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Thermodynamics 101

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Questions and Answers

What happens to a gas when there is a sudden reduction of external pressure?

It enters a non-equilibrium state (correct)

It becomes superheated

It becomes subcooled

It stays in equilibrium

What is a quasi-static process?

A process in which the system is completely isolated from its surroundings

A process that changes variables rapidly

A process in which the system changes variables slowly and remains in equilibrium with its surroundings (correct)

A process in which the system is not in equilibrium at every stage

What is an isothermal process?

A process in which the volume is constant

A process in which the pressure is constant

A process in which the temperature is kept fixed throughout (correct)

A process in which no heat flows between the system and the surroundings

What is an adiabatic process?

<p>A process in which the system is completely isolated from its surroundings</p> Signup and view all the answers

Why are non-equilibrium states difficult to deal with?

<p>They are not easily described or predicted</p> Signup and view all the answers

Study Notes

A gas in thermal and mechanical equilibrium has the same pressure and temperature as its surroundings.
Sudden reduction of external pressure leads to non-equilibrium states that don't have well-defined pressure and temperature.
Quasi-static process is an idealized process in which the system is in equilibrium at every stage.
In a quasi-static process, the system changes its variables (P, T, V) so slowly that it remains in thermal and mechanical equilibrium with its surroundings throughout.
A process in which the temperature of the system is kept fixed throughout is called an isothermal process.
In isobaric processes, the pressure is constant.
In isochoric processes, the volume is constant.
Adiabatic process is insulated from the surroundings and no heat flows between the system and the surroundings.
Non-equilibrium states of a system are difficult to deal with.
Quasi-static processes are a reasonable approximation to an ideal quasi-static process.

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Description

Test your knowledge of thermodynamics with this quiz! From the basics of thermal and mechanical equilibrium to the intricacies of isothermal, isobaric, and adiabatic processes, this quiz covers it all. Learn about the importance of quasi-static processes and the challenges of dealing with non-equilibrium states. Impress your friends with your newfound understanding of thermodynamics!