1. a) What is meant by the term system in thermodynamics? (2mrks) b)What is a closed system?(2mrks)
2. a)What is work? (2mrks) b)How do we determine the amount of work done given the force associated with the work?(2mrks)
3. a)State the first Law of thermodynamics?(2mrks)
b) What is meant by the internal energy system?(2mrks)
c) By what means can the internal energy of a closed system increase?(2mrks)
4. a)Why is the change in enthalpy usually easier to increase than the change in internal energy?(2mrks) b)For a given process at constant pressure, ?H is negative. Is the process endothermic or exothermic? (2mrks)
5. a)what is meant by the term state function?(2mrks)
b) Give an example of a quantity that is a state function and one that is not?(2mrks)
c) Is work a state function? Why or why not? (2mrk)

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