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Ethyl Chloride,C2H5Cl,is Used as a Local Anesthetic

Question 73

Multiple Choice

Ethyl chloride,C2H5Cl,is used as a local anesthetic.It works by cooling tissue as it vaporizes;its heat of vaporization is 26.4 kJ mol-1.How much heat could be removed by 20.0 g of ethyl chloride?


A) 8.19 kJ
B) 341 kJ
C) 528 kJ
D) 3410 kJ

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