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CSCA PhysicsChapter 3: ThermodynamicsIntermediate

Kinetic Theory of Gases & First Law of Thermodynamics

分子动理论、理想气体状态方程与热力学第一定律 · Node 3.1

Microscopic molecular motion, RMS velocity, ideal gas law PV=nRT, and internal energy changes Delta U = Q + W.

Chapter Weight: 15% of official examination
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Core Mathematical Axiom

Formula Proof & Traps
PV=nRT=NkB​T,Ek​=23​kB​T,ΔU=Q+W
CSCA Exam Trap Alert

Using temperatures in Celsius (°C) instead of absolute Kelvin (K = °C + 273.15) in thermodynamic equations.

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