Consider the phase diagram of CO2 given below to answer the following questions: р 73,8 bar 5,2 bar 1,013 bar 194,7 K 216,6 K (-78,5 °C) (-56,6 °C) T 304,1 K (+31,0 °C) a) Fill in the blanks and label the respective phases (i.e. s, I, g and sc). b) Name the lines I, II and III in the diagram. What does it mean when a point lies on one of these lines? What happens when your system crosses the lines I, II, and III? c) Which phase transition(s) can CO2 undergo at a pressure of 1 atm? Give the approximate transition temperature(s). d) Name the two indicated points at (5.2 bar / 216.6 K) and (73.8 bar/304.1 K). What are the characteristics of these specific points? e) State Gibbs phase rule and determine the number of degrees of freedom for i) a point within one of the phases, ii) a point on one of the lines and iii) at the specific point at (5.2 bar / 216.6 K).

Consider the phase diagram of CO2 given below to answer the following questions: р 73,8 bar 5,2 bar 1,013 bar 194,7 K 216,6 K (-78,5 °C) (-56,6 °C) T 304,1 K (+31,0 °C) a) Fill in the blanks and label the respective phases (i.e. s, I, g and sc). b) Name the lines I, II and III in the diagram. What does it mean when a point lies on one of these lines? What happens when your system crosses the lines I, II, and III? c) Which phase transition(s) can CO2 undergo at a pressure of 1 atm? Give the approximate transition temperature(s). d) Name the two indicated points at (5.2 bar / 216.6 K) and (73.8 bar/304.1 K). What are the characteristics of these specific points? e) State Gibbs phase rule and determine the number of degrees of freedom for i) a point within one of the phases, ii) a point on one of the lines and iii) at the specific point at (5.2 bar / 216.6 K).

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter9: Liquids, Solids, And Materials

Section9.4: Solids And Changes Of Phase

Problem 9.9E

See similar textbooks

Similar questions

List the different phase transitions that are possible and give examples of each.
Given the following data about xenon, normalboilingpoint=108Cnormalmeltingpoint=112Ctriplepoint=121Cat281mmHgcriticalpoint=16.6Cat58atm (a) Construct an approximate phase diagram for xenon. (b) Estimate the vapor pressure of xenon at -115C. (c) Is the density of solid Xe larger than that for liquid Xe?
What mass (g) of ethanol, CH3CH2OH(), can be vaporized at its boiling point of 78.4 C by transfer of 500. kJ to the liquid? The vapH of ethanol is 38.6 kJ/mol at this temperature.
7. (5)Consider the phase diagram given below atm ス50 T°C aら 50 15 100 |50 200 Identify the normal boiling point, and normal freezing point. fp. Which phase, solid or liquid is most densed? bp Indicate the Triple point and the critical point on the diagram.
Question 7 Use the phase diagram below to state what would be observed when a sample of carbon dioxide, initially at 1.00 atm and 298 K, is subjected to the following cycle: Isobaric cooling to 210 K, Solid Critical point 72.9 Liquid 67 5.11 Triple point 1.0 Gas 154.7 216.8 298.15 (7,) (T) 304 2 (T) Temperature, TIK O A. Gas will be formed. B. More liquid will be formed O C. Gas is formed since solid sublime at 1 atm. D. Solid, gas mixture. OE. Liquid, gas mixture 15°C Light rain )ENG platm
5) How many phases are present in the following systems? Also define each of the terminologies associated with the phase diagram. Cu(s) + H2O(g) CuO(s) + H2 (g) NH,C1 NH3 + HCI (3); ZnSO4 . 3H2O(s) + 2H2O(g) (s) (g) ZnSO4. 5H2O(s)
Benzene has a melting point of 5.53 °C and a boiling point of 80.09 °C at atmospheric pressure. Its density = 48.34 atm, and a triple point at T 5.52 °C, and P 0.0473 atm. Starting from a point at 200 K and 66.5 atm, trace the following path on a phase diagram: (1) First, increase T to 585 K while keeping P constant (2) Next, decrease P to 38.5 atm while keeping T constant. (3) Then, decrease T to 278.66 K while keeping P constant. (4) Finally, decrease P to 0.0025 atm while keeping T constant. What is your starting phase, and what is your final phase? (Hint: In order to answer the question, you may need to construct a phase diagram based on the given data.)
2. Below is the phase diagram of sulphur. At 95.4°C, the densities of rhombic and monoclinic sulphur are 2.07 g cm³ and 1.96 g cm³, whilst the enthalpy change for phase transition from rhombic to monoclinic sulphur is 0.3 kJ mol1. Sulfur 153°C, 1420 atm Liquid 95.4°C 115.21°C 1 atm P Monoclinic 444.6°C 115.2°C, 3.2 x 105 atm Rhombic 95.3°C, 5.1 x 10-6 atm Gas T
The figure shows the phase diagram corresponding to the element sulfur. Sulfur exists as liquid, gas, and two solids, rhombic and monoclinic. 1- Describe the phase changes that occur when S is decompressed (lower P) from 10 atm to 106atm at constant temperature of 100 °C. 2- Indicate the temperature and the pressure for the triple point B, and which phases coexist В 10.0 Solid(rhombic) Liquid 1.0 Solid (monoclinic) 5х 104 Gas A 1 x 104 95.4 114 119 445 Temperature (in degree C) Pressure (in atm)
deledu xMail-Francesca A Tantillo-Out XSTART HERE-CHM150-251 Che x 101edu.co 21 Mostly sunny W S X 4 Diamond Graphite 4x 3 E D Liquid Temperature (K) A phase diagram for elemental carbon is shown below. Starting at liquid carbon, which action(s) would produce carbon gas? $ R HO Gas F V Dil FS % 5 T G I B P A 6 Question 23 of 37 Aktiv Chemistry Y H * N & 7 U * J PrtScn * 8 A) raising the temperature + M B) lowering the temperature C) lowering the pressure D) raising temperature and raising pressure 0 Home K F9 ( 9 O V End Alt F10 L ) 0 PgUp 11 P A - B PgDn12 { BU ^ 90 + D } + 1:28 PM 7/23/2022 Ins O Update Submit D X Del Backspace T Enter
6. Below is an outline for the phase diagram for carbon tetrachloride. Label all of the following on the diagram: y-axis & x-axis with appropriate units; gas, liquid and solid phases; triple and critical points. Then answer the questions that follow. Describe what happens when a sample of carbon tetrachloride is heated at constant pressure of а. 0.75 atm from 248K to 254K. Draw an arrow that represents this. b. What phases are present at the point on the graph labeled b? 249.0 250.3
21) (5 points) The surface tension of ethanol (CHCH2OH) is 0.022 J/ m2 and the surface tension of hexane (CH3CH2CH2CH2CH2CH3) is 0.0179 J/m2. Define surface tension and explain why the values for the listed molecules are different.

SEE MORE QUESTIONS

Recommended textbooks for you

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

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: Matter and Change

Chemistry

ISBN:

9780078746376

Author:

Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:

Glencoe/McGraw-Hill School Pub Co

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

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: Matter and Change

Chemistry

ISBN:

9780078746376

Author:

Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:

Glencoe/McGraw-Hill School Pub Co

SEE MORE TEXTBOOKS