Ethyl Chloride,C₂H₅Cl,is Used as a Local Anesthetic

question 45

Multiple Choice

Ethyl chloride,C₂H₅Cl,is used as a local anesthetic.It works by cooling tissue as it vaporizes.The heat of vaporization is 26.4 kJ/mol.How much heat could be removed by 60.0 g of ethyl chloride?

• A)24.6 kJ
• B)1584 kJ
• C)2.28 kJ
• D)1703 kJ

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