1. From the data below, calculate the total heat (in J) needed to convert 0.333 mol of gaseous ethanol at 300.°C and 1.00 atm to liquid ethanol at 25.0°C and 1.00 atm. Boiling point of ethanol at 1.00 atm: 78.5°C Cgas = 1.43 J/gºC AH vap = 40.5 kJ/mol Cliquid = 2.45 1/g°C Show your calculation setup clearly, and pay attention to units and sig figs in the answer.

1. From the data below, calculate the total heat (in J) needed to convert 0.333 mol of gaseous ethanol at 300.°C and 1.00 atm to liquid ethanol at 25.0°C and 1.00 atm. Boiling point of ethanol at 1.00 atm: 78.5°C Cgas = 1.43 J/gºC AH vap = 40.5 kJ/mol Cliquid = 2.45 1/g°C Show your calculation setup clearly, and pay attention to units and sig figs in the answer.

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

Give typed solution only

1. From the data below, calculate the total heat (in J) needed to convert 0.333 mol of
gaseous ethanol at 300.°C and 1.00 atm to liquid ethanol at 25.0°C and 1.00 atm.
Boiling point of ethanol at 1.00 atm: 78.5°C
Cgas = 1.43 J/gºC
AHvap = 40.5 kJ/mol
Cliquid = 2.45 J/g°C
Show your calculation setup clearly, and pay attention to units and sig figs in the
answer.
2. Assume three sig figs throughout this problem. Methane (CH₂) has a bp of -164°C
at 1 atm, and a vapor pressure of 42.8 atm at -100°C, What is the heat of
vaporization of CH₂?
Show your calculation setup clearly, and pay attention to units and sig figs in the
answer.

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