At 1 atm, the melting point of ethanol (CH3CH₂OH) is -114.1 °C and the boiling point is 78.2 °C. Use C, = 2.57 J/(g-°C) for the specific heat of liquid ethanol. CH₂CH₂OH(s)=CH₂CH₂OH (1), AHfus = 4.90 kJ/mol CH₂CH₂OH()=CH₂CH₂OH (g), AHvap = 42.32 kJ/mol Calculate the heat (in kJ) necessary to completely boil 115.1 g of liquid ethanol initially at 26.5 °C. 27.535244908 kJ 15398.953005 kJ O90.43788294 kJ 121.02432674 kJ 15.2932219 kJ

At 1 atm, the melting point of ethanol (CH3CH₂OH) is -114.1 °C and the boiling point is 78.2 °C. Use C, = 2.57 J/(g-°C) for the specific heat of liquid ethanol. CH₂CH₂OH(s)=CH₂CH₂OH (1), AHfus = 4.90 kJ/mol CH₂CH₂OH()=CH₂CH₂OH (g), AHvap = 42.32 kJ/mol Calculate the heat (in kJ) necessary to completely boil 115.1 g of liquid ethanol initially at 26.5 °C. 27.535244908 kJ 15398.953005 kJ O90.43788294 kJ 121.02432674 kJ 15.2932219 kJ

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

Hw.17.

At 1 atm, the melting point of ethanol (CH3CH₂OH) is -114.1 °C and the boiling point is 78.2 °C. Use C, = 2.57 J/(g-°C) for the
specific heat of liquid ethanol.
CH₂CH₂OH(s)=CH₂CH₂OH
(1), AHfus = 4.90 kJ/mol
CH₂CH₂OH()=CH₂CH₂OH (g), AHvap = 42.32 kJ/mol
Calculate the heat (in kJ) necessary to completely boil 115.1 g of liquid ethanol initially at 26.5 °C.
27.535244908 kJ
O15398.953005 kJ
90.43788294 kJ
121.02432674 kJ
15.2932219 kJ

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