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Draw a heating curve and calculate the heat required for 1 mole of methanol beginning at 170 K and ending at 350 K.

Draw a heating curve and calculate the heat required for 1 mole of methanol beginning at 170 K and ending at 350 K.

Chemistry
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 #2 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?
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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