IB Chemistry Sub-topic R1.4 Definitions
This page contains our IB Chemistry definitions for sub-topic R1.4. By learning each one of these definitions, you will fully cover the content for IB Chemistry 'Entropy & Spontaneity'.
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entropy
The measure of distribution of available energy among particles, measured in JK-1mol-1
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spontaneity
The ease with which a reaction occurs
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standard entropy
The entropy change experienced when heating a substance from 0K to 298K (STP)
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standard free energy change of a reaction
The change in free energy during a reaction, dependent on enthalpy, entropy, and temperature change
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