law of mass action

E554718

The law of mass action is a fundamental principle in chemistry stating that the rate and equilibrium position of a chemical reaction depend on the concentrations of the reacting substances, each raised to a power corresponding to its stoichiometric coefficient.

All labels observed (1)

Label Occurrences
law of mass action canonical 5

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf chemical law ⓘ
principle of chemical equilibrium ⓘ
principle of chemical kinetics ⓘ
appliesIn biochemical reactions ⓘ
enzyme kinetics models ⓘ
gas-phase reactions ⓘ
solution-phase reactions ⓘ
appliesTo chemical reactions ⓘ
elementary reactions ⓘ
homogeneous reactions ⓘ
assumes constant temperature ⓘ
elementary reaction mechanism for direct use of stoichiometric exponents in rate law ⓘ
ideal behavior of reacting species ⓘ
basisFor Michaelis–Menten kinetics derivation ⓘ
equilibrium constant expressions in analytical chemistry ⓘ
mass-action kinetics in systems biology ⓘ
countryOfOrigin Norway ⓘ
dependsOn stoichiometric coefficients of the balanced reaction ⓘ
temperature via equilibrium constant K ⓘ
describes relationship between equilibrium constant and reactant and product activities ⓘ
relationship between reaction rate and reactant concentrations ⓘ
field chemical kinetics ⓘ
chemistry ⓘ
thermodynamics ⓘ
formulatedBy Cato Maximilian Guldberg ⓘ
Peter Waage ⓘ
generalizedBy statistical mechanics ⓘ
hasLimitation does not strictly apply to non-ideal solutions without activity corrections ⓘ
stoichiometric exponents equal kinetic orders only for elementary steps ⓘ
historicalPublication Guldberg and Waage's papers on chemical affinity in the 1860s ⓘ
involvesQuantity activity ⓘ
concentration ⓘ
equilibrium constant ⓘ
reaction rate ⓘ
mathematicalForm K = ∏a_product^{ν_product} / ∏a_reactant^{ν_reactant} ⓘ
rate = k ∏[reactant_i]^{ν_i} ⓘ
relatedTo Arrhenius equation ⓘ
Gibbs free energy ⓘ
Le Chatelier's principle ⓘ
chemical potential ⓘ
equilibrium thermodynamics ⓘ
states at equilibrium the ratio of product activities to reactant activities each raised to their stoichiometric coefficients is constant at a given temperature ⓘ
reaction rate is proportional to the product of reactant concentrations each raised to a power equal to its stoichiometric coefficient ⓘ
symbolizedBy K for equilibrium constant ⓘ
usedFor calculating equilibrium compositions ⓘ
deriving rate laws of elementary reactions ⓘ
predicting direction of chemical reactions ⓘ
writing equilibrium constant expressions ⓘ
yearDeveloped 1867 ⓘ
yearProposed 1864 ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Claude-Louis Berthollet → knownFor → law of mass action ⓘ
Cato Maximilian Guldberg → notableWork → law of mass action ⓘ
Cato Maximilian Guldberg → notableIdea → law of mass action ⓘ
Peter Waage → notableIdea → law of mass action ⓘ
Ostwald dilution law → relatedTo → law of mass action ⓘ