Antione used a giant magnifying glass to focus the sun’s rays on the diamond. The diamond burned and disappeared. Lavoisier noted the overall weight of the jar was unchanged, even though all of the diamond had disappeared. The gas produced carbon dioxide and he realized that the diamond and charcoal were different forms of the same elements and named it carbon. Lavoisier after then discovered that when phosphorus or sulfur are burned in air the products are acidic. Joseph Priestley visited Paris, and he told Lavoisier about the gas produced when he decomposed the compound and he called it mercury oxide. This gas supported combustion much more powerfully than normal air. Priestley believed the gas was a pure version of air. Lavoisier named oxygen as the element released by mercury oxide. He also found that oxygen made up twenty percent of air and oxygen was needed for combustion and respiration and it was the driving force of rust on …show more content…
At the age of 26, he bought into a company which gathered tax for the French government. Lavoisier wanted to reform the tax laws to help poorer taxpayers. Lavoisier also served on the government’s gunpowder commission, improving the quality of French gunpowder. Lavoisier married Marie-Anne Pierrette Paulze, and he was 28 and she was only 13, because he married Marie-Anne so young, he acted like her father. During the French Revolution, wealthy people and anyone who had worked for the government were under threat. In 1793 the revolutionaries put an end to the French Academy of Sciences and other academic societies. Lavoisier was branded a traitor because of he was involved with taxation. He was also unpopular with revolutionaries because he had supported foreign scientists, and the the revolutionaries believed that the revolutionaries wanted to strip of their assets. Lavoisier was sentenced to death by the revolutionaries. The charges against him were stealing money from France’s Treasury and giving it to France’s enemies and selling adulterated tobacco. Antoine Lavoisier died by the guillotine at the age of 50 on May 8, 1794 in Paris. Marie-Anne’s father and 26 other people were executed on the same occasion. At the end of 1795, the French government found Lavoisier innocent of all charges. Antoine had already been executed by the guillotine and