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Calculate the enthalpy HF? If Cp= 0.825, W=32 and Tref=15^C, at room temperature

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Calculate the enthalpy HF? If Cp= 0.825, W=32 and Tref=15^C, at room temperature

(a) 119 kcal/kmol

(b) 78 kcal/kmol

(c) 700 kcal/kmol

(d) 70 kcal/kmol

This question was posed to me by my college professor while I was bunking the class.

This interesting question is from Simple Distillation in portion Batch Distillation of Distillation Design

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The correct option is (a) 119 kcal/kmol

Easy explanation: As Hf = (0.825) (32) (25-15) =119 kcal/kmol.

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