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4- Iron ( Fe) undergoes an allotropic transformation at 912C : upon heating from a BCC (a phase) to an FCC ( y phase). Accompanying

4- Iron ( Fe) undergoes an allotropic transformation at 912C : upon heating from a BCC (a phase) to an FCC ( y phase). Accompanying this transformation is a change in the atomic radius of Fe-from rbcc=0.12584nm to rfcc=0.12894nm-and, in addition, a change in density (and volume). Compute the percentage volume change associated with this reaction. Does the volume increase or decrease? The atomic weight of Fe is 55.85g/mol. 4- Iron ( Fe) undergoes an allotropic transformation at 912C : upon heating from a BCC (a phase) to an FCC ( y phase). Accompanying this transformation is a change in the atomic radius of Fe-from rbcc=0.12584nm to rfcc=0.12894nm-and, in addition, a change in density (and volume). Compute the percentage volume change associated with this reaction. Does the volume increase or decrease? The atomic weight of Fe is 55.85g/mol

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