1. Give brief answers (a) Give an example of a process in which a system is...

1. Give brief answers

(a) Give an example of a process in which a system is not heated, but its temperature increases. Explain this process on the basis of the 1st law of thermodynamics.

(b) You brought a cup of hot coffee to a classroom. After a while, the coffee cooled down to room temperature. How did the entropy of the coffee change in this process? How did the entropy of the Universe vary in this process, where the Universe consisted of the coffee and its surroundings?

(c) Consider a homogeneous fluid with a positive temperature, a fixed volume and a fixed number of particles. If the energy of this system 1 increases, then how does its entropy change?

This is a thermal and statistical physics question kindly help answer thanks!

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genius_generous answered 1 year ago

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