Chapter 7- Solids, Liquids, Phase Changes Page 5 of 6 10. (10 pts) How much heat is needed to vaporize 7.24 ml. of sweat

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Chapter 7 Solids Liquids Phase Changes Page 5 Of 6 10 10 Pts How Much Heat Is Needed To Vaporize 7 24 Ml Of Sweat 1 (31.76 KiB) Viewed 25 times

Chapter 7- Solids, Liquids, Phase Changes Page 5 of 6 10. (10 pts) How much heat is needed to vaporize 7.24 ml. of sweat from your skin (at 25 "C) (Asume sweat is only water. Denaity=0.9070 gmL-1 at 25 "C) 11. (10 pts) A sample of an unknown metal, with mass 22.5 g. rises in temperature by 4.80 °C when 25.43 of heat are added. What element is the metal sample made from? 11. 12. (10 pts) To reduce swelling, a 250. g ice pack is placed over the inflamed area on the body. How much beat will it take (total) to melt the ice and warm up the liquid water to body temperature (37.0 "C)? (Assume the temperature of the solid ice starts at the melting point) 12. V20180514