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- Half-cell abstract "A half-cell is a structure that contains a conductive electrode and a surrounding conductive electrolyte separated by a naturally occurring Helmholtz double layer. Chemical reactions within this layer momentarily pump electric charges between the electrode and the electrolyte, resulting in a potential difference between the electrode and the electrolyte. The typical anode reaction involves a metal atom in the electrode dissolved and transported as a positive ion across the double layer, causing the electrolyte to acquire a net positive charge while the electrode acquires a net negative charge. The growing potential difference creates an intense electric field within the double layer, and the potential rises in value until the field halts the net charge-pumping reactions. This self-limiting action occurs almost instantly in an isolated half-cell; in applications two dissimilar half-cells are appropriately connected to constitute a Galvanic cell.A standard half-cell, used in electrochemistry, consists of a metal electrode in a 1 molar (1 mol/L) aqueous solution of the metal's salt, at 298 kelvin (25 °C). The electrochemical series, which consists of standard electrode potentials and is closely related to the reactivity series, was generated by measuring the difference in potential between the metal half-cell in a circuit with a standard hydrogen half-cell, connected by a salt bridge.The standard hydrogen half-cell:2H+(aq) + 2e− → H2(g)The half-cells of a Daniell cell:Original equationZn + Cu2+ → Zn2+ + CuHalf-cell (anode) of ZnZn → Zn2+ + 2e−Half-cell (cathode) of CuCu2+ + 2e− → Cu↑".
- Half-cell wikiPageID "577962".
- Half-cell wikiPageLength "2273".
- Half-cell wikiPageOutDegree "21".
- Half-cell wikiPageRevisionID "698760373".
- Half-cell wikiPageWikiLink Anode.
- Half-cell wikiPageWikiLink Aqueous_solution.
- Half-cell wikiPageWikiLink Category:Electrochemical_cells.
- Half-cell wikiPageWikiLink Category:Electrochemistry.
- Half-cell wikiPageWikiLink Cathode.
- Half-cell wikiPageWikiLink Concentration.
- Half-cell wikiPageWikiLink Daniell_cell.
- Half-cell wikiPageWikiLink Double_layer_(interfacial).
- Half-cell wikiPageWikiLink Electric_charge.
- Half-cell wikiPageWikiLink Electric_field.
- Half-cell wikiPageWikiLink Electrochemistry.
- Half-cell wikiPageWikiLink Electrode.
- Half-cell wikiPageWikiLink Electrolyte.
- Half-cell wikiPageWikiLink Galvanic_cell.
- Half-cell wikiPageWikiLink Kelvin.
- Half-cell wikiPageWikiLink Reactivity_series.
- Half-cell wikiPageWikiLink Reduction_potential.
- Half-cell wikiPageWikiLink Salt_bridge.
- Half-cell wikiPageWikiLink Standard_electrode_potential_(data_page).
- Half-cell wikiPageWikiLink Standard_hydrogen_electrode.
- Half-cell wikiPageWikiLink Voltage.
- Half-cell wikiPageWikiLinkText "Half-cell".
- Half-cell wikiPageWikiLinkText "half cell".
- Half-cell wikiPageWikiLinkText "half-cell".
- Half-cell wikiPageUsesTemplate Template:Analytical-chemistry-stub.
- Half-cell wikiPageUsesTemplate Template:Electrolysis.
- Half-cell wikiPageUsesTemplate Template:Galvanic_cells.
- Half-cell wikiPageUsesTemplate Template:Reflist.
- Half-cell subject Category:Electrochemical_cells.
- Half-cell subject Category:Electrochemistry.
- Half-cell hypernym Structure.
- Half-cell type Building.
- Half-cell type Process.
- Half-cell comment "A half-cell is a structure that contains a conductive electrode and a surrounding conductive electrolyte separated by a naturally occurring Helmholtz double layer. Chemical reactions within this layer momentarily pump electric charges between the electrode and the electrolyte, resulting in a potential difference between the electrode and the electrolyte.".
- Half-cell label "Half-cell".
- Half-cell sameAs Q903509.
- Half-cell sameAs نصف_خلية.
- Half-cell sameAs نیوەخانە.
- Half-cell sameAs Halbzelle.
- Half-cell sameAs Semicelda.
- Half-cell sameAs نیم_سلول.
- Half-cell sameAs 半電池.
- Half-cell sameAs 반쪽_전지.
- Half-cell sameAs Półogniwo.
- Half-cell sameAs m.02rx8x.
- Half-cell sameAs අර්ධ_කෝෂය.
- Half-cell sameAs Halvcell.
- Half-cell sameAs Yarı_hücre.
- Half-cell sameAs Q903509.
- Half-cell sameAs 半电池.
- Half-cell wasDerivedFrom Half-cell?oldid=698760373.
- Half-cell isPrimaryTopicOf Half-cell.