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In lecture, Dr. Lavelle said that the thermodynamic property resulted in a small error in entropy. What does thermodynamic property mean and how does it result in a small error in entropy when using Boltzmann's constant formula?
Thermodynamic properties refer to how the system exists, whether it can exist at any point in space regardless of how much or if it changes based on how much is in the system (the mass of the system). These are broken up into intensive and extensive properties. Intensive properties exist anywhere in space in any amount (temperature, pressure). Extensive properties change based on the amount in the system (volume, enthalpy, energy, and entropy). Since entropy is an extensive property and depends on the number of particles in the system, there may either be extra particles from the surroundings or particles not taken into account when looking at entropy. Therefore, there will always be a small error when calculating entropy.
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