H2O

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Adrienne_4F
Posts: 64
Joined: Fri Sep 28, 2018 12:27 am

H2O

Postby Adrienne_4F » Thu Jan 10, 2019 1:06 pm

If water is in gas form, will it be included in the equilibrium equation?
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David Effio 1H
Posts: 38
Joined: Wed Feb 14, 2018 3:01 am

Re: H2O

Postby David Effio 1H » Thu Jan 10, 2019 1:12 pm

Yes, any molecule in gas or aqueous form should be included in the equilibrium constant.
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Marina Gollas 1A
Posts: 36
Joined: Fri Sep 28, 2018 12:20 am

Re: H2O

Postby Marina Gollas 1A » Thu Jan 10, 2019 1:18 pm

Hello,
Yes water will still be included, since only pure solids and pure liquids are excluded from the equation. Therefore, because the physical state of H2O is in a gaseous state, it should not be ignored and should be included. :)
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RachelCheung1A
Posts: 30
Joined: Fri Sep 28, 2018 12:19 am

Re: H2O

Postby RachelCheung1A » Thu Jan 10, 2019 4:29 pm

Yes, water in gas form in included, however water in liquid form is not.
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Aurbal Popal
Posts: 63
Joined: Fri Sep 28, 2018 12:27 am

Re: H2O

Postby Aurbal Popal » Thu Jan 10, 2019 4:32 pm

Wait do we just ignore water as a liquid if we are doing partial pressures (Kp) or does this apply when we do Kc as well?
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Nicolette_Canlian_2L
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Re: H2O

Postby Nicolette_Canlian_2L » Thu Jan 10, 2019 4:38 pm

Aurbal Popal wrote:Wait do we just ignore water as a liquid if we are doing partial pressures (Kp) or does this apply when we do Kc as well?

I believe so, since we only include gases and aqueous solutions in K expressions.
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