Multiple Choice
According to the second law of thermodynamics, what is the natural tendency for the entropy of an isolated system to do over time?
Table of contents
- 1. Intro to General Chemistry3h 48m
- Classification of Matter18m
- Physical & Chemical Changes19m
- Chemical Properties7m
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- 22. Organic Chemistry5h 7m
- Introduction to Organic Chemistry8m
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- Skeletal Formula6m
- Spatial Orientation of Bonds3m
- Intro to Hydrocarbons16m
- Isomers11m
- Chirality15m
- Functional Groups in Chemistry11m
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- The Alkyl Groups9m
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- 23. Chemistry of the Nonmetals2h 39m
- Main Group Elements: Bonding Types4m
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- Noble Gas Compounds3m
- 24. Transition Metals and Coordination Compounds3h 19m
- Atomic Radius & Density of Transition Metals11m
- Electron Configurations of Transition Metals7m
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- Paramagnetism and Diamagnetism10m
- Ligands10m
- Complex Ions5m
- Coordination Complexes7m
- Classification of Ligands11m
- Coordination Numbers & Geometry9m
- Naming Coordination Compounds22m
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- Isomerism in Coordination Complexes17m
- Orientations of D Orbitals4m
- Intro to Crystal Field Theory10m
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- Crystal Field Theory: Square Planar Complexes4m
- Crystal Field Theory Summary8m
- Magnetic Properties of Complex Ions9m
- Strong-Field vs Weak-Field Ligands6m
- Magnetic Properties of Complex Ions: Octahedral Complexes11m
- 1. The Chemical World10m
19. Chemical Thermodynamics
Entropy
Multiple Choice
For a pure substance at the same temperature, which phase has the highest entropy?
A
All phases have the same entropy at the same temperature
B
Solid
C
Liquid
D
Gas
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Verified step by step guidance1
Understand that entropy is a measure of the disorder or randomness in a system. The more disordered the particles are, the higher the entropy.
Recall the three common phases of matter: solid, liquid, and gas. In solids, particles are tightly packed in an ordered structure, so entropy is low.
In liquids, particles are less ordered than in solids and can move around more freely, so entropy is higher than in solids.
In gases, particles move independently and occupy a much larger volume with high randomness, resulting in the highest entropy among the three phases.
Therefore, at the same temperature, the phase with the highest entropy is the gas phase.
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