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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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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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    1. Platinum GATE Metallurgy Coaching |Providing Video Solutions and Concepts of Metallurgy since 2016 | Follow our channel, "C Patel Metallurgy" on Youtube for your GATE preparation

      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.

      Critical radius of nuclei

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