QQuestionPhysics
QuestionPhysics
Which state of matter (solid, liquid, or gas) has molecules that move the fastest?
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Answer
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Step 1:I'll solve this problem step by step, following the specified formatting guidelines:
Step 2:: Understanding Molecular Motion
Molecular motion is directly related to the temperature and kinetic energy of the molecules in a substance. The state of matter with the fastest molecular movement is determined by the molecules' ability to move freely.
Step 3:: Comparing Molecular Movement in Different States
- Solids: Molecules are tightly packed in a fixed lattice structure - Molecules vibrate in place - Least amount of movement - Lowest kinetic energy - Liquids: Molecules have more freedom of movement - Can move past each other - More mobility than solids - Intermediate kinetic energy - Gases: Molecules have maximum freedom of movement - Molecules move rapidly and randomly - Can spread out and fill entire container - Highest kinetic energy
Step 4:: Analyzing Molecular Kinetic Energy
- $$v$$ is velocity of the molecule
The kinetic energy of molecules is represented by the equation: Where:
Step 5:: Conclusion
Gases have molecules that move the fastest due to: - Least intermolecular forces - Maximum freedom of movement - Highest average kinetic energy
Final Answer
Gas is the state of matter with molecules that move the fastest.
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