4 Questions
What happens to the temperature in an isothermal process?
It remains constant
How does the internal energy of the gas change in an isothermal process?
It does not change
What shape is the isothermal line on a P-V diagram?
Hyperbola
How does the heat transfer between the system and its surroundings occur in an isothermal process?
To maintain the constant temperature
Study Notes
Isothermal Process
- In an isothermal process, the temperature remains constant.
- The internal energy of the gas remains constant, as the temperature is constant and there is no change in the kinetic energy of the gas molecules.
- On a P-V diagram, an isothermal process is represented by a hyperbola (curved line), as the product of pressure and volume is constant.
- Heat transfer occurs between the system and its surroundings in an isothermal process, with heat being absorbed or released to maintain the constant temperature.
Test your understanding of isothermal processes in thermodynamics, where the temperature remains constant as work is done on or by the gas. Explore the concept of internal energy, heat transfer, and how this process is represented on a P-V diagram.
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