{"id":3629,"date":"2015-05-06T03:51:00","date_gmt":"2015-05-06T03:51:00","guid":{"rendered":"https:\/\/courses.candelalearning.com\/oschemtemp\/?post_type=chapter&#038;p=3629"},"modified":"2020-12-19T21:44:53","modified_gmt":"2020-12-19T21:44:53","slug":"introduction-to-electrochemistry","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/chapter\/introduction-to-electrochemistry\/","title":{"raw":"Why It Matters: Electrochemistry","rendered":"Why It Matters: Electrochemistry"},"content":{"raw":"<div class=\"textbox learning-objectives\">\r\n<h3>Outline of Electrochemistry<\/h3>\r\n<ul>\r\n \t<li>Review of Redox Chemistry<\/li>\r\n \t<li>Galvanic Cells<\/li>\r\n \t<li>Electrode and Cell Potentials<\/li>\r\n \t<li>Potential, Free Energy, and Equilibrium<\/li>\r\n \t<li>Batteries and Fuel Cells<\/li>\r\n \t<li>Corrosion<\/li>\r\n \t<li>Electrolysis<\/li>\r\n<\/ul>\r\n<\/div>\r\n\r\n[caption id=\"\" align=\"alignright\" width=\"399\"]<img class=\"\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/887\/2015\/05\/23214129\/CNX_Chem_17_00_EVCharging.jpg\" alt=\"A photograph is shown of a parked car plugged into a charging station in a paved parking area. The parking area is situated in a wooded area. People are walking in the background in the park-like atmosphere.\" width=\"399\" height=\"184\" \/> Figure 1. Electric vehicles contain batteries that can be recharged, thereby using electric energy to bring about a chemical change and vice versa. (credit: modification of work by Robert Couse-Baker)[\/caption]\r\n\r\n<div class=\"PageContent-ny9bj0-0 iapMdy\">\r\n<div id=\"main-content\" class=\"MainContent__HideOutline-sc-6yy1if-0 bdVAq\">\r\n<div id=\"7c92f9c8-534d-4d39-ac6c-cbb9798c92da\" class=\"introduction\">\r\n<div class=\"intro-body\">\r\n<div class=\"intro-text\">\r\n<p id=\"fs-idm9057728\">Another chapter in this text introduced the chemistry of reduction-oxidation (redox) reactions. This important reaction class is defined by changes in oxidation states for one or more reactant elements, and it includes a subset of reactions involving the transfer of electrons between reactant species. Around the turn of the nineteenth century, chemists began exploring ways these electrons could be transferred\u00a0<em>indirectly<\/em>\u00a0via an external circuit rather than directly via intimate contact of redox reactants. In the two centuries since, the field of\u00a0<em>electrochemistry<\/em>\u00a0has evolved to yield significant insights on the fundamental aspects of redox chemistry as well as a wealth of technologies ranging from industrial-scale metallurgical processes to robust, rechargeable batteries for electric vehicles (Figure 1). In this module, the essential concepts of electrochemistry will be addressed.<\/p>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"PrevNextBar__BarWrapper-sc-13m2i12-3 fEZPiF\"><\/div>","rendered":"<div class=\"textbox learning-objectives\">\n<h3>Outline of Electrochemistry<\/h3>\n<ul>\n<li>Review of Redox Chemistry<\/li>\n<li>Galvanic Cells<\/li>\n<li>Electrode and Cell Potentials<\/li>\n<li>Potential, Free Energy, and Equilibrium<\/li>\n<li>Batteries and Fuel Cells<\/li>\n<li>Corrosion<\/li>\n<li>Electrolysis<\/li>\n<\/ul>\n<\/div>\n<div style=\"width: 409px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images-archive-read-only\/wp-content\/uploads\/sites\/887\/2015\/05\/23214129\/CNX_Chem_17_00_EVCharging.jpg\" alt=\"A photograph is shown of a parked car plugged into a charging station in a paved parking area. The parking area is situated in a wooded area. People are walking in the background in the park-like atmosphere.\" width=\"399\" height=\"184\" \/><\/p>\n<p class=\"wp-caption-text\">Figure 1. Electric vehicles contain batteries that can be recharged, thereby using electric energy to bring about a chemical change and vice versa. (credit: modification of work by Robert Couse-Baker)<\/p>\n<\/div>\n<div class=\"PageContent-ny9bj0-0 iapMdy\">\n<div id=\"main-content\" class=\"MainContent__HideOutline-sc-6yy1if-0 bdVAq\">\n<div id=\"7c92f9c8-534d-4d39-ac6c-cbb9798c92da\" class=\"introduction\">\n<div class=\"intro-body\">\n<div class=\"intro-text\">\n<p id=\"fs-idm9057728\">Another chapter in this text introduced the chemistry of reduction-oxidation (redox) reactions. This important reaction class is defined by changes in oxidation states for one or more reactant elements, and it includes a subset of reactions involving the transfer of electrons between reactant species. Around the turn of the nineteenth century, chemists began exploring ways these electrons could be transferred\u00a0<em>indirectly<\/em>\u00a0via an external circuit rather than directly via intimate contact of redox reactants. In the two centuries since, the field of\u00a0<em>electrochemistry<\/em>\u00a0has evolved to yield significant insights on the fundamental aspects of redox chemistry as well as a wealth of technologies ranging from industrial-scale metallurgical processes to robust, rechargeable batteries for electric vehicles (Figure 1). In this module, the essential concepts of electrochemistry will be addressed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"PrevNextBar__BarWrapper-sc-13m2i12-3 fEZPiF\"><\/div>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-3629\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Chemistry 2e. <strong>Provided by<\/strong>: OpenStax. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"https:\/\/openstax.org\/\">https:\/\/openstax.org\/<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: Access for free at https:\/\/openstax.org\/books\/chemistry-2e\/pages\/1-introduction<\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":17,"menu_order":1,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Chemistry 2e\",\"author\":\"\",\"organization\":\"OpenStax\",\"url\":\"https:\/\/openstax.org\/\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"Access for free at https:\/\/openstax.org\/books\/chemistry-2e\/pages\/1-introduction\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-3629","chapter","type-chapter","status-publish","hentry"],"part":2970,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapters\/3629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/wp\/v2\/users\/17"}],"version-history":[{"count":9,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapters\/3629\/revisions"}],"predecessor-version":[{"id":7300,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapters\/3629\/revisions\/7300"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/parts\/2970"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapters\/3629\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/wp\/v2\/media?parent=3629"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/pressbooks\/v2\/chapter-type?post=3629"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/wp\/v2\/contributor?post=3629"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/chemistryformajors\/wp-json\/wp\/v2\/license?post=3629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}