MAKE A MEME
View Large Image
| View Original: | Lavoisier_decomposition_air.png (387x261) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Lavoisier decomposition air.png Hand sketch engraving made by madamme Lavoisier in the 18th century featured in Traité élémentaire de chimie retrieved from http //mattson creighton edu/History_Gas_Chemistry/Lavoisier html Lavoisier performed his classic twelve-day experiment in 1779 which has become famous in history First Lavoisier heated pure mercury in a swan-necked retort over a charcoal furnace for twelve days A red oxide of mercury was formed on the surface of the mercury in the retort When no more red powder was formed Lavoisier noticed that about one-fifth of the air had been used up and that the remaining gas did not support life or burning Lavoisier called this latter gas azote Greek 'a' and ' zoe' without life He removed the red oxide of mercury carefully and heated it in a similar retort He obtained exactly the same volume of gas as disappeared in the last experiment He found that the gas caused flames to burn brilliantly and small animals were active in it as Joseph Priestley had noticed in his experiment Finally on mixing the two types of gas i e the gas left in the first experiment and that given out in the second experiment he got a mixture similar to air in all respects In his experiments Lavoisier analysed air into two constituents the one which supports life and combustion and is one-fifth by volume of air he called oxygen Greek oxus acid gen beget the other four-fifths which does not he called azote This latter gas is now called nitrogen From the two gases he synthesised something that has the characteristics of air Hidrogenexp2 gif 2008-10-28 13 13 UTC derivative work Cdang <span class signature-talk >talk</span> Hidrogenexp2 gif Mme Lavoisier uploaded by User HappyApple -> black white -> png Cdang Hidrogenexp2 gif PD-old original upload log This image is a derivative work of the following images Image Hidrogenexp2 gif licensed with PD-old 2008-03-16T08 58 22Z HappyApple 387x261 21775 Bytes <nowiki> Hand sketch engraving made by madamme Lavoisier in the 18th century featured in Traité élémentaire de chimie retrieved from http //mattson creighton edu/History_Gas_Chemistry/Lavoisier html</nowiki> 2007-04-13T03 08 01Z Moez 169x120 10701 Bytes <nowiki> Summary Apparatus from Lavoisier's hand sketch design made by Meusnier in 1783 Courtesy of Manuel Pulido Bosch and Francisco Romero Hinojosa Source http //en wikipedia org/wiki/Image Hidrogenexp2 gif Licens</nowiki> Uploaded with derivativeFX Traité élémentaire de chimie Retort | ||||
