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CHEM1101 - Resources for Week 8

Topics and Learning Outcomes

  • Liquids
    •  calculate concentrations in molarity, molality, mole fraction, % w/w and %v/v and perform dilutions
    •  calculate expected freezing point depressions of solutions
    •  calculate expected solution osmotic pressures
    •  explain the origin of osmotic pressure
  • Material Properties (Polymers, Liquid Crystals, Metals, Ceramics)
    •  define conductivity, paramagnetism and diamagnetism
    •  recognise conductors and insulators by their conductivity
    •  understand the definition of a polymer and be able to distinguish linear, branched and cross linked polymers
    •   describe the distinguishing features of nematic and smectic liquid crystals
    •  use, define and explain the concepts of conduction band, valence band, band gap, hole, acceptor level, donor level, n-doping and p-doping
    •  explain the relationship between band gap and electrical and optical properties • explain how n or p doping gives rise to conductivity of electrons and hole
  • Liquid Crystals
    •  describe lyotropic, nematic and smectic A & C thermotropic liquid crystals
    •  explain the general features of the liquid crystal state
    •  describe how liquid crystals can be used to generate displays
    •  relate intermolecular forces to boiling points and surface tension
  • Thermochemistry
    •  define system, surroundings and universe for simple thermodynamic processes
    •  explain the difference between heat and temperature
    •  use the First Law of Thermodynamics to calculate the change in internal energy accompanying heating and expanding an ideal gas
    •  relate temperature and heat change using specific and molar heat capacities
    •  calculate internal energy changes using the bomb calorimeter

Textbook and eBook References

  • Thermochemistry - Sections 8.1, 8.3 and 8.4
the eBook reference is free and is taken from high quality sources.

Lecture Notes, Tutorial Worksheets & Answers and Suggested Exam Questions

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ChemCAL and iChem Resources

Contributed Links and Resources

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Thermochemistry -  
  Mythbusters Thermite Explosion  
Description: Mythbusters show that steam explosion can be caused by rapid heating by thermite reaction. Hess''s Law Fail at 6:40
Contributed by Tim Schmidt
  Heat, temperature and heat capacity (short video tutorial)  
Description: The difference between heat and temperature and how to relate them using heat capacity.
Tags: heat capacity | heat  |  Contributed by Adam Bridgeman

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