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

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Direction: Graph the heating curve of ethanol using the information given. Check off cach
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 of Ethanol
70
50
40
30
20
10
-20
-10
40
-50
-70
90
100
110
120
01 2 3 4567 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (min) Heat is added
Temperature ("C)

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