{"id":313,"date":"2024-04-01T14:15:17","date_gmt":"2024-04-01T13:15:17","guid":{"rendered":"https:\/\/tutors4you.com\/?page_id=313"},"modified":"2024-04-01T14:15:18","modified_gmt":"2024-04-01T13:15:18","slug":"electrochemical-or-galvanic-or-voltaic-cells","status":"publish","type":"page","link":"https:\/\/tutors4you.com\/index.php\/electrochemical-or-galvanic-or-voltaic-cells\/","title":{"rendered":"Electrochemical or Galvanic or Voltaic Cells"},"content":{"rendered":"\n\n\t\t
\n\t\t\t

Electrochemical or Galvanic or Voltaic Cells<\/h1>\n\t\t\t

An Electrochemical Cell is a device used to\n convert chemical energy (produced in a redox reaction)\n into electrical energy.<\/font><\/p>\n

Electrochemical Cells are also known as\n Galvanic or Voltaic Cells.<\/font><\/p>\n

If we take a zinc rod and place it in a\n container filled with copper sulphate solution heat will\n be produced. This happens due a spontaneous redox\n reaction given below:<\/font><\/p>\n

Zn(Solid) + CuSO4<\/sub>(Aqueous) ZnSO4<\/sub>(Aqueous)\n + Cu (Solid) deposited<\/font><\/p>\n

As the reaction would proceed the zinc rod\n would get eroded ,copper particles would get deposited\n and solution would becom warm<\/font><\/p>\n

.<\/font><\/p>\n

It would be useful to be able to convert\n this chemical energy to electrical energy instead of heat\n energy. This is done by an electrochemical cell.<\/font><\/p>\n

Construction of an Electrochemical Cell<\/u><\/font><\/p>\n

Let us use the redox reaction given below to\n explain the construction of an Electrochemical Cell.<\/font><\/p>\n

Zn(Solid) + CuSO4<\/sub>(Aqueous) ZnSO4<\/sub>(Aqueous)\n + Cu (Solid)<\/font><\/p>\n

The ionic form of the reaction is:<\/font><\/p>\n

Zn + Cu2+<\/sup> Zn2+<\/sup> + Cu<\/font><\/p>\n

This reaction can be split into the\n following two half reactions.<\/font><\/p>\n

1. Oxidation half\n reaction<\/font><\/p>\n

Zn <\/font> Zn2+<\/sup> +\n 2e–<\/sup> <\/font><\/p>\n

2. Reduction half reaction<\/font><\/p>\n

Cu2+<\/sup> + 2e–<\/sup> Cu<\/font><\/p>\n

<\/p>\n

An Electrochemical Cell<\/strong><\/font><\/p>\n

The oxidation reaction in the zinc rod\n releases two electrons.These two electrons are taken by\n the Copper ion in the copper sulphate solution.<\/font><\/p>\n

If these two half reactions can be separated\n then the electrons can be made to move through a wire.<\/font><\/p>\n

In this manner we can produce electical\n energy from chemical energy.<\/font><\/p>\n

The salt bridge is a concentrated solution\n of inert electrolytes. It is required for completing the\n circuit. It allows the movement of ions from one solution\n to the other.<\/font><\/p>\n\t\t<\/div>\n\t\n","protected":false},"excerpt":{"rendered":"

Electrochemical or Galvanic or Voltaic Cells An Electrochemical Cell is a device used to convert chemical energy (produced in a redox reaction) into electrical energy. Electrochemical Cells are also known as Galvanic or Voltaic Cells. If we take a zinc rod and place it in a container filled with copper sulphate solution heat will be […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-313","page","type-page","status-publish","hentry"],"blocksy_meta":[],"yoast_head":"\nElectrochemical or Galvanic or Voltaic Cells - Tutors 4 You<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tutors4you.com\/index.php\/electrochemical-or-galvanic-or-voltaic-cells\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Electrochemical or Galvanic or Voltaic Cells - Tutors 4 You\" \/>\n<meta property=\"og:description\" content=\"Electrochemical or Galvanic or Voltaic Cells An Electrochemical Cell is a device used to convert chemical energy (produced in a redox reaction) into electrical energy. Electrochemical Cells are also known as Galvanic or Voltaic Cells. 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Electrochemical Cells are also known as Galvanic or Voltaic Cells. 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