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Trumix.com : Podcast : Education : Unknown

meaghers classes chemistry

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Language: English
Category: Education / Unknown
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These video and audio files are designed to help high school student studying chemistry.


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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....

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[ Thu, 15 Jan 2009 06:32:50 GMT ]


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....

MORE... | LISTEN | DOWNLOAD | MOBILE DEVICE

[ Thu, 15 Jan 2009 06:32:50 GMT ]


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....

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[ Tue, 11 Nov 2008 13:17:34 GMT ]


Valence Shell Electron Pair Repulsion (video) August 11th 2008
The pairs of electrons that exist in the valence shells of atoms repel each other as far as possible. This repulsion helps determine the shapes of molecules formed in covalent compounds. This chemistry video podcast shows some of these possible shapes and explains their formation. (Some of you have experienced difficulties with the audio on the previous version of this episode. I have re-recorded the soundtrack in this podcast. Let me know if this solves the problem. Richard)...

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[ Mon, 11 Aug 2008 11:35:42 GMT ]


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....

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[ Sat, 02 Aug 2008 13:29:45 GMT ]


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...

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[ Sun, 08 Jun 2008 11:07:50 GMT ]


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....

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[ Sat, 24 May 2008 23:42:33 GMT ]


ionic compounds and formulae (video) feb 9 2008
It has been a long time since my last post, holidays and theft of my laptops have conspired against me. I intend to post some episodes of fundamental chemistry principles this year to help those of you in preliminary chemistry courses, or to be used for revision for others. This video chemistry podcast looks at how ionic compounds form, and how we write formulae to represent the relative amounts of ions in ionic compounds....

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[ Sat, 09 Feb 2008 08:48:26 GMT ]


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....

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[ Wed, 19 Sep 2007 12:39:09 GMT ]


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....

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[ Wed, 19 Sep 2007 12:10:22 GMT ]


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....

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[ Wed, 19 Sep 2007 12:10:22 GMT ]


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....

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[ Sun, 15 Jul 2007 10:15:42 GMT ]


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....

MORE... | LISTEN | DOWNLOAD | MOBILE DEVICE

[ Sun, 15 Jul 2007 10:15:42 GMT ]


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....

MORE... | LISTEN | DOWNLOAD | MOBILE DEVICE

[ Sun, 15 Jul 2007 10:15:42 GMT ]


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....

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[ Tue, 05 Jun 2007 18:38:10 GMT ]


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....

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[ Tue, 05 Jun 2007 15:19:37 GMT ]


detergents (video) march 4 07
This short video chemistry podcast investigates the function of detegent molecules. It answers the questions "How can we wash greasy dishes?" and "Why is milk like 'fatty sweat'??!!"...

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[ Sun, 04 Mar 2007 13:13:37 GMT ]


detergents (video) march 4 07
This short video chemistry podcast investigates the function of detegent molecules. It answers the questions "How can we wash greasy dishes?" and "Why is milk like 'fatty sweat'??!!"...

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[ Sun, 04 Mar 2007 13:13:37 GMT ]


detergents (audio) march 4 07
This audio chemistry podcast is the soundtrack for the video podcast 'detergents (video) march 4 07'. It investigates the function of detegent molecules....

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[ Sun, 04 Mar 2007 12:57:33 GMT ]


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.)...

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[ Sun, 25 Feb 2007 05:30:52 GMT ]


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.)...

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[ Sun, 25 Feb 2007 05:30:52 GMT ]


intermolecular forces (audio) feb 25 07
This file is the audio track for the video podcast 'intermolecular forces (video) feb 25 07'. It looks at dipole-dipole interactions and dispersion (london) forces....

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[ Sun, 25 Feb 2007 05:21:24 GMT ]


molecular polarity (video) feb 18 07
This chemistry video podcast looks how electronegativity determines the type of bond that exists between two atoms, and how the symmetry of the resultant molecule will influence its overall dipole potential....

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[ Sun, 18 Feb 2007 00:10:44 GMT ]


molecular polarity (audio) feb 18 07
This is the audiotrack of the chemistry video podcast 'molecular polarity (video) feb 18 07'. It looks at the concpt of electronegativity and how it influences bond and molecular polarity....

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[ Sun, 18 Feb 2007 00:05:42 GMT ]


molecular polarity (video) feb 18 07
This chemistry video podcast looks how electronegativity determines the type of bond that exists between two atoms, and how the symmetry of the resultant molecule will influence its overall dipole potential....

MORE... | LISTEN | DOWNLOAD | MOBILE DEVICE

[ Sun, 18 Feb 2007 00:05:37 GMT ]


ionisation energy (video) feb 11 07
This chemistry video podcast looks at defining ionisation energy and explaining trends and periodicity of values for ionisation energy in the periodic table. I look at factors which influence the ease with which electrons may be removed from atoms....

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[ Sun, 11 Feb 2007 02:11:12 GMT ]


ionisation energy (video) feb 11 07
This chemistry video podcast looks at defining ionisation energy and explaining trends and periodicity of values for ionisation energy in the periodic table. I look at factors which influence the ease with which electrons may be removed from atoms....

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[ Sun, 11 Feb 2007 02:02:10 GMT ]


ionisation energy (audio) feb 11 07
This chemistry podcast is the audio track for my video podcast 'Ionisation Energy (video) feb 11 07'. It looks at defining ionisation energy and explaining trends and periodicity of values for ionisation energy in the periodic table....

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[ Sun, 11 Feb 2007 01:54:46 GMT ]


I'm Excited! (video) Feb 4 07
This podcast looks at how the modern model of the atom was developed....

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[ Sun, 04 Feb 2007 07:44:56 GMT ]


I'm Excited! (video) Feb 4 07
This podcast looks at how the modern model of the atom was developed....

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[ Sun, 04 Feb 2007 07:43:11 GMT ]

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