Please correct answer and don't use hand rating JavTuWhat best describes the sample at point D?temperature(°C)140120110080601C401B200-20A-40Dheat absorbedpure liquidthe first bubbles of steam start to formE

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Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter6: Equilibria In Single-component Systems

Section: Chapter Questions

Problem 6.5E

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The molecular mass of butanol, C4H9OH, is 74.14; that of ethylene glycol, CH2(OH)CH2OH, is 62.08, yet their boiling points are 117.2 C and 174 C, respectively. Explain the reason for the difference.
Define critical temperature and critical pressure. In terms of the kinetic molecular theory, why is it impossible for a substance to exist as a liquid above its critical temperature?
Which of the following would be expected to have the highest boiling temperature based on the intermolecular force present for the molecule? CH;OH BH3 OCl, CHA CIF O Type here to search prt se delete home 144 10 esc %24 4. & 7. (@ #3 %23 Tum 5. 8 3D backspace lock 1 Q W R T Y hor enter F G J K ck pause * shift C M alt ctri alt fn
e/1FAlpQLSeextwy9UfUly7FREN-OK6CIVXhuufSTFeiimZOJb00f90INQ/formResponse Your email will be recorded when you submit this form * Required MULTIPLE CHOICE PROBLEM SOLVING |3| The boiling point of 350mL of substance A was determined to be 97.5oC. Based on this information, the boiling point of 100OL of substance A is Higher than 97.5 degrees Centigrade Lower than 97.5 degrees Centigrade Undetermined Equal to 97.5 degrees Centigrade The boiling point of Benzene, Methanol, Aniline and Nitrobenzene are 80°C, 650C 184°C and 212 C respectively. Which will show highest vapor pressure at
12.) which has lowest boiling point according to ta ble? Su bstonce Vaporplessure at 35%C6mmHq) 23 650 92 IV 139
Illustrate the phase diagram of acetone and explain your findings.
The boiling points, surface tensions, and viscosities ofwater and several alcohols are as shown below: (a) From ethanol to propanol to n-butanol the boilingpoints, surface tensions, and viscosities all increase. Whatis the reason for this increase? (b) How do you explainthe fact that propanol and ethylene glycol have similarmolecular weights (60 versus 62 amu), yet the viscosity ofethylene glycol is more than 10 times larger than propanol?(c) How do you explain the fact that water has thehighest surface tension but the lowest viscosity?
The boiling points, surface tensions, and viscosities ofwater and several alcohols are as shown below:(a) From ethanol to propanol to n-butanol the boilingpoints, surface tensions, and viscosities all increase. Whatis the reason for this increase? (b) How do you explainthe fact that propanol and ethylene glycol have similarmolecular weights (60 versus 62 amu), yet the viscosity ofethylene glycol is more than 10 times larger than propanol?(c) How do you explain the fact that water has thehighest surface tension but the lowest viscosity?
The boiling points, surface tensions, and viscosities ofwater and several alcohols are as shown below:(a) From ethanol to propanol to n-butanol the boilingpoints, surface tensions, and viscosities all increase. Whatis the reason for this increase? (b) How do you explainthe fact that propanol and ethylene glycol have similarmolecular weights (60 versus 62 amu), yet the viscosity ofethylene glycol is more than 10 times larger than propanol?(c) How do you explain the fact that water has thehighest surface tension but the lowest viscosity?
Rank the following liquids in order of increasing boiling points, from lowest tohighest:He / NH3 / Ar / N2. Explain.
20. What is the relationship between intermolecular forces (IMFS) and the physical properties of solids and liquids? Using relevant chemical examples and at least one (1) physical property of your choosing, explain the effect of (a) hydrogen bonding; (b) dipole-dipole attractions; and (c) dispersion forces on your chosen physical property. Point form is both accepted and expected for this question. (
This gra v ows how the vapor pressure of three liquids varies with temperature: 900- 800- 700 600 500 400 300- - isopropyl acetate benzene 200 100- tetrahydrofuran 50 60 temperature, °C Use the graph to answer the following questions: most volatile: choose one Which liquid is the most volatile? Which is the least volatile? least volatile: choose one isopropyl acetate: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. benzene: tetrahydrofuran: O more Suppose a beaker of benzene is put inside a sealed tank containing benzene gas at 55. degree C and 884. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? O less O the same vapor pressure, torr

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JavTu What best describes the sample at point D? temperature (°C) 140 1201 100 80 601 C 401 B 20 0 -20 A -40 D heat absorbed pure liquid the first bubbles of steam start to form E