Statistical mechanics

In summary, classical statistical mechanics is a useful tool for explaining the properties of gases due to its simplicity and ability to handle a large number of molecules. However, it may encounter issues when trying to predict the behavior of individual molecules and their interactions, leading to potential inaccuracies in its results.
  • #1
imy786
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Homework Statement



describe one significant success and one troublesome failure encountered when classical statistical mechanics is used to explain the properties of gases.

(7 marks)

Homework Equations





The Attempt at a Solution



success- it is simple to and it would fit the ideal world..

problem- we do not live in an ideal world, and differnt gases have differnt properties...
 
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  • #2
Were I grading this, I would want a bit more specifics. We want a bit more specifics here at PF also.
 
  • #3
Think 7 marks, so I need to make 7 points.
 
  • #4
statistical mechanics concetrates on only on average behaviour of gases, using assumpitons about the likelohood of differnt possibilites.

this avoides the use of details Newtonion calculation and turns the burden of enormouse number of molecules into an asset.

the good thing is the large number of molecules helps to ensure the relaibiility of the statsitcal mechincs.
 

1. What is statistical mechanics?

Statistical mechanics is a branch of physics that uses statistical methods to study the behavior of large ensembles of particles. It aims to explain the macroscopic behavior of a system (such as temperature and pressure) in terms of the microscopic behavior of individual particles.

2. What is the difference between statistical mechanics and thermodynamics?

Thermodynamics deals with macroscopic properties of a system, such as temperature and pressure, while statistical mechanics focuses on the microscopic behavior of individual particles. Statistical mechanics provides a more detailed and fundamental understanding of thermodynamic behavior.

3. How does statistical mechanics relate to quantum mechanics?

Statistical mechanics uses the principles of quantum mechanics to describe the behavior of particles at the microscopic level. It provides a bridge between the microscopic world of quantum mechanics and the macroscopic world of classical thermodynamics.

4. What is the role of probability in statistical mechanics?

In statistical mechanics, probability plays a crucial role in determining the behavior of a system. It is used to describe the likelihood of a particle being in a certain state or having a certain energy. Probability distributions are also used to describe the behavior of large ensembles of particles.

5. What are some practical applications of statistical mechanics?

Statistical mechanics has many practical applications, including understanding the behavior of gases, solids, and liquids, and predicting phase transitions. It is also used in the development of materials and in the study of biological systems, such as protein folding.

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