Use The Tables Below And To The Right To Answer The Following Questions You May Find It Helpful To Refer To The Heati 1 (56.24 KiB) Viewed 44 times
Use The Tables Below And To The Right To Answer The Following Questions You May Find It Helpful To Refer To The Heati 2 (56.24 KiB) Viewed 44 times
Use The Tables Below And To The Right To Answer The Following Questions You May Find It Helpful To Refer To The Heati 3 (64.88 KiB) Viewed 44 times
Use the tables below, and to the right, to answer the following questions. You may find it helpful to refer to the heating curve to decide what equations and values to use. Substance Chemical Formula Water Isopropyl alcohol Melting Point ("C) Diethyl ether H₂O 0.00 C₂H₂O -89.5 Acetone CHO -94.8 CH10O -116.3 6.02 5.37 Substance 5.69 7.27 Lead Gold Silver Copper Iron Hent of Fusion (kJ mol™¹) Aluminum Ethanol Water (liquid) Heat of Vaporization at 25°C (kJ mol-1) 44.0 45.4 31.0 27.1 Specific Heat Capacity (Cap) Jg-1 C-1 0.128 0.128 0.235 0.385 0.449 0.903 2.42 4.184 Normal Boiling Point (°C) 100,0 82.3 56.1 34.3 Heat of Vaporization at Boiling Point (kJ mol) 40.7 39.9 29.1 How much heat is needed to vaporize 7.24 mL of sweat from your skin (at 25 °C)? (Assume sweat is only water. Density - 0.9970 gml ¹ at 25°C) Show your work to support your answer.
Use the tables below, and to the right, to answer the following questions. You may find it helpful to refer to the heating curve to decide what equations and values to use. Substance Water Isopropyl alcohol Acetone Diethyl other Chemical Formula H₂O C₂H₂O CHO CAHIO Melting Point (C) 0.00 -89.5 -94.8 -116.3 6.02 5.37 Substance 5.69 7.27 Lead Gold Silver Copper Iron Heat of Fusion (kJ mol-¹) Aluminum Ethanol Water (liquid) Heat of Vaporization at 25°C (kJ mol-¹) 44.0 45.4 31.0 27.1 Specific Heat Capacity (Cup) Jg-1 C-1 0.128 0.128 0.235 0.385 0.449 0.903 2.42 4.184 Normal Boiling Point (°C) 56.1 34.5 100.0 82.3 Heat of Vaporization at Boiling Point (kJ mol-1) 40.7 39.9 29.1 26.5 To reduce swelling, a 250. g ice pack is placed over the inflamed area on the body. How much heat 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) Show your work to support your answer.
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