solids and liquids

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Karina Kong 2H
Posts: 98
Joined: Thu Jul 25, 2019 12:16 am

solids and liquids

Postby Karina Kong 2H » Sun Jan 12, 2020 10:18 pm

Why aren't solids and liquids included in the equilibrium equation?

Ariana Iranmahboub1G
Posts: 114
Joined: Fri Aug 09, 2019 12:17 am

Re: solids and liquids

Postby Ariana Iranmahboub1G » Sun Jan 12, 2020 10:22 pm

Since solids and liquids cannot affect the reaction at equilibrium they are not included in the equilibrium expression.

Jiyoon_Hwang_2I
Posts: 101
Joined: Sat Sep 14, 2019 12:17 am

Re: solids and liquids

Postby Jiyoon_Hwang_2I » Sun Jan 12, 2020 10:22 pm

Solids and liquids are pure and they don't affect the reactant amount so they are omitted from the equilibrium expression. Also, the concentrations of these pure solids and liquids are calculated by dividing their density by molar mass and their density remains constant regardless of the amount of pure solid or liquid so it will not affect the equilibrium expression.

ASetlur_1G
Posts: 101
Joined: Fri Aug 09, 2019 12:17 am

Re: solids and liquids

Postby ASetlur_1G » Sun Jan 12, 2020 10:23 pm

Solids and liquids don't affect the reactant amount at equilibrium. They don't change in concentration (solids don't really even have "concentrations") so they're not included.

Ashley Nguyen 2L
Posts: 103
Joined: Sat Aug 17, 2019 12:18 am
Been upvoted: 1 time

Re: solids and liquids

Postby Ashley Nguyen 2L » Sun Jan 12, 2020 11:37 pm

Solids and liquids are not included in the K calculation because K is calculated using concentrations. Solids and liquids do not have concentrations, so they cannot affect the equilibrium.

Vivianvelazquez_1J
Posts: 109
Joined: Thu Jul 11, 2019 12:17 am
Been upvoted: 1 time

Re: solids and liquids

Postby Vivianvelazquez_1J » Sun Jan 12, 2020 11:45 pm

solids and liquids aren't included in the equilibrium equation because the molar concentration of a pure substance (liquid or solid) does not change in a reaction.


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