Thermodynamics: Reversible Compression of Solid Volume V

In summary, the conversation revolves around a block being reversibly compressed at a constant temperature. The question is asked about the internal energy changing and the implications of the process being reversible. The concept of entropy is mentioned and clarified.
  • #1
mooneyes
11
0
Hi, this concerns thermodymanics.

A block of volume V is reversibly compressed from pressure P1 to pressure P2 isothermally at temperature T.

It goes on to ask about the heat expelled, but that's not my question.

It is a solid, obviously not an ideal gas, so I'm sure the internal energy can change, yes?
Also, what information can we deduce from the fact that it's a reversible process, if any?

Thanks.
 
Physics news on Phys.org
  • #2
When a process is said to be 'reversible' (thermodynamically), then you're saying something very specific about the entropy of the process.
 
  • #3
Ah ha! The entropy doesn't increase, I see. Thanks!
 

1. What is reversible compression in thermodynamics?

Reversible compression in thermodynamics refers to the process of compressing a solid volume in a way that can be reversed without any loss of energy. This means that the compression is carried out in a slow and controlled manner, allowing the system to reach equilibrium at each step.

2. Why is reversible compression important in thermodynamics?

Reversible compression is important in thermodynamics because it allows us to accurately measure and calculate the changes in energy and properties of a system. It also helps us understand the behavior of substances under different conditions and predict their behavior in real-world applications.

3. How is reversible compression different from irreversible compression?

Reversible compression is a slow and controlled process that can be reversed without any loss of energy, while irreversible compression is a fast and uncontrolled process that results in a permanent change in the system. Reversible compression follows the laws of thermodynamics, while irreversible compression does not.

4. What factors affect the reversible compression of a solid volume?

The reversible compression of a solid volume can be affected by factors such as temperature, pressure, and the properties of the solid itself. The type of compression (isothermal, adiabatic, etc.) also plays a role in determining the reversible compression of a solid volume.

5. Can reversible compression occur in gases or liquids?

No, reversible compression can only occur in solids. This is because gases and liquids do not have a definite shape or volume, making it difficult to control the compression process and achieve reversible results. However, the principles of reversible compression can still be applied to gases and liquids in certain situations.

Similar threads

I How can a process be isentropic but not reversible or adiobatic?
    • Classical Physics
Replies
2
Views
2K
I Reversible compression of a gas - faulty reasoning?
    • Classical Physics
Replies
2
Views
799
I The relationship between reversible and irreversible processes
    • Classical Physics
Replies
5
Views
1K
I Adiabatic irreversible process vs adiabatic reversible
    • Classical Physics
Replies
1
Views
939
I Focus Problem for Entropy Change in Irreversible Adiabatic Process
    • Thermodynamics
2
Replies
56
Views
3K
Chemistry Graph of several thermodynamic processes
    • Biology and Chemistry Homework Help
Replies
8
Views
398
B Change in entropy of reversible isothermal process
    • Thermodynamics
Replies
11
Views
321
I How to know when a reversible process between end states exists?
    • Thermodynamics
Replies
12
Views
1K
I So what are the definitions of gas, liquid, solid?
    • Classical Physics
Replies
20
Views
998
I Empirical temperature scales using different thermometers
    • Classical Physics
Replies
7
Views
847

Hot Threads

Recent Insights

Back
Top