Homework Help is Here – Start Your Trial Now!
Science
Chemistry
22. An ideal solution contains 92. 1 g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr

22. An ideal solution contains 92. 1 g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr

Chemistry & Chemical Reactivity
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
Chapter13: Solutions And Their Behavior
Section: Chapter Questions
Problem 71GQ: An aqueous solution containing 10.0 g of starch per liter has an osmotic pressure of 3.8 mm Hg at 25...
See similar textbooks
icon
Related questions
Question
22. An ideal solution contains 92. 1g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr 23. Salt could be added to ice to lower the melting temperature of the ice so it easily freezes the ice cream mixture. If 3.5 m of salt was added to ice, determine its new freezing point. A. 6.0 °C D. -6.5 °C C. 6.5 °C B. -6.0 °C 24. Two moles of aluminum was heated from 45 °C to 93 °C. Calculate the amount of heat absorbed by aluminum. Specific heat of Al= 0.90 J/g-K A. 1333 J 4333 J B. 2333 J C. 3333 J D. 25. Calculate the standard enthalpy change, AH, for the following reaction: 2CH,OH, + 30 2 CO+4H,O Given: AHP = -238.7 kJ/mol AH = -393.5 kJ/mol AH = -285.8 kJ/mol CH,OH H,O A. -918 kJ/mol B. +918 kJ/mol C. -1452.8 kJ/mol D. +1452.8 kJ/mol
Transcribed Image Text:22. An ideal solution contains 92. 1g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr 23. Salt could be added to ice to lower the melting temperature of the ice so it easily freezes the ice cream mixture. If 3.5 m of salt was added to ice, determine its new freezing point. A. 6.0 °C D. -6.5 °C C. 6.5 °C B. -6.0 °C 24. Two moles of aluminum was heated from 45 °C to 93 °C. Calculate the amount of heat absorbed by aluminum. Specific heat of Al= 0.90 J/g-K A. 1333 J 4333 J B. 2333 J C. 3333 J D. 25. Calculate the standard enthalpy change, AH, for the following reaction: 2CH,OH, + 30 2 CO+4H,O Given: AHP = -238.7 kJ/mol AH = -393.5 kJ/mol AH = -285.8 kJ/mol CH,OH H,O A. -918 kJ/mol B. +918 kJ/mol C. -1452.8 kJ/mol D. +1452.8 kJ/mol
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Solutions
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.
Similar questions
Recommended textbooks for you
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781337399074
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
Chemistry
ISBN:
9781133949640
Author:
John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:
Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry: Principles and Practice
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS