why is water included in the equilibrium expression for this reaction ?

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https://chemistry.stackexchange.com/questions/42008/why-is-water-not-part-of-the-equilibrium-constant

https://chemistry.stackexchange.com/questions/42008/why-is-water-not-part-of-the-equilibrium-constant
Why is water not part of the equilibrium constant?
Why is water not part of the equilibrium constant? Asked 7 years, 11 months ago Modified 2 years, 4 months ago Viewed 25k times 10 In the acid base reaction NHX4X+ +HX2O NHX3 +HX3OX+ N H X 4 X + + H X 2 O N H X 3 + H X 3 O X + the acidity constant, which is a relation between concentrations is given by

https://chem.libretexts.org/Bookshelves/General_Chemistry/Chem1_(Lower)/11:_Chemical_Equilibrium/11.04:_Equilibrium_Expressions

https://chem.libretexts.org/Bookshelves/General_Chemistry/Chem1_(Lower)/11:_Chemical_Equilibrium/11.04:_Equilibrium_Expressions
11.4: Equilibrium Expressions – Chemistry LibreTexts
13 nov. 2022Learning Objectives. Make sure you thoroughly understand the following essential ideas: The equilibrium quotient Q is the value of the equilibrium expression of a reaction for any arbitrary set of concentrations or partial pressures of the reaction components.; The equilibrium constant K is the value of Q when the at . K has a unique value for a given at a fixed …

https://chem.libretexts.org / Bookshelves / General_Chemistry / Map:_General_Chemistry_(Petrucci_et_al.) / 15:_Principles_of_Chemical_Equilibrium / 15.2:_The_Equilibrium_Constant_Expression

https://chem.libretexts.org / Bookshelves / General_Chemistry / Map:_General_Chemistry_(Petrucci_et_al.) / 15:_Principles_of_Chemical_Equilibrium / 15.2:_The_Equilibrium_Constant_Expression
15.2: The Equilibrium Constant Expression – Chemistry LibreTexts
12 juil. 2023Equilibrium constant expression for reactions involving gases using partial pressures: Kp = (PC)c(PD)d (PA)a(PB)b. Relationship between Kp and K: Kp = K(RT) Δ n. The ratio of the rate constants for the forward and reverse reactions at equilibrium is the equilibrium constant (K), a unitless quantity.

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Equilibria/Chemical_Equilibria/The_Equilibrium_Constant

https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Equilibria/Chemical_Equilibria/The_Equilibrium_Constant
The Equilibrium Constant – Chemistry LibreTexts
30 janv. 2023In a hypothetical reaction: aA ( s) + bB ( l) ⇌ gG ( aq) + hH ( aq) The equilibrium constant expression is written as follows: Kc = [G]g[H]h 1 × 1 = [G]g[H]h. In this case, since solids and liquids have a fixed value of 1, the numerical value of the expression is independent of the amounts of A and B. If the product of the a …

https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/a/water-autoionization-and-kw

https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/a/water-autoionization-and-kw
Water autoionization and Kw (article) | Khan Academy
Autoionization of water Since acids and bases react with each other, this implies that water can react with itself! While that might sound strange, it does happen − water molecules exchange protons with one another to a very small extent.

https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_A_Molecular_Approach_(Tro)/15:_Chemical_Equilibrium/15.02:_The_Equilibrium_Constant_(K)

https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_A_Molecular_Approach_(Tro)/15:_Chemical_Equilibrium/15.02:_The_Equilibrium_Constant_(K)
15.2: The Equilibrium Constant (K) – Chemistry LibreTexts
The equilibrium constant for a reaction written in reverse is the inverse of the equilibrium constant for the reaction as written originally. Writing an equation in different but chemically equivalent forms also causes both the equilibrium constant expression and the magnitude of the equilibrium constant to be different.

https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch16/equilib.php

https://chemed.chem.purdue.edu/genchem/topicreview/bp/ch16/equilib.php
Equilibrium Expressions – Division of Chemical Education, Purdue University
Equilibrium Expressions Equilibrium Constant Expressions Reactions don’t stop when they come to equilibrium. But the forward and reverse reactions are in balance at equilibrium, so there is no net change in the concentrations of the reactants or products, and the reaction appears to stop on the macroscopic scale.

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:equilibrium/x2eef969c74e0d802:reaction-quotient-and-equilibrium-constant/v/writing-equilibrium-constant-and-reaction-quotient-expressions

https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:equilibrium/x2eef969c74e0d802:reaction-quotient-and-equilibrium-constant/v/writing-equilibrium-constant-and-reaction-quotient-expressions
Writing equilibrium constant and reaction quotient expressions
The equilibrium constant, K, describes the relative amounts of reaction species at equilibrium.The expression for K is equal to the concentrations (or partial pressures) of the products raised to their stoichiometric coefficients divided by the concentrations (or partial pressures) of the reactants raised to their stoichiometric coefficients. The quotient, Q, has the same form as K …

https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_Chemistry_-_The_Central_Science_(Brown_et_al.)/16:_AcidBase_Equilibria/16.03:_The_Autoionization_of_Water

https://chem.libretexts.org/Bookshelves/General_Chemistry/Map:_Chemistry_-_The_Central_Science_(Brown_et_al.)/16:_AcidBase_Equilibria/16.03:_The_Autoionization_of_Water
16.3: The Autoionization of Water – Chemistry LibreTexts
7 juil. 2023Water is thus termed amphiprotic, meaning that it can behave as either an acid or a base, depending on the nature of the other reactant. Notice that Equation (ref{16.3.2}) is an equilibrium reaction as indicated by the double arrow and hence has an equilibrium constant associated with it.

https://www.khanacademy.org/science/chemistry/chemical-equilibrium/equilibrium-constant/a/the-equilibrium-constant-k

https://www.khanacademy.org/science/chemistry/chemical-equilibrium/equilibrium-constant/a/the-equilibrium-constant-k
The equilibrium constant K (article) | Khan Academy
Equilibrium is when the rate of the forward reaction equals the rate of the reverse reaction. All reactant and product concentrations are constant at equilibrium. Given a reaction aA + bB ⇌ cC + dD , the equilibrium constant K c , also called K or K eq , is defined as follows: K c = [ C] c [D] d [ A] a [ B] b lesoutrali bot