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Questions and Answers
Discuss the concept of entropy and its significance in thermodynamics.
Entropy is a measure of the disorder or randomness in a system. It is significant in thermodynamics because it helps to understand the direction of natural processes and the availability of energy for doing work.
Explain the first law of thermodynamics and provide an example to illustrate its application.
The first law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another. An example of this is the energy transfer that occurs in a car engine, where chemical energy in fuel is transformed into mechanical energy for the car to move.
Explain the difference between an open, closed, and isolated system in thermodynamics, and provide an example of each.
An open system allows the transfer of both matter and energy with its surroundings, such as a pot of boiling water. A closed system allows the transfer of energy but not matter, like a sealed container of gas. An isolated system does not allow the transfer of either matter or energy, such as a thermos bottle with a stopper.
