Statistical Physics: The Laws of Thermodynamics

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7 Terms

1
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What is a thermodynamic system

Any microscopic system, often consider N particles where N ∼ Na ∼ 6×10²³ (avorgos number.)

2
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What are equations of state?

Relationships between thermodynamic paramaters for a system in equilibrium.

3
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What is the general equation for the work done on a system?

dW = (intensive)d(extensive)

4
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What is an extensive variable? What is an intensive variable?

Extensive: A variable which scales with the system size

Intensive: A variable which doesn’t scale with the system size.

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What is the ideal gas equation?

PV = NRT

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What is the zeroth law in thermodynamics? What does this law imply about the system?

If two systems A and B are in equilibrium with a system C, then they are in equilibrium with each other.

This law implies that there will always exist a state variable such that systems in equilibrium will have the same T.

7
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If we considered two systems