cosmicnet
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#1
Report Thread starter 4 years ago
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Hey,

So we aren't allowed to talk about the ISA or EMPA assessments themselves, but we are allowed to talk about the different practicals and investigations our teachers have been getting us to do in preparation.

I'm particularly interested in this as this year I decided to self study, so I haven't been in a classroom and done any chemistry practicals at all :s

Please share your experiences, and tips your teachers have given you, and point me to any good online resources you may have used.

Thanks
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cosmicnet
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Report Thread starter 4 years ago
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This seems to be generating PMs for me, but not much else...

Surely you've all been doing practicals in class this year (and last)? What were they?
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cosmicnet
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Here is what I've been able to gather off YouTube. The specification on these Unit's is flaky to say the least, and the book support practically non existent

Unit 3

Inorganic Chemistry
Make up a volumetirc solution -The proparation of a standard solution of sodium carbonate
https://www.youtube.com/watch?v=jbQAX5Mitwk

Carry out a simple acid-base titration - Determine the concentration of unknown hydrocholoric acid by titration
https://www.youtube.com/watch?v=8UiuE7Xx5l8

Carry out some inorganic tests - Tests for anions
https://www.youtube.com/watch?v=xJFG8tozVzwhttps://www.youtube.com/watch?v=Y94nfrPJ_5w

Physical Chemistry
Measure an enthalpy change - Use Hess's law to find an unknown enthalpy change, such as the reaction of anhydrous copper(II) sulfate with water to produce hydrated crystals
https://www.youtube.com/watch?v=mCMPrnKzJIs
https://www.youtube.com/watch?v=eX3JiKmenuU
https://www.youtube.com/watch?v=YZ-REyiMDS0

Determine the Mr of a volatile liquid or Mr of a gas - Determine the Mr of hexane or the Mr of carbon dioxide
https://www.youtube.com/watch?v=WJDLm7tkU84
https://www.youtube.com/watch?v=X7tIdNiVAKs

Investigate how the rate of a reaction changes with temperature - Investigate the rate of a reaction of sodium thiosulfate with acid at different temperatures
https://www.youtube.com/watch?v=lv4zXsrRDNU
https://www.youtube.com/watch?v=k7plomy57L0

Organic Chemistry
Distil a product from a reaction - The preparation of ethanal from the oxidation of ethanol or the preparation of cyclohexene from the dehydration of cyclohexanol
https://www.youtube.com/watch?v=i7Ai5JdPYaY
https://www.youtube.com/watch?v=zgqTsWpab_g
https://www.youtube.com/watch?v=1mDVFH5znfA

Carry out some organic tests Tests for alkene, alcohol, acid, aldehyde https://www.youtube.com/watch?v=vBMGNzRYngk
https://www.youtube.com/watch?v=_AyqP5fLxnQ
https://www.youtube.com/watch?v=CMCVpE8p8yo
https://www.youtube.com/watch?v=WmwTRbQLIVo

Investigate the combustion of alcohols - Use a calorimetric method to measure the enthalpies of combustion in an homologous series of alcohols
https://www.youtube.com/watch?v=m1sW1zEwUIY
https://www.youtube.com/watch?v=9GP6RSeSlaE
https://www.youtube.com/watch?v=m1sW1zEwUIY
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