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Metallurgical Engineering · Q43

Metallurgical Thermodynamics and Kinetics

Engineering and GATE · Metallurgical Engineering · question 43

Q43

Melting point of a metal is 1356 K. When the liquid metal is undercooled to 1256 K, the free energy change for solidification, ΔGL-S = - 1000 J mol-1. On the other hand, if the liquid metal is undercooled to 1200 K, the free energy change (in J mol-1) for solidification is

A.
-950
B.
-1150
C.
-1550
Answer
D.
-1950

Answer: Option C

Solution

Answer: Option C
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