Variation of energy but constant entropy

In summary, varying energy refers to changes in the amount of energy in a system, while constant entropy means that the level of disorder or randomness within the system remains the same. It is possible for a system to have fluctuating levels of energy while maintaining a constant level of entropy. Varying levels of energy can affect the entropy by changing the organization or randomness of particles, but as long as the overall disorder remains constant, the entropy will also remain constant. The law of conservation of energy still applies to systems with constant entropy, as the total energy may vary but the overall amount remains the same. An example of a system with varying energy but constant entropy is a pot of boiling water, where the energy increases as the heat source is turned on
  • #1
SHCampos
5
0
Hello;

If a system receives a thermal energy Q, can it keep its entropy constant (that is, with equal value before it receives the energy) without wasting the energy received?
 
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  • #2
SHCampos said:
Hello;

If a system receives a thermal energy Q, can it keep its entropy constant (that is, with equal value before it receives the energy) without wasting the energy received?
Are you familiar with the Carnot cycle?
 

1. What does it mean for energy to vary but entropy to remain constant?

This means that while the amount of energy in a system may change, the level of disorder or randomness (entropy) within the system remains constant.

2. Can a system have varying energy and constant entropy?

Yes, it is possible for a system to have fluctuating levels of energy while maintaining a constant level of entropy.

3. How does variation of energy affect the entropy of a system?

Varying levels of energy in a system can affect the entropy by changing the organization or randomness of the particles within the system. However, as long as the overall level of disorder remains constant, the entropy will also remain constant.

4. Does the law of conservation of energy apply to systems with constant entropy?

Yes, the law of conservation of energy still applies to systems with constant entropy. While the total energy may vary, the overall amount of energy in the system will remain the same.

5. What is an example of a system with varying energy but constant entropy?

A common example is a pot of boiling water. As the heat source is turned on, the energy in the water increases, causing the water molecules to move more rapidly and increase in temperature. However, the overall randomness of the particles (entropy) remains constant as the water remains in a liquid state.

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