LESSON OBJECTIVE: Investigate entropy changes and predict entropy changes that will occur during state changes and chemical reactions.
Learning Outcomes:
(taken from the Cambridge International AS and A Level Chemistry curriculum)
23.3 Entropy change, ΔS
2. predict and explain the sign of the entropy changes that occur:
a) during a change in state, e.g. melting, boiling and dissolving (and their reverse)
b) during a temperature change
c) during a reaction in which there is a change in the number of gaseous molecules
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