Which gases are in air? By Adam Parkinson.

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Presentation transcript:

Which gases are in air? By Adam Parkinson

Nitrogen N 78.08% Which Gases are in Air? Discovery: Daniel Rutherford (1772) Named by: Jean-Antoine Chaptal (1790)

Oxygen O 20.95% Which Gases are in Air? Discovery: Carl Wilhelm Scheele (1772) Named by: Antoine Lavoisier (1777)

Argon 0.93% AR Which Gases are in Air? Discovery: Lord Rayleigh and William Ramsay (1894) First isolation: Lord Rayleigh and William Ramsay (1894)

0.033% Carbon Dioxide CO2 Which Gases are in Air? We Breathe out Carbon Dioxide. As part of the carbon cycle, plants, algae, and cyanobacteria use light energy to photosynthesize carbohydrate from carbon dioxide and water, with oxygen produced as a waste product.

Neon Ne 0.0018% Which Gases are in Air? Prediction: William Ramsay (1897) Discovery: William Ramsay & Morris Travers (1898) First isolation: William Ramsay & Morris Travers (1898)

Helium He 0.00052% Which Gases are in Air? Discovery Pierre Janssen, Norman Lockyer (1868) First isolation William Ramsay, Per Teodor Cleve, Abraham Langlet (1895)

Methane CH4 0.0002% Which Gases are in Air? Methane is not toxic; however, it is extremely flammable and may form explosive mixtures with air. Methane gas explosions are responsible for many deadly mining disasters methane gas explosion was the cause of the Upper Big Branch coal mine disaster in West Virginia on April 5, 2010, killing 25.

Krypton Kr 0.00011% Which Gases are in Air? Discovery: William Ramsay and Morris Travers (1898) First isolation: William Ramsay and Morris Travers (1898)

N2O Nitrogen Oxide 0.00005% Which Gases are in Air? Nitrogen oxide can refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds: Nitric oxide, also known as nitrogen monoxide, (NO), nitrogen(II) oxide Nitrogen dioxide (NO2), nitrogen(IV) oxide Nitrous oxide (N2O), nitrogen(-I,III) oxide Nitrosylazide (N4O), nitrogen(-I,0,I,II) oxide Nitrate radical (NO3), nitrogen(VI) oxide

Hydrogen H2 0.00005% Which Gases are in Air? Discovery: Henry Cavendish (1766) Named by: Antoine Lavoisier (1783)

Xenon Xe 0.0000087% Which Gases are in Air? Discovery: William Ramsay and Morris Travers (1898) First isolation: William Ramsay and Morris Travers (1898)

Ozone O3 0.000001% Which Gases are in Air? Ozone was proposed as a new substance in air in 1840, and named, even before its chemical nature was known, after the Greek verb ozein (ὄζειν, "to smell"), from the peculiar odor after lightning storms. Ozone's odor is sharp, reminiscent of chlorine, and detectable by many people at concentrations of as little as 10 parts per billion in air.

What is the most poisonous gas in the world?

What is the most poisonous gas in the world? Sarin http://en.wikipedia.org/wiki/Sarin_gas_attack_on_the_Tokyo_subway