GATE MT 2016 Q.43 The critical nucleus size (in nm) when copper melt is under-cooled by 100 K is Given data: Melting point: 1356 K Density: 8900 kg.m-3 Solid-liquid interfacial energy: 0.5 Jm-2 Latent heat of freezing:13000 J.mol-1 Molar volume: 7*10-6 m-3mol-1
GATE MT 2016 Q.43 The critical nucleus size (in nm) when copper melt is under-cooled by 100 K is Given data: Melting point: 1356 K Density: 8900 kg.m-3 Solid-liquid interfacial energy: 0.5 Jm-2 Latent heat of freezing:13000 J.mol-1 Molar volume: 7*10-6 m-3mol-1
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In this question marks were given to all because molar volume unit is wrong, the correct unit is m3mole-1 Ignoring that mistake, the calculation is done below.
In this question marks were given to all because molar volume unit is wrong, the correct unit is m3mole-1
Ignoring that mistake, the calculation is done below.

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