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Nguyen Minh Tai

on 19 February 2013

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Transcript of Oxygen

Oxygen Applications Reacts with metals (-Au, Pt) In Industries Physical properties Chemical properties Preparation Odorless, colorless, tasteless gas Dissolves little in water Condenses at -183oC In nature, oxygen is produced during photosynthesis process Reacts with nonmetals Reacts with compounds fractional distillation of liquefied air electrolyzing water In labs Heating strong oxidants How can
humans survive ? Eating Drinking Exercising ... The most important thing is ... Breathing ATMOSPHERE NITROGEN OXYGEN HYDROGEN CARBON DIOXIDE HYDRO SULFIDE Argon water vapor What does
the atmosphere contain? (discovered by Carl Wilhelm Scheele, Joseph Priestley and Antoine Lavoisier) Oxygen is a strong oxidant.
It can oxidize many
elements and compounds Oxygen's story Where is oxygen
in the Periodic Table? How many other elements are mentioned?
What elements can react with oxygen? What do we call
a compound of
oxygen and another element? at which ratio,
oxygen can make water
with hydrogen? Quizzes!!!! element number 8
(group VIA, period 2) 4 (He, Fe, Ba and H)
Oxygen can oxidize Fe, Ba and H oxide State 1 application of oxygen! 2 H atoms : 1 O atom
Fireworks or rocket fuel
Full transcript