Saturated steam at P1=25 bar expands adiabatically through a throttling valve to P2=4 bar. If the quality of the steam at the valve inlet is x1=0.9 what is the quality x2 at the valve outlet Please respond ASAP

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A: The given data in the problem is shown in the following attached image:

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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.