Question: Question 3 Type numbers in the boxes. Ethyl chloride (CH_Cl) can be used as a topical anesthetic, for example prior to giving a painful injection.

Question 3 Type numbers in the boxes. Ethyl chloride (CH_Cl) can be used as a topical anesthetic, for example prior to giving a painful injection. When liquid ethyl chloride is sprayed 10 points on the skin, energy absorbed from the skin causes the liquid to evaporate. This numbs the injection site by quickly decreasing the skin temperature to near oC. How much heat (in kJ) is required to evaporate 7.61 mL of ethyl chloride at 25C? kJ For CH CI: d = 0.924 g/mL and AH, = 24.6 kJ/mol at 25C. vap
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