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The first law of thermodynamics
Thermodynamics · 6.10.2026 · 0:51
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Summary

The lecture covers the basics of thermodynamics 0:00. The first law links internal energy with heat and work 0:03. Then the Carnot cycle and its efficiency were discussed 0:10.

Key concepts
  • Isothermal process: temperature is constant 0:30
  • Entropy: a measure of the number of microstates 0:40
For the testThe formula for work in an isothermal process 0:35

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The Carnot cycle

The cycle consists of two isothermal and two adiabatic processes. Efficiency depends only on the temperatures of the hot and cold reservoirs 0:10, so no engine can exceed this limit.

My note: ask about the fridge example in the tutorial.

Short before a test. Detailed for the exam.

First law

Internal energy changes by heat and work.

0:03
Carnot cycle

Efficiency depends on the reservoir temperatures.

0:10
For the test

The formula for work in an isothermal process.

0:35

The night before the exam, too.

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thermodynamics-lecture-1.md
# The first law of thermodynamics

## Summary
The first law links internal
energy with heat and work [0:03].

Prepared with the help of AI.
For personal use.
flashcards-thermodynamics.csv
"What stays constant in an
isothermal process?","Temperature"
"What does the area under p–V mean?",
"Work done"

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