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Thermal Physics, Evidence of Existence of Atoms: Browanian Motion, Law of…
Thermal Physics
Ideal Gas : Experimental relationships between p, V, T, m
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Assumptions of pV= nRT
- Particle hv Negligible Volume (Gas vol >>> Particle vol)
- Collisions are Perfectly Elastic (Ek is conserved)
- No Intermolecular Forces (Ignore Repulsion & Attraction
- Particles are in constant, fast and random motion
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Law of Thermodynamics
2nd
In a Spontaneous process, the entropy of the Universe increases
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0th
Two systems are considered to be in Thermal Equilibrium if there is no net flow of heat (i.e. same temperature)
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