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Entropy
01
a thermodynamic measure of the degree of disorder or randomness in a system, denoted by S
02
(communication theory) a numerical measure of the uncertainty of an outcome
Example
Gas molecules in a container have higher entropy than the same molecules in a more ordered liquid state.
Dissolving a solute in a solvent generally increases the entropy of the system.
When ice melts into water at a higher temperature, the entropy of the system increases.
The entropy of a gas typically increases with an increase in temperature, reflecting increased molecular motion.
Breaking a solid into smaller pieces can increase entropy, as the particles have more freedom of movement.
