Find the entropy of the first and second states, (b) What is the state of steam before expansion? (c) What is the quality of steam right after it has expanded?

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Q: can you help me with this question that i found online

A: refer to the explanation section for Question 2, and Question 2.Explanation:

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Q: Hi, can you please help me with this entropy problem?

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.