welcome to week 6 in the lab.
Year 10 begin their journey to the centre of the atom
**who can spot the error?
mid term test week
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to learn and
- apply the Nernst Equation to cell concentrations
- understand that predictions based on Ecell values do not always work
- recall the idea of storage in rechargeable cells
- appreciate the convenience of solid state cells
- explain the products of molten electrolysis and their industrial importance
- recall the products of electrolysis and electroplating in aqueous solutions
- explain the effect of concentration on electrolysis products
- explain techniques for answering paper 5
text
pp289-297
act
- paper 5 example and the idea of detail required
- voltages of oxidising and reducing agents comparison p289
- halogen sequence p290
- revision of Nernst from conclusion to last weeks practical
- Feasibility studies from Ecell values p292
- cells and batteries p293
- solid state cells p293
- H O fuel cells P294
- molten and aqueous electrolytes p295-297
- paper 5 completion from last week
- discussion of the products from the practical
- preparation and electrolysis of lead II bromide using C electrodes
- displacement of halogens possibly as unknowns
- electrolysis of dilute and concentrated NaCl
lab reports on the practicals with explanations from the Ecell values in data booklet
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to learn
- the term redox
- how to calculate oxidation numbers
- to use charges on ions to balance equations
p106--113
act
- mid term test
- intro to redox p110-111
iron manganate VII titration as % Fe in Fe wool
- test corrections
- calculation from prac
catch up from week 4 week 5 and week 6: metals
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- the idea of formation of positive ions
- the idea of loss of electrons to form ions
- the idea of electron transfer in displacement reactions
- learn the term redox
text
pp 152-155
act
- check the thermal decomposition of nitrate videos
- decomposition of carbonates p152-155
- mid term test revision list
- - combination of ions to get formula + with -
- combination of ions to get formula - with +
(both these using the ions on the analysis sheet)
- identify unknown compounds examples here
- distinguishing between sulfates and sulfites - formula for oxides and the oxide ion
- competition reactions: thermit, p 154
- competition reactions aqueous, p 154-155
- diagrams for structure of alloys, p 167
- carbonate + acid section of the igcse equation test
- videos on thermit and gp I
- metal + acid p150
- metal + oxygen p151
- metal + water or steam p151
prac
- test for iron II ions, Cu II ions using NaOH and ammonia
- test for sulfate ions
- oxidation (rusting) of Fe by conversion to FeO
- thermit reaction demo
- Zn strip + copper II nitrate
- preparation and decomposition of carbonates carried over trips visit etc
hw
test corrections
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- the idea that matter cannot be created nor destroyed
- to learn the terms atom, molecule, electron, proton, neutron, compound, ion
text
pp 33 - 44
act
- mid term test
- Brownian Motion wall display
- iodide-lead discussion
- iodide and lead II explanation in terms is Mr
- revise KS3 terms soluble, insoluble, miscible, solute, solvent, concentration
- element mixture compound
- methods, rf values and video on chromatography
- intro to atomic structure
prac
- ammonia HCl diffusion
long tube may have arrived if not c&t - immiscible liquids as I2 in cyclohexane and water demo
- chromatography rf value ink + ethanol
- distillation
- make water from its elements
hw
diagrams distillation from here
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to consolidate the work ethic in learning particle theory
text
p68-79
p68-79
vocab
- philosopher
- atom
- matter
- element
- molecule
act
wed 09 oct festivo so...
- mid term test group 8-1 Tuesday 15th.
- mid term test group 8-4 Thursday 10th.
group 2 only
- diagram of flask containing air p76
- explanation beneath the diagram
- q 6.1 p78
prac
if time intro to atoms joining p80 hydrogen + oxygen
hw
revision