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Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(l) → H₂O(g) A Hxn +44.01 kJ Part A Estimate the mass of water that must evaporate from the skin to cool the body by 1.20 °C. Assume a body mass of 85.0 kg and assume that the specific heat capacity of the body is 4.00 J/g.° C. Express your answer in grams to three significant figures. m = 15| ΑΣΦΑ ? g

Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(l) → H₂O(g) A Hxn +44.01 kJ Part A Estimate the mass of water that must evaporate from the skin to cool the body by 1.20 °C. Assume a body mass of 85.0 kg and assume that the specific heat capacity of the body is 4.00 J/g.° C. Express your answer in grams to three significant figures. m = 15| ΑΣΦΑ ? g

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.111QP: In a calorimetric experiment, 6.48 g of lithium hydroxide, LiOH, was dissolved in water. The...
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Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(1)→ H₂O(g) ▲ Hrxn +44.01 kJ = Part A Estimate the mass of water that must evaporate from the skin to cool the body by 1.20 °C. Assume a body mass of 85.0 kg and assume that the specific heat capacity of the body is 4.00 J/g ° C. Express your answer in grams to three significant figures. m = VE ΑΣΦ ? 8.0 g
Transcribed Image Text:Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(1)→ H₂O(g) ▲ Hrxn +44.01 kJ = Part A Estimate the mass of water that must evaporate from the skin to cool the body by 1.20 °C. Assume a body mass of 85.0 kg and assume that the specific heat capacity of the body is 4.00 J/g ° C. Express your answer in grams to three significant figures. m = VE ΑΣΦ ? 8.0 g
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