Direction: Graph the heating curve of ethanol using the information given. Check off each item as you add additional information to your graph so that none is missed. Background information of Ethanol: Boiling Point = 78 °C Melting Point --114 °C Starting Temperature - -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "melting" where this takes place. 5. Label "vaporization" where this takes place. 6. Label "phase change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: weakest IMF, strongest IMF, and medium IMF. Heating Curve ef Ethanol 70 50 40 30 20 10 -20 -30 40 -50 40 -70 90 100 110 01234567 S9 10 11 12 13 14 15 16 17 18 19 20 Time (min) Heat is added 6) aamesadu

Direction: Graph the heating curve of ethanol using the information given. Check off each item as you add additional information to your graph so that none is missed. Background information of Ethanol: Boiling Point = 78 °C Melting Point --114 °C Starting Temperature - -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "melting" where this takes place. 5. Label "vaporization" where this takes place. 6. Label "phase change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: weakest IMF, strongest IMF, and medium IMF. Heating Curve ef Ethanol 70 50 40 30 20 10 -20 -30 40 -50 40 -70 90 100 110 01234567 S9 10 11 12 13 14 15 16 17 18 19 20 Time (min) Heat is added 6) aamesadu

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter15: Gases,liquids, And Solids

Section: Chapter Questions

Problem 86E

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