In 52 kg of an iron-carbon alloy and at a temperature just below the eutectoid temperature, the mass of total cementite is 3.8 ku (a) What is the proeutectoid phase in this alloy? What is the carbon concentration in this phase? (b) Calculate the mass of pearlite in this alloy at this temperature. (a) wt%C (b) 40.8 kg

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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.