The missing
(a)
ΔHo fus ___ kJ/mol
ΔSo fus ___J/K . Mol
Tmelt ___Co
(b)
ΔHo vap ___ kJ/mol
ΔSo vap ___J/K . mol
Tbolt ___Co
Be sure to answer all parts. Using data from your text and assuming that the tabulated values do not change with temperature, (a) calculate AH and AS fus AHO fus 2.60 Asº AS fus 20.8 Tmelt 97.8 and AS for sodium metal and determine the melting temperature of sodium. fus x'mol XX. mol
0 (b) calculate AH ΔΗ 0 vap 97.42 450 vap 20.8 Tboil 883 mol vap XX. mol and AS 0 for sodium metal and determine the boiling temperature of sodium. vap
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