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Page 1 More Results (58)

	preparation and properties of gases - carbon dioxide (video) may 23 2008
	This chemistry video podcast demonstrates the laboratory production of carbon dioxide gas, using thistle funnel, conical flask, gas jar and hydrochloric acid on calcium carbonate, its collection via the upward displacement of air and the subsequent testing that can be performed to illustrate carbon dioxide's properties of density and acidity, as well as the limewater test.
	http://meaghersclasses.podOmatic.com/entry/2008-05-24T17_11_17-07_00

	reactions of hydroxide and ammonia solutions with salts of metals - (video) june 9 2008
	This chemistry video podcast looks at the reactions of basic solutions (ie ammonia solution and hydroxide solutions) with solutions of metal salts (ie Mg, Al, FeII, FeIII, Cu, Zn, Ag, and Cr). As well as displaying the appearance of the resulting products, the chemical equations representing the reactions are shown. Demonstrated are the production of the complex ions aluminate, zincate and chromate from addition of excess hydroxide to solutions of the amphoteric metal salts of Al, Zn and Cr. The complex ...
	http://meaghersclasses.podOmatic.com/entry/2008-06-08T04_26_17-07_00

	preparation and properties of gases - oxygen (video) august 2nd 2008
	This chemistry video podcast demonstrates the laboratory production of oxygen gas, using thistle funnel, conical flask, gas jar, pneumatic trough, behive shelf and hydrogen peroxide decomposition (catalysed by manganese dioxide), its collection via the downward displacement of water and the subsequent testing that can be performed by reignition of a glowing wick.
	http://meaghersclasses.podOmatic.com/entry/2008-08-02T06_54_48-07_00

	reactivity of alcohols (video) nov 11th 2008
	This chemistry video podcast investigates the reactions of ethanol, 1-butanol (ie butan-1-ol), 2-butanol (ie butan-2-ol) and methyl-2-propanol (ie methylpropan-2-ol) with potassium dichromate, potassium permanganate and sodium metal. We see that tertiary alcohols are less reactive than secondary alcohols, which are less reactive than primary alcohols.
	http://meaghersclasses.podOmatic.com/entry/2008-11-11T05_50_40-08_00

	Mindocular and the opposing forces (video) jan 15th 2009
	This chemistry video podcast looks at electrostatic forces and how they are responsible for holding solids together. All four fundamental forces (ie strong, weak, gravitational and electrostatic) are considered. "Mindocular' is a fictional character who has a 'minds eye' with excellent magnification and resolution and can 'see' individual particles in matter, and determine their behaviour. He looks at metallic, ionic and covalent solids.
	http://meaghersclasses.podOmatic.com/entry/2009-01-14T22_42_25-08_00

	electrochemical cells (video) sept 19 07
	This video chemistry podcasts looks at some aspects of electrochemistry as displayed in standard, simple high school chemistry experiments. The episode investigates standard reduction potentials, the concept of metal displacement, and electrochemical cells.
	http://meaghersclasses.podOmatic.com/entry/2007-09-19T05_39_09-07_00

	electrochemical cells (audio) sept 19 07
	This enhanced chemistry podcasts looks at some aspects of electrochemistry as displayed in standard, simple high school chemistry experiments. The episode investigates standard reduction potentials, the concept of metal displacement, and electrochemical cells.
	http://meaghersclasses.podOmatic.com/entry/2007-09-19T05_10_22-07_00

	redox titration (video) july 14 2007
	This video podcast looks at the procedure employed to standardise a potassium permanganate solution by titrating it against a standard solution of oxalic acid. It considers differences between this titration and a typical acid/base titration.
	http://meaghersclasses.podOmatic.com/entry/2007-07-15T03_15_42-07_00

	ionic equations (video) june 5 07
	A simple concept that causes difficulties for students. ie using ionic equations to represent chemical reactions. This chemistry video podcast explains why spectator ions should not be included in a chemical equation.
	http://meaghersclasses.podOmatic.com/entry/2007-06-05T08_19_37-07_00

	intermolecular forces (video) feb 25 07
	This chemistry video podcast looks at the intermolecular forces; dipole-dipole interactions and dispersion forces; that occur between covalent molecules. (There is another episode posted last year that looks at hydrogen bonding.)
	http://meaghersclasses.podOmatic.com/entry/2007-02-24T21_30_52-08_00

Page 1 More Results (58)

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