Diethyl Ether, (CH₃CH₂)₂O, Used as a Solvent for Extraction of Organic

question 129

Multiple Choice

Diethyl ether, (CH₃CH₂) ₂O, 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°C to 10.0°C?

• A) 10.1 kJ
• B) 16.1 kJ
• C) 21.6 kJ
• D) 35.1 kJ
• E) 48.6 kJ

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