chemistry - meaghersclasses

By Richard Meagher

What's chemistry - meaghersclasses about?

These chemistry video podcasts are high school chemistry snippets, from Mt Lawley Senior High School. Check out my YouTube channel https://www.youtube.com/channel/UCDK3TYmYcgTfjrkQ_t_2tCQ

To help make these resources more useful your feedback would be appreciated.

You may also want to check out my physics video podcasts at www.meaghersphysics.podomatic.com.

Thanks,

Richard.

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chemistry - meaghersclasses episodes:

10.21.2016
Equilibrium Graphs
We look at graphs of concentration vs time and rate vs time for the Haber process. Consideration of the value of the equilibrium constant as changes are made to the system at equilibrium are included.
10.20.2016
Equilibrium Constant Values
In this episode we consider some values of an equilibrium, and show that even if the raw ratio of reactants to products is reversed when a chemical equilibrium is reestablished the value of the equilibrium constant remains unchanged, so long...
01.03.2011
Equilibrium
This chemistry video podcast looks at the concept of equilibrium as it applies to chemical systems. (It is an old,ie 2006, episode that I inadvertently deleted when trying to get rid of spam comments!) I really must publish more up...
01.15.2009
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...
11.11.2008
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...
08.11.2008
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...
08.02.2008
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...
06.08.2008
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...
05.25.2008
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...
02.09.2008
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...
09.19.2007
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.
09.19.2007
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.
06.05.2007
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.
03.04.2007
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'??!!"
03.04.2007
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.
02.25.2007
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.)
02.25.2007
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.
02.18.2007
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.
02.17.2007
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.
02.11.2007
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.
02.11.2007
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.
02.04.2007
I'm Excited! (video) Feb 4 07
This podcast looks at how the modern model of the atom was developed.
01.27.2007
valence shell electron pair repulsion (video) jan 27 07
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 podcast shows some of these possible shapes and...
01.27.2007
valence shell electron pair repulsion (audio) jan 27 07
Hi, this audio file is a copy of the soundtrack from the podcast 'valence shell electron pair repulsion (video) jan 27 07'. I hope that these audio files prove useful. Please let me know, one way or another.
01.23.2007
the first 20 elements (audio file) (jan 23 07)
Hi, this audio file is a copy of the soundtrack for the previous podcast (ie the first 20 elements (video file) (jan 23 07)). I hope that these audio files prove useful. Please let me know, one way or another.
01.23.2007
the first 20 elements (video file) (jan 23 07)
Hi, and welcome back to this year's chemistry podcasts. We'll start the year simply with an acronym to help you remember the first twenty elements in order. I will try to post a separate audio file (ie the sound track...
11.14.2006
pH and Kw
In this podcast I look at how pH is determined, what it means, some examples, and some important equilibria.
11.06.2006
hydrogen bonds
I won't be able to put up another episode for a couple of weeks as all my spare time will be taken up marking TEE papers! This podcast looks at hydrogen bonds, how they form, what effects they have and...
11.04.2006
a few hindenburg facts
This podcast follows up the previous one on hydrogen fuel cells. In it I mentioned the Hindenburg airship, but have been contacted by a few people who didn't know about it. I've put together a few facts, pics and video...
10.24.2006
hydrogen fuel cells
Hydrogen fuel cells offer a possible solution to mankind's future energy needs. This video podcast gives a brief introduction. These cells like all electrochemical cells are essentially reliant on a redox reaction ie exchange of electrons. In Western Australia, along...
10.22.2006
collision theory
When is a fatal car accident 'successful'? When used to explain reaction rates and collision theory. This may be a bit ghoulish, but comparing car collisions to particle collisions seems to work.
10.17.2006
Overall redox equations
How do you write and balance redox equations? An earlier podcast explained how to write and balance half equations. This podcasts shows how to combine two half equations and arrive at a balanced overall redox equation.
10.14.2006
balancing redox half equations
Redox equation balancing need not fill you with fear. Blindly following these rules and you will be able to write a balanced half equation.
10.13.2006
Chemistry exam techniques
Its exam time. I've just finished marking some chemistry exams, and thought that it might be a good time to post some strategies to use to answer typical questions. ie How can you write an equation for, and determine what...
10.12.2006
chemistry calculations
High school chemistry calculations are often dressed up to appear to be more difficult than they really are. They just about always follow the same format. However I've just finished marking some chemistry exams and felt compelled to post this...
10.09.2006
alkali metals
I've been busy lately, and haven't had time to generate anything new myself. I forget where I got this video from, but it is a beauty. Makes you remember why you first got interested in chemistry ......... explosions! (This file...
09.27.2006
IUPAC naming of hydrocarbons I
The first in a series of casts explaining the method used to name simple hydrocarbons.
09.18.2006
acid base karaoke
Some of my class were singing 'Gimme Gimme a Redox Titration' today - it inspired me to post this acid/base version (to Bohemian Rhapsody).
09.11.2006
organic introduction
Its been a while since I last posted .... been very busy. Have just tried new software for this post; a very brief introduction to hydrocarbons and organic chemistry. Hopefully more will follow.
07.25.2006
karaoke redox titration
You asked for it!! Here is the 'Gimme Gimme' redox titration karaoke. Let me know if you like these type of files..... I've got plenty of them!!!!!!!
07.02.2006
oxidation numbers
Follow these simple rules and you will always be able to determine the oxidation state of an element.
06.11.2006
redox review
A very brief recap of year 11 redox terminology and definitions. (vodcast)
06.01.2006
what's happening here?
The other day in class Elle was using her lip gloss. Here is a video of what we saw. What is going on? (vodcast)
05.28.2006
covalent compounds
Some introductory notes about naming covalent compounds. (Audio is from The Grates 'Science is Golden' -'Gravity Won't Get You High') (vodcast)
05.27.2006
a definition of chemical equilibrium
Equilibrium is a dynamic process, much like a game of footy. (audio)
05.27.2006
calculations in acid/base titrations
OK so now you've performed a titration how can you make use of the data that you have collected? (audio)
05.27.2006
indicators in acid/base titrations
How do we select an appropriate indicator for use in a variety of acid/base titrations? (audio)
05.27.2006
primary standards in acid/base titrations
How do we select a chemical for use as a primary standard? And what is a primary standard anyway? (audio)
05.27.2006
electronegativity & polarity
This audio discusses the cause of polar bonds and polar molecules. (audio)
05.27.2006
covalent bonds II
The second of two short podcsts on covalent bonding. This one looks at the intermolecular forces in covalent solids, ie Van der Waal forces. (audio)

What's chemistry - meaghersclasses about?

Download our free app to listen on your phone

chemistry - meaghersclasses episodes:

Equilibrium Graphs

Equilibrium Constant Values

Equilibrium

Mindocular and the opposing forces (video) jan 15th 2009

reactivity of alcohols (video) nov 11th 2008

Valence Shell Electron Pair Repulsion (video) August 11th 2008

preparation and properties of gases - oxygen (video) august 2nd 2008

reactions of hydroxide and ammonia solutions with salts of metals - (video) june 9 2008

preparation and properties of gases - carbon dioxide (video) may 23 2008

ionic compounds and formulae (video) feb 9 2008

electrochemical cells (video) sept 19 07

electrochemical cells (audio) sept 19 07

ionic equations (video) june 5 07

detergents (video) march 4 07

detergents (audio) march 4 07

intermolecular forces (video) feb 25 07

intermolecular forces (audio) feb 25 07

molecular polarity (video) feb 18 07

molecular polarity (audio) feb 18 07

ionisation energy (video) feb 11 07

ionisation energy (audio) feb 11 07

I'm Excited! (video) Feb 4 07

valence shell electron pair repulsion (video) jan 27 07

valence shell electron pair repulsion (audio) jan 27 07

the first 20 elements (audio file) (jan 23 07)

the first 20 elements (video file) (jan 23 07)

pH and Kw

hydrogen bonds

a few hindenburg facts

hydrogen fuel cells

collision theory

Overall redox equations

balancing redox half equations

Chemistry exam techniques

chemistry calculations

alkali metals

IUPAC naming of hydrocarbons I

acid base karaoke

organic introduction

karaoke redox titration

oxidation numbers

redox review

what's happening here?

covalent compounds

a definition of chemical equilibrium

calculations in acid/base titrations

indicators in acid/base titrations

primary standards in acid/base titrations

electronegativity & polarity

covalent bonds II