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CHEM1109 - This Week's Resources

Topics and learning outcomes


  • Introduction to Chemical Energetics
    •  identify the system and the surroundings in a chemical process
    •  identify the ways in which energy is transferred in a chemical process
    •  identify the sign of heat and work in chemical processes
    •  give examples of chemical reactions that do work
    •  calculate energies in Joules or Calories
    •  calculate the energy required to change the temperature of a substance using its heat capacity
    •  calculate the energy released or absorbed by a reaction from data obtained using a bomb calorimeter
    •  explain the origin of the heat of reaction
    •  understand the relationship between internal energy and enthalpy
    •  calculate ΔH of a reaction using Hess's Law of heat summation
    •  calculate ΔH0 of a reaction using tables of ΔfH
    •  appreciate the origin of heat release in net bond breakage
    •  explain the origin of gas expansion and heat transfer in terms of probability
    •  understand the microscopic definition of entropy in terms of the number of ways of arranging a system
    •  define both the 1st and 2nd laws of thermodynamics
    •  predict the entropy changes between some simple chemical systems
    •  calculate ΔS of a reaction using tables of standard entropies
    •  calculate ΔunivS or ΔG of a reaction and predict spontaneity
    •  understand the relationship between ΔunivS and ΔG
    •  calculate ΔG0 based on values of ΔH0 and ΔS0 or from values of ΔfG0
    •  explain the effects of temperature and pressure on ΔG0
    •  explain in principle how one maximizes the useful work obtainable from a chemical reaction

Textbook references

  • Introduction to Chemical Energetics - Chapter 4
references are to Blackman, Bottle, Schmid, Mocerino and Wille, Chemistry, 2nd Edition, 2012 (John Wiley)

Lecture notes, tutorial homework and resources

ChemCAL and other resources

Introduction to Chemical Energetics
To access ChemCAL, use the username "1109" and the password "helium"

Contributed links

You can contribute resources to this site and rank the existing resources: log in to eLearning and follow the link to 'Contribute' under 'Course Resources'.

Introduction to Chemical Energetics -
Hunt for absolute zero
Description: Nobel prize winning scientists discuss the search for absolute zero
Tags: 3rd Law
Contributed by Adam Bridgeman
Thermodynamics tutorial
Tags: thermodynamics
Contributed by Adam Bridgeman
Thermodynamics overview
Tags: thermodynamics
Contributed by Adam Bridgeman
Marbors defy entropy
Description: Clip from You Tube showing marbles breaking the 2nd Law
Tags: Entropy | 2nd Law
Contributed by Adam Bridgeman

Top Tags

  thermodynamics   2  
  Boyle's law   2  
  Charles' law   2  
  Henry's law   1  
  Entropy   1  
  2nd Law   1  
  3rd Law   1  
  Equilibrium   1  

Top Contributors

  Adam Bridgeman   9  

Week 2

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