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CHEM1901

Week 13 Semester 2 2024

Jump to Week: 1,2,3,4,5,6,7,
8,9,10,11,12,13
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CHEM1901 Week 1

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Nuclear and Radiation Chemistry

  •  recognise nuclear reactions, including the major spontaneous decay mechanisms
  •  calculate the average atomic mass from isotope information
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Nuclear and Radiation Chemistry Assumed Knowledge
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CHEM1901 Week 2

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Nuclear and Radiation Chemistry

  •  recognise nuclear reactions, including the major spontaneous decay mechanisms
  •  calculate the average atomic mass from isotope information
  • more ...

Wave Theory of Electrons and Atomic Energy Levels

  •  name the key experimental observations that led to the development of quantum mechanics
  •  convert between velocity, kinetic energy or momentum and wavelength of a free electron (or other particle of known mass)
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Nuclear and Radiation Chemistry Wave Theory of Electrons and Resulting Atomic Energy Levels
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CHEM1901 Week 3

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Wave Theory of Electrons and Atomic Energy Levels

  •  name the key experimental observations that led to the development of quantum mechanics
  •  convert between velocity, kinetic energy or momentum and wavelength of a free electron (or other particle of known mass)
  • more ...

Shape of Atomic Orbitals and Quantum Numbers

  •  identify the key features of waves in 1-3 dimensions - displacement, amplitude, nodes
  •  explain the meaning of the orbital quantum numbers, n, l, m, and the designation of orbitals such as 1s, 3d, 4p, 4f..
  • more ...

Filling Energy Levels in Atoms Larger than Hydrogen

  •  draw out the electron configuration for atoms in the s-and p-blocks of the Periodic Table, including unpaired electrons
  •  explain why the orbitals with the same principal quantum number but different angular momentum quantum numbers have different energies in multi-electron atoms
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Wave Theory of Electrons and Resulting Atomic Energy Levels Shape of Atomic Orbitals and Quantum Numbers Filling Energy Levels in Atoms Larger than Hydrogen
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CHEM1901 Week 4

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The Periodic Table and Periodic Trends

  •  give examples of periodic trends and chemical properties used to construct the Periodic Table.
  •  assign atoms to appropriate groups in the Periodic Table on the basis of their properties
  • more ...

Bonding in H2 - MO theory

  •  explain the reason for bond formation being due to energy lowering of delocalised electrons in molecular orbitals
  •  describe a molecular orbital
  • more ...

Bonding in O2, N2, C2H2 and C2H4

  •  distinguish between various types of bonding, anti-bonding and non-bonding orbitals
  •  distinguish between polar and apolar bonds in diatomic molecules and relate it to electron attraction of a nucleus
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Periodic Table and the Periodic Trends Bonding in H2 - MO theory Bonding in O2, N2, C2H2, C2H4 and CH2O
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CHEM1901 Week 5

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Atomic Electronic Spectroscopy

  •  explain the difference between core and valence electrons
  •  distinguish between absorbance and emission spectra
  • more ...

Band Theory - MO in Solids

  •  explain how band structure in insulators, semiconductors and metals arise from delocalised orbitals
  •  describe the characteristics of natural and doped semiconductors, including band-gap energy
  • more ...

Polar Bonds

  •  represent a dipole in a bond, and use electronegativity to identify the positive and negative ends
  •  describe and explain the periodic trends in electronegativity

Ionic Bonding

  •  explain the origin of ionic bonding as a limiting case of MO theory
  •  explain why ionic interactions lead to crystals rather than small molecules
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Band Theory - MO in Solids Polar Bonds
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CHEM1901 Week 6

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Lewis Structures

  •  draw out plausible Lewis structures for simple polyatomic molecules
  •  assign bond orders based on sharing of electron pairs and resonance structures
  • more ...

VSEPR

  •  assign molecular shapes based on Lewis structures
  •  recognise four functional groups: aldehyde, alcohol, ketone and nitrile
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Lewis Structures VSEPR
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CHEM1901 Week 7

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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
  • more ...

Types of Intermolecular Forces

  •  identify the main types of intermolecular forces, and explain their importance in the formation of condensed phases
  •  predict trends in the strength of intermolecular forces with, for example, charge, dipole moment and molecular weight
  • more ...

Polymers and the Macromolecular Consequences of Intermolecular Forces

  •  describe the random coil conformation of a polymer, and calculate the random coil diameter and contour length of a vinyl (addition) polymer
  •  explain how entanglement and chain branching affects polymer properties
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Gas Laws Types of Intermolecular Forces
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CHEM1901 Week 8

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Material Properties (Polymers, Liquid Crystals, Metals, Ceramics)

  •  define conductivity, paramagnetism and diamagnetism
  •  recognise conductors and insulators by their conductivity
  • more ...

Liquid Crystals

  •  describe lyotropic, nematic and smectic A & C thermotropic liquid crystals
  •  describe cubic, hexagonal and lamellar lyotropic liquid crystals
  • more ...

Liquids

  •  calculate concentrations in molarity, molality, mole fraction, % w/w and %v/v and perform dilutions
  •  calculate expected freezing point depressions of solutions
  • more ...

The Greenhouse Effect

  •  summarise the evidence for global warming and the greenhouse effect
  •  calculate the temperature of a black body emitter from its wavelength maximum or from an energy balance and suitable data
  • more ...

1st Law of Thermodynamics

  •  define the types of thermodynamic system
  •  recognise electrical, PV, surface, and elastic (spring) work
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Material Properties (Polymers, Liquid Crystals, Metals, Ceramics) Thermochemistry
Previous Page

CHEM1901 Week 9

Next Page

1st Law of Thermodynamics

  •  define the types of thermodynamic system
  •  recognise electrical, PV, surface, and elastic (spring) work
  • more ...

Enthalpy

  •  define enthalpy, and distinguish between CP and CV
  •  recognise and define the enthalpies of solution, formation, atomization, vapourization, condensation, fusion, sublimation and combustion
  • more ...

2nd Law of Thermodynamics

  •  write down the Second Law of Thermodynamics
  •  define entropy, spontaneous processes and equilibrium
  • more ...

Oxidation Numbers

  •  work out the oxidation number for an element in a compound

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Thermochemistry First and Second Law of Thermodynamics Oxidation Numbers Nitrogen Chemistry and Compounds
Previous Page

CHEM1901 Week 10

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Nitrogen Chemistry and Compounds

  •  write down an example compound for all the oxidation states of nitrogen, including hydrides, halides, oxyacids and oxides
  •  give several examples of nitrogen-containing explosives and explain how they function
  • more ...

Equilibrium

  •  explain chemical equilibrium as a reaction mixture whose composition is unchanging in time, and relate this to the kinetic picture of equal rates of formation and decomposition of reactants and products
  •  define the equilibrium constant, and write it down for an arbitrary gas phase reaction
  • more ...

Equilibrium and Thermochemistry in Industrial Processes

  •  identify and explain the major steps in mineral extraction and purification into its metal
  •  Identify the major forms of mineral sources of metals and other elements
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Chemical Equilibrium Equilibrium and Thermochemistry in Industrial Processes
Previous Page

CHEM1901 Week 11

Next Page

Equilibrium

  •  explain chemical equilibrium as a reaction mixture whose composition is unchanging in time, and relate this to the kinetic picture of equal rates of formation and decomposition of reactants and products
  •  define the equilibrium constant, and write it down for an arbitrary gas phase reaction
  • more ...

Equilibrium and Thermochemistry in Industrial Processes

  •  identify and explain the major steps in mineral extraction and purification into its metal
  •  Identify the major forms of mineral sources of metals and other elements
  • more ...

Electrochemistry

  •  Identify oxidation and reduction half-reactions, and combine them into a balanced redox reaction
  •  explain how a Galvanic cell is constructed to draw a current from a redox reaction
  • more ...

Electrochemistry (Batteries and Corrosion)

  •  distinguish between primary and secondary batteries, and fuel cells
  •  recognise the cell reactions and design features of these kinds of cells

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Chemical Equilibrium Equilibrium and Thermochemistry in Industrial Processes Electrochemistry
Previous Page

CHEM1901 Week 12

Next Page

Electrochemistry

  •  Identify oxidation and reduction half-reactions, and combine them into a balanced redox reaction
  •  explain how a Galvanic cell is constructed to draw a current from a redox reaction
  • more ...

Electrochemistry (Batteries and Corrosion)

  •  distinguish between primary and secondary batteries, and fuel cells
  •  recognise the cell reactions and design features of these kinds of cells

Electrolytic Cells

  •  define electrolysis, electrorefining and overpotential
  •  calculate the yield of a chemical product from current and electrolysis time
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Electrochemistry
Previous Page

CHEM1901 Week 13

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Electrolytic Cells

  •  define electrolysis, electrorefining and overpotential
  •  calculate the yield of a chemical product from current and electrolysis time
  • more ...

ChemCAL, iChem and Contributed Resources (Username "1901" and Password "helium")

Electrolytic Cells