About: Spectator ion

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A spectator ion is an ion that exists as a reactant and a product in a chemical equation. A spectator ion can, therefore, be observed in the reaction of aqueous solutions of sodium carbonate and copper(II) sulfate but does not affect the equilibrium: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) So: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) (where x = spectator ion) ⇒ CO2−3(aq) + Cu2+(aq) → CuCO3(s)

Attributes	Values
rdf:type	chemical compound
rdfs:label	Tribune-ion (nl) Spectator ion (en)
rdfs:comment	Een tribune-ion is in de scheikunde een ion dat bij een chemische reactie aanwezig is, maar zelf niet deelneemt aan de reactie (het zit zogenaamd op de tribune als toeschouwer). Tribune-ionen worden meestal niet vermeld bij chemische reacties. Als dit wel gedaan wordt is het omdat ze bij erop volgende of eraan voorafgaande reacties wel een rol speelden, of omdat ze in belangrijke mate in oplossing aanwezig zijn. (nl) A spectator ion is an ion that exists as a reactant and a product in a chemical equation. A spectator ion can, therefore, be observed in the reaction of aqueous solutions of sodium carbonate and copper(II) sulfate but does not affect the equilibrium: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) So: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) (where x = spectator ion) ⇒ CO2−3(aq) + Cu2+(aq) → CuCO3(s) (en)
dcterms:subject	Acid–base chemistry
Wikipage page ID	3187814 (xsd:integer)
Wikipage revision ID	1013661503 (xsd:integer)
Link from a Wikipage to another Wikipage	Potential determining ion Precipitation (chemistry) Aqueous solution Debye length Copper(II) sulfate Stoichiometry Ion Product (chemistry) Acid–base chemistry Chemical equation Aqueous Sodium carbonate Catalyst Reactant Solid
sameAs	Spectator ion Spectator ion Spectator ion Spectator ion Spectator ion Spectator ion Spectator ion
dbp:wikiPageUsesTemplate	dbt:Chem-stub dbt:Chem2 dbt:Pad dbt:Unreferenced dbt:Reaction-stub
has abstract	A spectator ion is an ion that exists as a reactant and a product in a chemical equation. A spectator ion can, therefore, be observed in the reaction of aqueous solutions of sodium carbonate and copper(II) sulfate but does not affect the equilibrium: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) The Na+ and SO2−4 ions are spectator ions since they remain unchanged on both sides of the equation. They simply "watch" the other ions react, hence the name. They are present in total ionic equations to balance the charges of the ions. Whereas the Cu2+ and CO2−3 ions combine to form a precipitate of solid CuCO3. In reaction stoichiometry, spectator ions are removed from a complete ionic equation to form a net ionic equation. For the above example this yields: So: 2 Na+(aq) + CO2−3(aq) + Cu2+(aq) + SO2−4(aq) → 2 Na+(aq) + SO2−4(aq) + CuCO3(s) (where x = spectator ion) ⇒ CO2−3(aq) + Cu2+(aq) → CuCO3(s) Spectator ion concentration only affects the Debye length. In contrast, potential determining ions, whose concentrations affect surface potential (by surface chemical reactions) as well the Debye length. (en) Een tribune-ion is in de scheikunde een ion dat bij een chemische reactie aanwezig is, maar zelf niet deelneemt aan de reactie (het zit zogenaamd op de tribune als toeschouwer). Tribune-ionen worden meestal niet vermeld bij chemische reacties. Als dit wel gedaan wordt is het omdat ze bij erop volgende of eraan voorafgaande reacties wel een rol speelden, of omdat ze in belangrijke mate in oplossing aanwezig zijn. (nl)
gold:hypernym	Ion
prov:wasDerivedFrom	wikipedia-en:Spectator_ion?oldid=1013661503&ns=0
page length (characters) of wiki page	2128 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Spectator_ion
is Link from a Wikipage to another Wikipage of	Alkylation Acid dissociation constant Single displacement reaction Chemical equation Spectator ions Spectator Ions
is Wikipage redirect of	Spectator ions Spectator Ions
is foaf:primaryTopic of	wikipedia-en:Spectator_ion

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