Energetics of Phase Change Use the table below to help answer the following questions: Methanol Water O°C Benzene Melting Point Boiling Point 176 K 5.4 °C 338 K 100 °C 90.1 °C 333 J/g 2,260 J/g 2.09 J/g °C | 4.18 J/g °C 2.01 J/g °C AH fusion 2.2 kJ/mol 9.9 kJ/mol 30.7 kJ/mol | AH vaporization Cs, solid Cs, liquid Cs, gas 35.2 kJ/mol 105 J/mol K 81.3 J/mol K 48 J/mol K 118 J/mol °C 135 J/mol °C 104 J/mol °C 1) Draw a heating curve and calculate how much heat (in kJ) is evolved in converting 1.00 mol of steam at 145 °C to ice at -50 °C?
Energetics of Phase Change Use the table below to help answer the following questions: Methanol Water O°C Benzene Melting Point Boiling Point 176 K 5.4 °C 338 K 100 °C 90.1 °C 333 J/g 2,260 J/g 2.09 J/g °C | 4.18 J/g °C 2.01 J/g °C AH fusion 2.2 kJ/mol 9.9 kJ/mol 30.7 kJ/mol | AH vaporization Cs, solid Cs, liquid Cs, gas 35.2 kJ/mol 105 J/mol K 81.3 J/mol K 48 J/mol K 118 J/mol °C 135 J/mol °C 104 J/mol °C 1) Draw a heating curve and calculate how much heat (in kJ) is evolved in converting 1.00 mol of steam at 145 °C to ice at -50 °C?
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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I only need help with #1 please
![Energetics of Phase Change
Use the table below to help answer the following questions:
Methanol
Water
Benzene
Melting Point
Boiling Point
176 K
0°C
5.4 °C
338 K
100 °C
90.1 °C
2.2 kJ/mol
35.2 kJ/mol
105 J/mol K
81.3 J/mol K
48 J/mol K
333 J/g
2,260 J/g
2.09 J/g °C
4.18 J/g °C
2.01 J/g °C
9.9 kJ/mol
30.7 kJ/mol
118 J/mol °C
135 J/mol °C
104 J/mol °C
AH fusion
AH vaporization
Cs, solid
Cs, liquid
Cs, gas
1) Draw a heating curve and calculate how much heat (in kJ) is evolved in converting 1.00 mol of steam at
145 °C to ice at -50 °C?
2) Draw a heating curve and calculate the heat required for 1 mole of methanol beginning at 170 K and
ending at 350 K.
3) What properties of a molecule will influence the enthalpy of vaporization and how?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4c555fdd-33c8-4088-bc42-b4a0f7dcd534%2F1379896d-0cf0-4360-bff6-fa12ed210bbf%2Fe7f23m7_processed.png&w=3840&q=75)
Transcribed Image Text:Energetics of Phase Change
Use the table below to help answer the following questions:
Methanol
Water
Benzene
Melting Point
Boiling Point
176 K
0°C
5.4 °C
338 K
100 °C
90.1 °C
2.2 kJ/mol
35.2 kJ/mol
105 J/mol K
81.3 J/mol K
48 J/mol K
333 J/g
2,260 J/g
2.09 J/g °C
4.18 J/g °C
2.01 J/g °C
9.9 kJ/mol
30.7 kJ/mol
118 J/mol °C
135 J/mol °C
104 J/mol °C
AH fusion
AH vaporization
Cs, solid
Cs, liquid
Cs, gas
1) Draw a heating curve and calculate how much heat (in kJ) is evolved in converting 1.00 mol of steam at
145 °C to ice at -50 °C?
2) Draw a heating curve and calculate the heat required for 1 mole of methanol beginning at 170 K and
ending at 350 K.
3) What properties of a molecule will influence the enthalpy of vaporization and how?
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