The Equilibrium Constant, Kc (AQA A-Level Chemistry): Flashcards
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What is ?
What is ?
Equilibrium constant quantifying relative concentrations of products/reactants
expression structure
expression structure
Products over reactants, each raised to stoichiometric coefficients
Meaning of [X] in expression
Meaning of [X] in expression
Concentration of species X in mol dm
What do exponents in represent?
What do exponents in represent?
Stoichiometric coefficients from balanced equation
Equilibrium position when
Equilibrium position when
Lies to right; favours products
Equilibrium position when
Equilibrium position when
Lies to left; favours reactants
Define homogeneous equilibria
Define homogeneous equilibria
Reactants & products all in same phase
Define heterogeneous equilibria
Define heterogeneous equilibria
Reactants & products in different phases
Species in for heterogeneous reactions
Species in for heterogeneous reactions
Only gaseous/aqueous; solids & pure liquids omitted
When is unitless?
When is unitless?
When moles of reactants equals moles of products