MSJChem - Tutorial videos for IB Chemistry
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  • SL Syllabus
    • Topic 1 Stoichiometric relationships
    • Topic 2 Atomic structure
    • Topic 3 Periodicity
    • Topic 4 Bonding
    • Topic 5 Energetics
    • Topic 6 Kinetics
    • Topic 7 Equilibrium
    • Topic 8 Acids and bases
    • Topic 9 Oxidation and reduction
    • Topic 10 Organic chemistry
    • Topic 11 Measurement and data processing
  • HL Syllabus
    • Topic 12 Atomic structure HL
    • Topic 13 Periodicity HL
    • Topic 14 Bonding HL
    • Topic 15 Energetics HL
    • Topic 16 Kinetics HL
    • Topic 17 Equilibrium HL
    • Topic 18 Acids and bases HL
    • Topic 19 Redox HL
    • Topic 20 Organic chemistry HL
    • Topic 21 Measurement and data processing
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    • HL Option A
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    • HL Option B
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    • HL Option C
    • SL Option D
    • HL Option D
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Please note that this topic is incomplete and as this is the least popular option I doubt that I will ever get around to completing it. ​

A.8 X-ray diffraction 
Understandings:
X-ray diffraction can be used to analyse structures of metallic and ionic compounds.
Applications and skills:
Application of the Bragg equation in metallic structures.
Guidance:
​Operating principles of X-ray crystallography are not required.



A.8 Superconductors 
Understandings:
Superconductors  are materials that offer no resistance to electric currents below a critical temperature.
Type 1 superconductors  have sharp transitions to superconductivity  whereas Type 2 superconductors  have more gradual transitions.
Applications and skills:
Analysis of resistance versus temperature data for Type 1 and Type 2 superconductors.

A.8 The Bardeen–Cooper–Schrieffer (BCS) theory
Understandings:
Resistance in metallic conductors is caused by collisions between electrons and positive ions of the lattice.
The Bardeen–Cooper–Schrieffer (BCS) theory explains that below the critical temperature electrons in superconductors  form Cooper pairs which move freely through the superconductor.
Applications and skills:
Explanation of superconductivity in terms of Cooper pairs moving through a positive ion lattice.

A.9 Condensation polymers 
Understandings:
Condensation polymers require two functional groups on each monomer.
NH3, HCl and H2O are possible products of condensation reactions.
Applications and skills:
Distinguishing between addition and condensation polymers.
Completion and descriptions of equations to show how condensation polymers are formed.
Deduction of the structures of polyamides and polyesters from their respective monomers.

A.9 Kevlar​
Understandings:
​Kevlar® is a polyamide with a strong and ordered structure. The hydrogen bonds between O and N can be broken with the use of concentrated sulfuric acid.
Applications and skills:
Explanation of Kevlar®’s strength and its solubility in concentrated sulfuric acid.

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  • Home
    • About
    • Blog
    • Online tutoring
    • Privacy policy
  • Member's Area
  • SL Syllabus
    • Topic 1 Stoichiometric relationships
    • Topic 2 Atomic structure
    • Topic 3 Periodicity
    • Topic 4 Bonding
    • Topic 5 Energetics
    • Topic 6 Kinetics
    • Topic 7 Equilibrium
    • Topic 8 Acids and bases
    • Topic 9 Oxidation and reduction
    • Topic 10 Organic chemistry
    • Topic 11 Measurement and data processing
  • HL Syllabus
    • Topic 12 Atomic structure HL
    • Topic 13 Periodicity HL
    • Topic 14 Bonding HL
    • Topic 15 Energetics HL
    • Topic 16 Kinetics HL
    • Topic 17 Equilibrium HL
    • Topic 18 Acids and bases HL
    • Topic 19 Redox HL
    • Topic 20 Organic chemistry HL
    • Topic 21 Measurement and data processing
  • Options
    • SL Option A
    • HL Option A
    • SL Option B
    • HL Option B
    • SL Option C
    • HL Option C
    • SL Option D
    • HL Option D
  • Exam review