Second law of thermodynamic and probability

In summary, the second law of thermodynamics states that in any closed system, the total amount of energy remains constant, but the amount of usable energy decreases over time. It is closely related to the concept of probability, as it explains why natural processes tend towards a state of higher disorder or entropy. The second law cannot be violated and has a major impact on the universe, including the constant expansion and disordered state of the universe. In everyday life, the second law has practical applications such as understanding why things break down and the efficiency of engines.
  • #1
paweld
255
0
In my opinion the nature of the second law of thermodynamic is probabilistic
and it sholud be formulated in a way which determine probability that given
proces occurs (the probability should depened on the tatal entropy change,
if its negative the proces is very unlikely but in principle possible).
What do you think about it?
 
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  • #2
Entropy is indeed directly related to the probability of a state.
https://www.physicsforums.com/showthread.php?p=2800780
However entropy makes no statements about processes or time dependence. It only considers the distribution of states provided all processes are completely random.
 

Related to Second law of thermodynamic and probability

1. What is the second law of thermodynamics?

The second law of thermodynamics states that in any closed system, the total amount of energy remains constant, but the amount of usable energy decreases over time.

2. How does the second law of thermodynamics relate to probability?

The second law of thermodynamics is closely related to the concept of probability. It states that in any natural process, the system will tend towards a state of higher disorder or entropy. This means that there are more possible disordered states than ordered states, making it more probable for the system to move towards a state of higher entropy.

3. Can the second law of thermodynamics be violated?

No, the second law of thermodynamics is a fundamental law of nature and cannot be violated. It is supported by countless experiments and observations and is a cornerstone of modern physics.

4. How does the second law of thermodynamics affect the universe?

The second law of thermodynamics has a major impact on the universe as a whole. It explains why the universe is constantly expanding and becoming more disordered. It also plays a crucial role in the formation and evolution of stars, planets, and other celestial bodies.

5. How is the second law of thermodynamics relevant to everyday life?

The second law of thermodynamics has many practical applications in everyday life. It helps us understand why things break down, why it is difficult to keep a room clean, and why it is harder to maintain a healthy weight as we age. It also plays a role in the efficiency of engines and other machines.

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