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CHEM1101 - Resources for Week 7

Topics and Learning Outcomes

  • Molecular Shape
    •  describe the electron pair geometries and molecular shapes for molecules containing between 2 and 6 electron pairs
    •  assign molecular shapes based on Lewis structures and VSEPR theory
    •  explain the difference between polar bonds and polar molecules
    •  predict, based on molecular shape, whether a molecule will have a net dipole moment
    •  identify carbon-carbon single, double and triple bonds
    •  determine whether a molecule is polar
  • Types of Intermolecular Forces
    •  identify different types of intermolecular forces
    •  determine which forces are present in different molecules
    •  assess which forces are more important
    •  analyse the effect of intermolecular forces on boiling points
  • Gas Laws
    •  use the ideal gas law to relate the number of moles, pressure, volume and temperature of a gas
    •  relate gas density and molar mass
    •  convert between the common units of pressure (atm, Pa and mmHg)
    •  use the appropriate value of the gas constant, R
    •  use Dalton's law of partial pressures

Textbook and eBook References

  • VSEPR - Sections 5.4 and 5.5
  • Gas Laws - Sections 6.2 - 6.6
  • Types of Intermolecular Forces - Sections 6.7 and 6.8
  • Liquids - Chapter 10
the eBook references are free and are 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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  Molecular shape and dipoles (short video tutorial)  
Description: Video tutorial on how to work out if a molecule is polar or not.
Tags: VSEPR | Lewis structures  |  Contributed by Chiara Neto
Gas Laws -  
  Science of scuba diving  
Description: summary of the gas laws and their relevance to diving
Tags: Henry's law | Boyle's law | Charles' law  |  Contributed by Adam Bridgeman
  Phun Gas Law  
Description: YouTube video with simulation of hot and cold air
Contributed by Adam Bridgeman
  Boyle's Law  
Description: simulation
Tags: Boyle's law  |  Contributed by Adam Bridgeman
  Charles' Law  
Description: simulation
Tags: Charles' law  |  Contributed by Adam Bridgeman
  Ideal Gas Law: Dealing with Different Units for P and V (short video tutorial)  
Tags: ideal gas law  |  Contributed by Adam Bridgeman
Types of Intermolecular Forces -  
Liquids -  

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