Diethyl Ether, Used as a Solvent for Extraction of Organic $\degree$

Diethyl ether, used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 100.0 g is cooled from 53.0 $\degree$ C to 10.0 $\degree$ C?
Boiling point: 34.5 $\degree$ C
Heat of vaporization: 351 J/g
Specific heat capacity, (CH₃) ₂O(l) : 3.74 J/(g ? K)
Specific heat capacity, (CH₃) ₂O(g) : 2.35 J/(g ? K)

A) 10.1 kJ
B) 13.1 kJ
C) 16.1 kJ
D) 45.2 kJ
E) 48.6 kJ

Correct Answer:

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