12.370 g of pure liquid methanol at 37 °C is converted to gaseous methanol at 274 °C at constant pressure. The process occurs in three steps; one step in liquid state, and two steps in gaseous state. Methanol Data boiling point 64.6 °C 1.25 J/g °C molar mass 32 g/mol Cgas 2.14 J/g °C 35-27 kJ/mol Cliquid AHvap With reference to the above data answer the following questions. A. The temperature change in the liquid state (step one) is: The mathematical operation for calculating the heat transferred (q.) during step one is: • Unit B. The mathematical operation for calculating the heat transferred (q=) during step two (at the boiling point) is: • Unit С. The temperature change in the gaseous state is: The mathematical operation for calculating the heat transferred (q,) during step three is: • Unit D. Suppose that the heat transferred during each of the above steps is q. = 378 J, q = 7.853 kJ, and q, = 384 J The mathematical operation for calculating the total heat transferred (qrota) throughout the whole process is: total = Unit
12.370 g of pure liquid methanol at 37 °C is converted to gaseous methanol at 274 °C at constant pressure. The process occurs in three steps; one step in liquid state, and two steps in gaseous state. Methanol Data boiling point 64.6 °C 1.25 J/g °C molar mass 32 g/mol Cgas 2.14 J/g °C 35-27 kJ/mol Cliquid AHvap With reference to the above data answer the following questions. A. The temperature change in the liquid state (step one) is: The mathematical operation for calculating the heat transferred (q.) during step one is: • Unit B. The mathematical operation for calculating the heat transferred (q=) during step two (at the boiling point) is: • Unit С. The temperature change in the gaseous state is: The mathematical operation for calculating the heat transferred (q,) during step three is: • Unit D. Suppose that the heat transferred during each of the above steps is q. = 378 J, q = 7.853 kJ, and q, = 384 J The mathematical operation for calculating the total heat transferred (qrota) throughout the whole process is: total = Unit
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:12.370 g of pure liquid methanol at 37 °C is converted to gaseous methanol at 274 °C at constant pressure.
The process occurs in three steps; one step in liquid state, and two steps in gaseous state.
Methanol Data
boiling point 64.6 °C
1.25 J/g °C
molar mass 32 g/mol
Cgas
Cliquid
2.14 J/g °C
AHvap
35-27 kJ/mol
With reference to the above data answer the following questions.
A.
The temperature change in the liquid state (step one) is:
The mathematical operation for calculating the heat transferred (q.) during step one is:
4. =
* Unit
В.
The mathematical operation for calculating the heat transferred (q=) during step two (at the boiling point) is:
9. =
* Unit
C.[
The temperature change in the gaseous state is:
The mathematical operation for calculating the heat transferred (q) during step three is:
• Unit
D.
Suppose that the heat transferred during each of the above steps is q, = 378 J, q. = 7.853 kJ, and q, = 384 J
The mathematical operation for calculating the total heat transferred (qtotal) throughout the whole process is:
total =
Unit
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