뒤로Chemical Thermodynamics: Entropy definitions
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1/15뒤로Skip to main content뒤로Entropy
A quantitative measure of molecular disorder or randomness, reflecting the tendency of systems to move toward chaos. Second Law of Thermodynamics
A principle stating that the total disorder of the universe always increases in any spontaneous process. Phase Change
A transition between solid, liquid, and gas states, accompanied by changes in molecular arrangement and disorder. Delta S
A symbol representing the change in molecular disorder during a process, positive for increased randomness, negative for increased order. Third Law of Thermodynamics
A law stating that molecular disorder approaches zero as temperature approaches absolute zero. Absolute Zero
A theoretical temperature (0 Kelvin) where all molecular motion ceases and disorder is minimized. Microstates
The different possible arrangements and orientations molecules can adopt, contributing to overall disorder. Lattice Energy
The energy released when gaseous ions form an ionic solid, indicating bond strength and affecting disorder. Covalent Compound
A substance composed of nonmetals sharing electrons, with disorder influenced by phase, complexity, and mass. Ionic Compound
A solid formed from positive and negative ions, with disorder affected by bond strength and lattice energy. Cation
A positively charged ion participating in ionic bonding and influencing the strength of ionic solids. Anion
A negatively charged ion that pairs with a positive counterpart to form ionic solids. Periodic Table Trend
A pattern showing that bond strength and lattice energy increase toward the top right of the element chart. Complexity
A factor determined by the number of elements in a molecule, influencing the number of possible arrangements. Molecular Mass
A property where greater mass leads to higher disorder when comparing substances of similar structure.
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