Hydrogen

Hydrogen - A boy forgets to label contents of 2 tubes, but...

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Hydro g e n Mate ria l: - Pro duc tio n o f hydro g e n   pro pe rtie s  o f hydro g e n Why is  hydro g e n uniq ue Te s t fo r hydro g e n Us e s  o f hydro g e n
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Production of hydrogen As the reaction between a metal and acid produces hydrogen , we can place this reaction in a flask that is connected to a delivery tube, that will allow hydrogen to pass through it ending up in a water trough, hydrogen will try to escape by bubbling up into the glass jar
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Properties of hydrogen Colorless: - can’t be see Odorless: - has no small Tasteless: - doesn’t have a taste Gas: - found in gas state, not liquid, or solid Lightest gas: - least density, lighter then air Explosive: - H2 + O2 H2O + energy
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Why is hydrogen unique? Hydrogen is knows as a very unique element as: - 1)It is a non-metal in group(I) - Usually elements in group(I) are metals 2) It tends to form more than one ion - H1+ is non as a proton (stable) - H1- is known as a hydride (unstable)
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Test for hydrogen
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Unformatted text preview: A boy forgets to label contents of 2 tubes, but he remembers that one of them has hydrogen, and the other has carbon dioxide He asks his teacher, how do I test for hydrogen?, and the teacher answers him Test: - expose the gas to a lighted splint (in the presence of oxygen) Result: - itll explode with a squeaky pop sound The equation for the rxn is as follows: - H2 + O2 H2O + energy The problem is that their both 1)Odorless 2)Colorless 3)Tasteless 4)Gas Uses of hydrogen Hydrogen is a very useful gas 1)It is used as a fuel 2)It makes ammonia, NH4 (a soil fertilizer)- 3 H2 + N2 2NH4 3) It is used to make plastic (PV) 4) It also turns liquid vegetable oils into margarine This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com Is home to well over a thousand powerpoints submitted by teachers. This a free site. Please visit and I hope it will help in your teaching...
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Hydrogen - A boy forgets to label contents of 2 tubes, but...

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