Ethanol (C2H5OH)(C2H5OH) melts at --114 .C.C and boils at 78 .C.C. The enthalpy of fusion of ethanol is 5.02 kJ/molkJ/mol, and its enthalpy of vaporization is 38.56 kJ/molkJ/mol. The specific heat of solid and liquid ethanol are 0.97 and 2.3 J/(g:KJ/(g:K), respectively. How much heat is required to convert 46.0 g of ethanol at -152 °C to the vapor phase at 78 °C? Express your answer in kilojoules to two significant figures. 15. ΑΣΦ kJ How much heat is required to convert 46.0 g of ethanol at 34 °C to the vapor phase at 78 °C? Express your answer in kilojoules to three significant figures. —| ΑΣΦ ? kJ
Ethanol (C2H5OH)(C2H5OH) melts at --114 .C.C and boils at 78 .C.C. The enthalpy of fusion of ethanol is 5.02 kJ/molkJ/mol, and its enthalpy of vaporization is 38.56 kJ/molkJ/mol. The specific heat of solid and liquid ethanol are 0.97 and 2.3 J/(g:KJ/(g:K), respectively. How much heat is required to convert 46.0 g of ethanol at -152 °C to the vapor phase at 78 °C? Express your answer in kilojoules to two significant figures. 15. ΑΣΦ kJ How much heat is required to convert 46.0 g of ethanol at 34 °C to the vapor phase at 78 °C? Express your answer in kilojoules to three significant figures. —| ΑΣΦ ? kJ
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 20PS: Chloromethane, CH3CI, arises from microbial fermentation and is found throughout the environment. It...
Related questions
Concept explainers
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Question
100%
Transcribed Image Text:Ethanol (C2H5OH)(C2H5OH) melts at --114 CoC and boils at 78 .C.C. The enthalpy of fusion of
ethanol is 5.02 kJ/molkJ/mol, and its enthalpy of vaporization is 38.56 kJ/molkJ/mol. The specific heat
of solid and liquid ethanol are 0.97 and 2.3 J/(g:KJ/(g:K), respectively.
How much heat is required to convert 46.0 g of ethanol at -152 °C to the vapor phase at 78 °C?
Express your answer in kilojoules to two significant figures.
10 ΑΣΦ
Q=
kJ
How much heat is required to convert 46.0 g of ethanol at 34 °C to the vapor phase at 78 °C?
Express your answer in kilojoules to three significant figures.
—| ΑΣΦ
kJ
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
General Chemistry - Standalone book (MindTap Cour…
Chemistry
ISBN:
9781305580343
Author:
Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning