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How does entropy change in an adiabatic process?
In an adiabatic process, entropy remains constant.
What is the relationship between entropy and adiabatic expansion?
During adiabatic expansion, entropy remains constant. This means that as a gas expands without gaining or losing heat, its entropy does not change.
What typically happens to the amount of entropy?
It increases. Once it reaches its maximum value, it remains constant. This is not just "typical", it is unavoidable.
T-S diagram of in compressible fluid flow?
In the T-S diagram for incompressible fluid flow, the specific volume remains constant, resulting in vertical lines on the diagram. The process line in the T-S diagram would be a vertical line, parallel to the entropy axis. This is because the entropy remains constant for incompressible flow.
Is it true that the entropy of a system decreases over time?
false
In which of the following processes is it possible that entropy would stay constant: isothermal expansion?
In an isothermal expansion process, it is possible for entropy to stay constant.
How does the principle of entropy conservation apply to the process of heat transfer in a closed system?
The principle of entropy conservation states that in a closed system, the total entropy remains constant or increases over time. In the process of heat transfer within a closed system, entropy is generated due to the random movement of molecules. This means that as heat is transferred, the entropy of the system increases, leading to a more disordered state.
What is isentropic materials?
Isentropic materials are materials that undergo a reversible, adiabatic process where there is no change in entropy. This means that the material experiences no energy transfer as heat, and its entropy remains constant during the process. Isentropic materials are often used in thermodynamic studies and calculations.
What is the relationship between the change in entropy at constant volume and the thermodynamic property of a system?
The change in entropy at constant volume is related to the thermodynamic property of a system because entropy is a measure of the disorder or randomness of a system. When there is a change in entropy at constant volume, it indicates a change in the system's internal energy and the distribution of energy within the system. This change in entropy can provide insights into the system's behavior and its thermodynamic properties.
When someone order something don't he reduce entropy of the universe?
No. You can reduce the entropy of some system, but that will be at the cost of an entropy increase somewhere else. This is because it costs energy to put something in order. The TOTAL entropy in the Universe will always increase. For example, the entropy on planet Earth probably remains more or less constant over millions of years - but we do so using energy, mainly from the Sun, and the fact that energy from the Sun radiates into space is an increase of entropy; much greater than any small change of entropy on our planet.
Process where entropy remains the same?
A process where entropy remains the same is an isentropic process. In an isentropic process, there is no net change in the entropy of the system. This typically occurs when there is no heat transfer and the system is adiabatic and reversible.
Which thermodynamic law has to do with entropy?
The second law of thermodynamics is closely related to entropy, stating that the total entropy of an isolated system can never decrease over time. This law provides a direction for natural processes, indicating that systems tend to move towards higher entropy states.
