The Chemical History of a Candle
was the title of a series of six lectures on the chemistry
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds....
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...
A flame is the visible , gaseous part of a fire. It is caused by a highly exothermic reaction taking place in a thin zone...
s given by Michael Faraday
Michael Faraday, FRS was an English chemist and physicist who contributed to the fields of electromagnetism and electrochemistry....
at the Royal Institution
The Royal Institution of Great Britain is an organization devoted to scientific education and research, based in London.-Overview:...
. This was the origin of the Christmas
Christmas or Christmas Day is an annual holiday generally celebrated on December 25 by billions of people around the world. It is a Christian feast that commemorates the birth of Jesus Christ, liturgically closing the Advent season and initiating the season of Christmastide, which lasts twelve days...
lectures for young people
The Royal Institution Christmas Lectures are a series of lectures on a single topic, which have been held at the Royal Institution in London each year since 1825. The lectures present scientific subjects to a general audience, including young people, in an informative and entertaining manner....
that are still given there every year and bear his name.
The lecture described the different zones of combustion in the candle
A candle is a solid block or cylinder of wax with an embedded wick, which is lit to provide light, and sometimes heat.Today, most candles are made from paraffin. Candles can also be made from beeswax, soy, other plant waxes, and tallow...
flame, and the presence of carbon
Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds...
particles in the luminescent zone.
The lectures were first printed as a book in 1861.
Contents of the Six Lectures
A Candle: The Flame - Its Sources - Structure - Mobility - Brightness
Brightness of the Flame - Air necessary for Combustion - Production of Water
Products: Water from the Combustion - Nature of Water - A Compound - Hydrogen
Hydrogen in the Candle - Burns into Water - The Other Part of Water - Oxygen
Oxygen present in the Air - Nature of the Atmosphere - Its Properties - Other Produts from the Candle - Carbonic Acid - Its Properties
Carbon or Charcoal - Coal Gas Respiration and its Analogy to the Burning of a Candle - Conclusion