What is the change in entropy of the lead when 2.0 kg of molten lead at its melting point temperature solidifies.
1 answer:
Answer: The change in entropy of the lead when 2.0 kg of molten lead at its melting point temperature solidifies is 20 cal/K.
Explanation:
T is the temperature at which the process is carried out, here the temperature is constant, 327.5°C = ,because only phase change occurs.
q = heat given in the process =
m = mass of lead = 2.0 kg
= latent heat of fusion of lead = 5.9 kcal/kg
Thus the change in entropy of the lead when 2.0 kg of molten lead at its melting point temperature solidifies is 20 cal/K.
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