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CHEM1612 - Resources for Week 1

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 and eBook References

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

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