What is the change in energy when the temperature of a 125 g sample of benzene at 62 °Cis raised to 152 °C? Benzene has a molar mass of 78.11 g/mol.The following physical data may be useful:AHvap = 33.9 kJ/molAH fus = 9.8 kJ/molCliq = 1.73 J/g°CCgas 1.06 J/g°CCsol = 1.51 J/g °CTmelting = 6.0 °CTboiling = 80.0 °C=74.4 kJ-67.7 kJO +67.7 kJO-74.4 kJ+38.9 kJ-38.9 kJ

We have to calculate the energy added to 125 g benzene to raise it's temperature from 62oC to 152oC

Answered: +67.7 kJ -74.4 kJ O +38.9 kJ

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Chemistry

+67.7 kJ -74.4 kJ O +38.9 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

What is the change in energy when the temperature of a 125 g sample of benzene at 62 °C
is raised to 152 °C? Benzene has a molar mass of 78.11 g/mol.
The following physical data may be useful:
AHvap = 33.9 kJ/mol
AH fus = 9.8 kJ/mol
Cliq = 1.73 J/g°C
Cgas 1.06 J/g°C
Csol = 1.51 J/g °C
Tmelting = 6.0 °C
Tboiling = 80.0 °C
=
74.4 kJ
-67.7 kJ
O +67.7 kJ
O-74.4 kJ
+38.9 kJ
-38.9 kJ

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