Question

It is observed that 3.23 kcal of energy are released when a 40.5 g sample of...

It is observed that 3.23 kcal of energy are released when a 40.5 g sample of an unknown liquid condenses.

What is the heat of vaporization of the unknown liquid in cal/g?

Heat of vaporization = ? cal/g

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Answer #1

Heal Yeleased- 3.93 kcal 323 x l3 al mass= Yo-s1 Heat Yeleased Heat ot Vapovi 3ation = mass 3-23X I03 (a E79.7530 86 Cal

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