Problem: How much energy is required to vaporize 98.6 g of ethanol (C 2H5OH) at its boiling point, if its ΔH vap is 40.5 kJ/mol? A) 39.9 kJ B) 11.5 kJ C) 52.8 kJ  D) 86.7 kJ E) 18.9 kJ

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How much energy is required to vaporize 98.6 g of ethanol (C 2H5OH) at its boiling point, if its ΔH vap is 40.5 kJ/mol?

A) 39.9 kJ

B) 11.5 kJ

C) 52.8 kJ

D) 86.7 kJ

E) 18.9 kJ

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Our tutors have indicated that to solve this problem you will need to apply the Heating and Cooling Curves concept. You can view video lessons to learn Heating and Cooling Curves. Or if you need more Heating and Cooling Curves practice, you can also practice Heating and Cooling Curves practice problems.

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