Determine the heat evolved in freezing water
Determine the heat evolved in freezing water at -10.°C, given that ΔH = -6004 J/mol at 273K for H2O(l) → H2O(s) and that CP,m(l) = 75.3 J/K⋅mol and CP,m(s) = 36.8J/K⋅mol.
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The pure optically active substance Z has a specific rotation of 1500. Determine the % optical purity (enantiomeric excess) of Z and what % Z and Z' does the sample contain?
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