Diethyl Ether,used as a Solvent for Extraction of Organic Compounds

question 88

Multiple Choice

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°C to 10.0°C?

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

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