How Do You Spell DANIELL CELL OR ELEMENT?

Pronunciation: [dˈaniːl sˈɛl ɔːɹ ˈɛlɪmənt] (IPA)

The Daniell cell or element is named after English chemist John Frederic Daniell who invented it in 1836. It consists of a zinc anode and a copper cathode placed in a solution of zinc sulfate and copper sulfate. The spelling of "Daniell" is pronounced /ˈdænjəl/ using the International Phonetic Alphabet. It is important to note that the last two letters of "Daniell" – "ll" – are pronounced as a single "l" sound, as opposed to "el-el." The Daniell cell revolutionized the field of electrochemistry and paved the way for other types of batteries.

DANIELL CELL OR ELEMENT Meaning and Definition

1. A Daniell cell or element refers to an electrochemical device that utilizes chemical reactions to generate electrical energy. It was first developed by John Frederic Daniell, a British chemist, in the early 19th century as an improvement to the Voltaic cell (which was invented by Alessandro Volta). The Daniell cell is primarily composed of a copper electrode immersed in a copper sulfate solution and a zinc electrode immersed in a zinc sulfate solution, with a porous separator between them.

   The functioning of a Daniell cell involves the redox (reduction-oxidation) reaction between the copper and zinc electrodes. At the copper electrode, the reduction reaction occurs, where copper ions in the copper sulfate solution gain electrons from the electrode, reducing them to solid copper. Simultaneously, at the zinc electrode, the oxidation reaction takes place, where zinc atoms lose electrons, forming zinc ions in the zinc sulfate solution. The movement of electrons from the zinc electrode to the copper electrode creates an electric current that can be utilized for numerous applications.

   The Daniell cell's design allows for the continuous flow of ions through the solution, preventing a buildup of excessive charge or polarization. This feature ensures the constant generation of electrical energy from the cell. In comparison to the Voltaic cell, the Daniell cell demonstrated improved stability and efficiency, making it widely adopted for various early electrical applications, such as telegraphy and early electrical experiments. While the Daniell cell has been largely replaced by more advanced battery technologies, its historical significance and contribution to the development of electrochemical science remain influential.

2. A galvanic cell in which a solution of copper sulphate, containing a copper plate, is separated by a porous earthen cylinder from a dilute sulphuric acid solution containing a zinc plate.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for DANIELL CELL OR ELEMENT

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