Question: Answer = : r=5, nr=2.29x108 /cm3 ; r=7 , nr=2.44x10-6 /cm3 ; r=10 , nr=4.8x10-36/cm3 For pure, liquid copper at its melting point, what is

Answer = : r=5, nr=2.29x108 /cm3 ; r=7 , nr=2.44x10-6 /cm3 ; r=10 , nr=4.8x10-36/cm3

For pure, liquid copper at its melting point, what is the Gibbs free energy of formation of a spherical crystalline cluster of solid (a nucleus of solid) of radius 5,7,10A? Estimate the concentration of such nuclei (r=5,7,10A). For copper: Melting temperature =1083C s1=200ergs/cm2 Heat of fusion =3120cal/mol Assume that the molar volume is 7.0cm3/mol for both solid and liquid

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