Thermodynamics

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12 Terms

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The zeroth law

Thermodynamic equilibrium

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The first law

The conservation of energy

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The second law

Principles of entropy

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The third law

Absolute zero temperature

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Energy

The capacity to do work

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Work

The motion against an opposing force

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Internal energy , U

The sum of all the KE and PE contributions of all the opponents in the system

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What is the difference between closed and isolated system?

Closed system can exchange energy but not matter with its surroundings whereas isolated can’t exchange either

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Internal energy calculation

Final- India internal energy

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What can U be changed by ?

Work or heat

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When is w positive?

Work is done on

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When is w negative?

Work is done by the system