plans

welcome to
Elian's Chemistry

2019-2020

week 6 07 oct

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
13
obj
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

prac

• preparation and electrolysis of lead II bromide using C electrodes
• displacement of halogens possibly as unknowns
• electrolysis of dilute and concentrated NaCl

hw
lab reports on the practicals with explanations from the Ecell values in data booklet

12
obj
to learn

• the term redox
• how to calculate oxidation numbers
• to use charges on ions to balance equations

text
p106--113

act

• mid term test
• intro to redox p110-111

prac
iron manganate VII titration as % Fe in Fe wool

hw

• test corrections
• calculation from prac

11
catch up from week 4 week 5 and week 6: metals
obj

• 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

10

obj

• 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

8

obj

to consolidate the work ethic in learning particle theory

text
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

week 5 30 sep

welcome to week 5

take cover: Y13 mix chemistry with electricity

this week, Y12 shall perfect their titration technique






13
practical week
obj
cie practical 7 electrochemical cells and the Nernst equation, to:

• estimate the emf of the cells Cu-Zn.Mg
• plan the practical
• analyse the results
• evaluate
• conclude
• learn and use Nernst for dilution
• learn the limitations of cells when making predictions

text

• cie prac 7 
• pp 278-284

act

• standard hydrogen electrode p279
• measuring half cell electrode potentials p283
• diagram reviews pp279-284
• joint collaboration ¡que dios nos guarde muchos años!
• discussion on findings to include all the errors
• suggestions for improvement
• have a look at a paper 5

prac

• your electrode as standard Mg-Zn Mg-Cu Zn-Cu
• effect of dilution

hw

past paper and revise for mid term test

12
obj
to understand how

• to determine the enthalpy of hydration
• bond energy relates to enthalpy
• to use bond energies to calculate enthalpy change

text
pp97-102
act

• anhydrous salt p99
• bond energies p99
• reaction pathways p100
• calculations p101
• q12 p100

prac

• enthalpy of solution of CuSO4
• enthalpy of solution of NH4Cl

hw
summary p102

11
obj

• the idea of ease of extraction of a metal from its ore
• position in reactivity series
• displacement reactions
• the idea of steel as an alloy of Fe and C
• learn the gcse way to write equations
• methods for rust prevention

text
p135
act

• formulae of the week. this week, Fe III and Zn
•  
• revise acid reactions for the acid + metal section of the equations test
• Blast furnace, p135
• video blast furnace
• video steel making
• Zinc extraction, p136

prac

• revise test for hydrogen
• nails from rusting experiment + sulfuric acid then using resultant solution...
• test for iron II ions
• test for sulfate ions
• oxidation (rusting) of Fe by conversion to FeO in flame and reaction as a basic oxide
• igcse summary of all metals 

hw

• Fe + H₂SO₄ experiment diagram and equations. Extended try ionic equations.
• revision for mid term test chapter 5-6

10
topic change
obj

• chromatography as a technique involving solubility
• the idea of a rf value
• the idea of chemical formula as a representation of ratio of atoms in a compound
• learn and identify from formulae: atom, molecule, compound

act

• carried forward diffusion from last week
• revise separation techniques sand-salt ethanol-wine...
• watch the chromatography demo
• copy the table columns for metals and non metals , p11
• Definition of: atom, element, molecule p 10-11
• Compounds, diagram p13

text
pp10 - 13

prac

• chromatography of dyes
• produce Hydrogen Fe + H₂SO₄ metal non metal element
• use it to produce water by reaction with air
• revision of soluble miscible immiscible terms use iodine in cyclohexane water

hw

• LEAVE SPACE after diffusion for... copy and learn check list, p8
• revise for mid term test

8

obj

• the idea of Brownian Motion to explain diffusion
• relationship between gas pressure and Brownian Motion
• the idea of expansion in a solid

text
p74-77

vocab

• random
• strike
• pollen
• jiggle
• bumping
• gas
• pressure
• collapse
• squeeze

act

• review the tea diffusion
• Robert Brown and pollen 
• Brown's theories and drawings p75 the idea that pollen can't swim
• particle in a gas p76
• less space more pressure p76
• higher temperature more pressure
• ball and ring video

prac

• warming a flask p76
• collapsing bottle p77

hw

• none this week bio's turn
• revision for mid term test

week 4 23 sep

welcome to
diagrams week 

the emphasis for all groups this week will be diagrams

if a picture is worth a thousand words, draw it properly!





13
obj
to 

• revise definitions of cell components
• be able to draw an electrolytic cell
• describe reactions occuring at cathode and anode
• estimate the avogadro constant by an electrical method
• make predictions of electrode producst at each electrode
• be able to calculate the charge passed in electrolysis
• calculate the mass of product formed
• define the terms standard electrode potential and standard cell potential

text
pp273-286

act

• revision q1 p274
• drawings of cell p275
• redox p276
• Q=It p276
• avogadro p277
• finding the charge p277
• potentials p278
• she p279

prac

• expt for charge p277
• cell potential for Cu and Zn
• redox titration 
• inert elecrode setup from the titration

hw
q5 q6 p 277

12
obj
to

• learn Hess' Law
• apply Hess to real reaction sequences
• learn how to calculate energies using Hess
• revise redox reactions

text

pp97-109

act

• Hess p97 et seq
• q1 p97
• q2 p108

prac

• enthalpy of combustion
• enthalpy of displacement tie in with redox

hw
inerpretation and graphs from prac

11
topic change to metals
obj

• the idea of ease of extraction of a metal from its ore
• position in reactivity series
• displacement reactions
• the idea of steel as an alloy of Fe and C
• learn the gcse way to write equations

text
p149-156

act
carried from last week oxidation numbers

• oxidation number in answer to where does the VII come from in manganate VII
• oxidation number of sulfur in sulfite and sulfate
• test for carbonate; copy the method
• this weeks' formulae: compounds of copper II (Tues) and iron II
• take the chemical equation test
• revise iron, the blast and steel making furnaces 
• video: conversion of iron to steel p158 and p166
• Zinc extraction, p 160
• structure of alloys, p 167
• rust and rust prevention methods, plastic, plating, galvanising, sacrificial, 161-164
• video on rusting and prevention
• video on rusting and galvanising

revise: some were doing an exam or play last term

• revision of test for hydrogen
• theatre hydrogen demo
• iron + H₂SO₄ to produce hydrogen to test
• revision of test for crystallisation
• iron + H₂SO₄ to extract the salt
• thermit reaction (as video demo) thermit video demo
• and as railway track welding

prac

• test for carbonate if time chloride bromide iodide
• crystallisation and testing of FeSO₄ test for hydrogen
• oxidation (rusting) of Fe by conversion to FeO in flame and reaction as a basic oxide
• set up rusting of nails tubes p162
• testing for Fe II and Fe III ions

hw
 diagram of ship with equations, p64

10
obj

• Learn the terms atom, molecule, compound
• learn why diffusion takes place

text
pp 6 - 14

act

• note on copying results!
• the m. pt. explanation and result
• Draw the diffusion diagrams, p6 & 7
• copy the table for metals and non metals , p11
• Definition of: atom, element, molecule p10-11
• Compounds, diagram p13
• video on Brownian Motion

prac

• condensation of steam against an cooled surface
• sublimation of ammonium chloride
• KMnO₄ diffusion in hot and cold water
• sublimation CO2 NH4Cl
• photos of the diffusion
• relative diffusion of ammonia and HCl
• diffusion of ions: Pb(NO₃)₂ and KI
• time permitting Brownian Motion of milk and talc using a microscope
• read the syllabus content for topic 1
• copy and learn the check-list, p8

hw

• explain with diagrams: filter and evaporate

8

obj
to

• consolidate the idea of diffusion in terms of particles
• show the idea of particle velocity-temperature dependence

text
pp72-73

act
using diffusion p72

vocab

• stir
• diffuse
• filter
• dissolve
• variable
• syrup

prac

• making tea from a teabag intro to filtering too
• activity p78 dye in water at different temperatures

hw
graph from p73

week 3 16 sep

Y13 dissolve away their problems

reminder all groups please look at the week ahead before you come to the lesson. Even if it's just looking at the vocabulary... Every little helps




Y13
obj 
to

• relate hydration to both lattice and solution enthalpies
• use the idea of polarity to descibe water-ion association
• propose methods to determine enthalpy changes in solution
• relate the solubilities of compounds to their solution and lattice enthalpies
• recall the basics of electrochemistry and circuits

text
pp 265-272
pp 273-277

act

• enthalpy of solution definition and explanation p265
• solvation molecular diagram p265
• q12 a nd b p265
• enthalpy of hydration p265 definition p266
• q13 p266
• calculation Hess diagram p266
• q15 p267
• sulfates p267-268
• intro to electrochem. repasar igcse electrolysis 
• Q=It p276

prac

• preparation of the sulfates p 267
• estimation of solubility of the sulfates
• electrolysis of Cu²⁺ containing solution with C and Cu electrodes

hw

choose a lab report (share the salts among us)

Y12 
obj
to learn

• properties and interconversion of liquid and solid states
• vapour pressure
• the definitions for different types of change reaction, formation, neutralisation atomisation, hydration

text
pp76-96

act

• Mr apparatus p76
• liquid state and examples, p77
• vapour pressure nitrogen and oxygen in air
• solid state with structure examples p78-84
• recycling p84

prac

• enthalpy of neutralisation HCl + NaOH
• enthalpy of hydration anhydrous and hydrated CuSO4

hw
calculations for mcΔt for reaction and molar

Y11
obj

• to distinguish between a sulfate and  sulfite
• to identify unknown metal ions by their flame colour
• revise the definition of oxidation and reduction in terms of electrons
• revise the test for hydrogen
• learn how to test for chromium III ions

text

• chromium: pp 13, 83, 144, 145, 154, 163, 156
• tests: pp 80, 156
• analysis section: pp 161-263

act

• intro video to chromium largest use: chrome-plating
• choose the chromium video from the The Periodic Table
• oxidation number in answer to where does the VII come from in manganate VII
• oxidation number of sulfur in sulfite and sulfate

prac

• preparation of acid rain from SO₂ + H₂O
• to distinguish sulfite from sulfate
• testing the acid rain with a carbonate revise limewater and CO2 testing
• testing the acid rain with KMnO4
• testing for chromium III ions if time revise amphoteric and do the same for Zn missed from last term
• test for nitrate and chloride bromide iodide

hw

q1 p263

Y10
obj

• to understand melting, boiling
• to understand freezing and condensation
• learn the differences between elements, compounds and mixtures
• the idea that these are physical changes
• the idea that these changes are reversible 

text
 pp 1-8

act

• revision cross sectional diagrams and their scale
• boiling water on Everest
• melting ice cream
• making gold ingots
• define melting, boiling, condensing, freezing and sublimation
• diagram of states p9 or from here
• graph p9
• q6 p9 
• impurities elevation b.pt. depression f.pt.

prac

• qualitative observation of ice meting
• qualitative observation of stearic acid melting
• qualitative observation of napthalene melting
• boiling point of distilled water link with video on Everest
• determination of melting point
• sublimation of NH₄Cl

hw 

diagrams of mpt tube experiment as guidelines here

Y8

obj
to learn

• the meaning of diffusion
• to explain diffusion in terms of particle theory
• the idea that particles are in random motion

text
pp70-71

vocab

• particle
• diffusion
• dye
• bromine

act

• copy the introductory pargraph p70
• draw and colour the diagram sequence p70
• copy the summary p71

prac

• the diffusion of KMnO4
• the diffusion of bromine
• large scale diffusion; wind and perfume in the atmosphere

hw

• as here and...
• drawing diagrams for the KMnO4 experiment

week 2 09 sep

week 2 already
keep thinking safe

don't be the first to burn your fingers






Y13
obj
to

• learn the factors which affect lattice energy (le)
• how size of ion affects le
• the relationship le and enthalpy of solution
• text
• pp 261-265

act

• from memory and with data book bhs for LiF and MgCl2 (p261)
• factors affecting le p262
• prediction of lattice energy related to ionic radius
• graph p262
• polarisation of ions, p263
• decomposition of carbonates, p264
• stability of nitrates p264
• enthalpy changes in solution p265
• q2 p265
• review of electron affinity for Gp VII

prac

• cambridge practical 2: gas volumes
• preparation of MgO realted to lattice energy via this method
• precipitation (or otherwise) of Mg and Ba sulphates
• design and prepare suitable solutions for the preparation of hydrated magnesium sulfate to assess its Mr and water of crystallisation.
• 
  

hw
remember the format of the paper 5? choose a lab report for any one at this sort of level

Y12
obj
to learn

• some experimental methods for determining Mr from ideal gas equation
• use examples of the ideal gas equation
• the terms liquid state vapor vapour pressure
• the terms solid state as ionic and metallic lattices
• that alloys are mixtures of metals
• how to distinguish simple and giant molecular structures
• some ideas of recycling
• the need for correctly balanced equations

text
pp 74-85

act

• graphs p74
• Mr via vaporisation p76
• liquids and vapours p77
• ionic lattice p78
• metallic lattice p79
• simple molecules p80
• giant molecular structures p81

prac

• preparation of MgO and Mg(NO3)2 
• the decomposition of Mg(NO3)2  and ID of gases
• conversion of MgO to sulfate nitrate chloride

hw

• Equations with ions from prac.
• Draw the structure of MgO

11
obj
the idea that:

• analysis is an important branch of chemistry
• the appearance of a substance can give evidence for identity
• flame colours can be used to identify metal ions
• sodium hydroxide can be used to further identify metal ions

text
pp 261-263

vocab

• acidic
• basic
• amphoteric
• neutral

act

• revise the analysis stuff from acids, bases and salts
• note and vocab check on  acid base neutralise
• video on acid rain and reduction of the effects of acid rain
• note about testing for CrIII
• the difference between qualitative and quantitative analysis (p261)
• copy and learn the appearance table, p261 (note on care with smell!)
• copy the flame test table, p 261
• copy the ions which can be tested with sodium hydroxide
• stick in analysis sheets
• revise formulae from ions
• revise gas preparation ad collection
• revision of chemical formulae involving hydroxides OH^-
• revise how to answer gcse questions jun 2016 p4 q 1 qnd 2

prac

• flame tests for the positive ions as groups Li, Na, K Cu
• test for Cr III
• test for sulfite
• test for SO₂
• revision of the term amphoteric then prep of ZnSO₄ and testing using aq NaOH and NH₃

hw
none for first week

10
obj

• learn the lab rules
• recognise hazard warnings
• state the distinguishing properties of solids, liquids and gases p2
• describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion. diagrams, p3
• describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation diagram and graph, p5
• to become familiar with the syllabus and videos here

text
pp. 1-8

act

• copy the lab rules
• revise and draw the more common hazard-symbols
• chemistry is everywhere, but where?
• diagrams s, l, g: here
• copy and learn definitions s, l, g p2
• vocab: solid, liquid, gas, particle, molecule, atom, structure, state of matter, change of state, melt, boil, condense,sublime, freeze

prac

• m.pt. stearic acid antipolillas if time
• b.pt. ethanol
• b.pt. methanol

hw

none for first week

diagram of your experiment find your one

8
both group sync week

obj

as week 1 and have a go at the following instructions practical

week 1 02 sep

A big Chemistry welcome back

and remember examination candidates...
whilst Y10 have five terms ahead,
Y11-13 have just two











first week think safe

learn the lab rules
know the hazard symbols

13
obj
to

• define and explain the terms lattice energy, ionisation energy and electron affinity
• construct a born-haber cycle (bhc)
• use a bhc to determine lattice energy

text

• the chemistry data book
• pp 257-262

act

• explanation of papers 4 and 5 and the a-level exam
• note about assessed experiments
• example paper 4 example paper 5
• the syllabus
• the schedule
• definitions in green boxes pp258-259
• Mg and Na lattice energies p258
• enthalpy of atomisation p258
• enthalpy electron affinity p258
• 2016 p4  q2
• q2 p259
• the idea that le is made up of many different components in a bhc
• lattice energy video summary with some extra examples.

prac

• revise prep of gases O2 and Cl2
• preparation of  MgO by burning in oxygen
• preparation of MgCl2 by burning in chlorine

hw
repasar las clases

12
obj
to be able to 

• describe an ideal gas in terms of kinetic theory
• relate ideal behaviour to particle size, pressure and temperature
• state use and explain the general gas equation pV=nRT

text
pp72-76

act

• lab rules, hazard symbols, syllabus and sow data booklet exams etc.
• states of mater p73
• kinetic theory p74
• ideal gases p74
• limitations p 75

prac
determination of  b.pt for unknown liquid

hw
none first week

11
obj
the idea that:

• analysis is an important branch of chemistry
• the appearance of a substance can give evidence for identity
• flame colours can be used to identify metal ions
• sodium hydroxide can be used to further identify metal ions

text

• sulfate test p126
• acid base summary pp 255-257
• analysis summary pp 261-263

vocab
coat-hanger

act

• analysis sheet as given in paper 5
• revise the analysis stuff from acids, bases and salts
• revise that oxides can be acidic, basic or amphoteric in particular summary p257
• copy each item from the supplement of the analysis stuff and summarise it with an example
• video on acid rain
• video on acid deposition and what we can do to reduce it
• note about testing for CrIII
• the difference between qualitative and quantitative analysis (p261)
• copy and learn the appearance table, p261 (note on care with smell!)
• copy the flame test table, p 261
• copy the ions which can be tested with sodium hydroxide
• stick in analysis sheets
• revise formulae from ions
• revise gas preparation ad collection
• revision of chemical formulae involving hydroxides OH^-

prac

• revise flame tests for the positive ions as groups Li, Na, K Cu
• test for Cr III
• test for sulfite
• test for SO₂
• pptn. of Al(OH)3 and dissolving in both acid and alkali --> amphoteric
• revision of the term amphoteric then prep of ZnSO₄ and testing using aq NaOH and NH₃

hw
read the blog tab at quimicalanucia Y11

10
obj

• learn the lab rules
• recognise hazard warnings
• state the distinguishing properties of solids, liquids and gases p2
• describe the structure of solids, liquids and gases in terms of particle separation, arrangement and types of motion. diagrams, p3
• describe changes of state in terms of melting, boiling, evaporation, freezing, condensation and sublimation diagram and graph, p5
• syllabus and videos here

text
pp. 1-8

vocab

• coat-hanger
• solid
• liquid
• gas
• particle
• molecule
• atom
• structure
• state
• change of state
• melt
• boil
• condense
• sublime
• freeze

act:

• copy the lab rules
• revise and draw the more common hazard-symbols
• chemistry is everywhere, but where?
• chemical reactions and energy mascletà
• save time by drawing simple cross sectional diagrams
• diagrams s, l, g: here
• copy and learn definitions s, l, g (p2)
• learn to use the vocab

prac

• m.pt. stearic acid antipolillas if time
• b.pt. ethanol
• b.pt. methanol

hw
read the blog tab at quimicalanucia Y10

Y8
obj
to learn

• the importance of safety in the chemistry laboratory
• the names of three states of matter as solid liquid and gs
• how to represent the three states
• the terms melting freezing condensing boiling
• the term particle theory

vocab

• coat-hanger
• solid
• liquid
• gas
• boil
• freeze
• melt
• evaporate
• condense

text
pp 68-69

act

• copy and learn the rules of the lab
• cut out and label the hazard symbols
• draw the three states of matter p68
• sketching diagrams for the ...
• changing state p69
• look at the summary of particle theory

prac

• taking the temperature of melting ice-water mixture
• condensing steam against a cold surface

hw
none first week