pressue

isochoric/isometric:
isothermal:
isobaric:

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taywebb
Posts: 60
Joined: Fri Sep 28, 2018 12:15 am

Constant Pressue

Postby taywebb » Sun Feb 10, 2019 4:42 pm

If the problem does not note a pressure change can we assume that no change in pressure was made?

Rami_Z_AbuQubo_2K
Posts: 89
Joined: Thu Jun 07, 2018 3:00 am

Re: Constant Pressue

Postby Rami_Z_AbuQubo_2K » Sun Feb 10, 2019 4:44 pm

Most of the time it will given an indicator that pressure has not changed, but in the case that it doesn't, I think it is safe to assume that there is not pressure change. With that being said, just read the problem carefully.

Iona Pay
Posts: 43
Joined: Fri Sep 28, 2018 12:15 am

Re: Constant Pressure

Postby Iona Pay » Sun Feb 10, 2019 4:44 pm

Yes, that's usually fine. Another indicator that pressure might be constant is if the problem mentions "standard conditions" - this implies a constant temperature of 273K and a constant pressure of 1 atm.

Dong Hyun Lee 4E
Posts: 68
Joined: Fri Sep 28, 2018 12:23 am

Re: Constant Pressue

Postby Dong Hyun Lee 4E » Sun Feb 10, 2019 8:33 pm

Yes if there is no mention of a pressure change, it is usually safe the assume that the pressure is being kept constant.


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