Answered: What is the normal boiling point of…

What is the normal boiling point of each compound? Vapor pressure (mm Hg) 800 700 600 500 400 300 200 100 0 -30 -10 CS₂: CH3 NO2: °℃ °C 10 CS₂ 30 50 Temperature (°C) CH, NO₂ 70 90 110

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Use the phase diagram of Substance X below to find the boiling point of X when the pressure on the liquid is 2.8 atm. pressure (atm) 0 °C solid برات 200 liquid 400 X temperature (K) Note: your answer must be within 25 °C of the exact answer to be graded correct. gas S 600
Because of stronger London dispersion forces, the boiling point of octane, C8H18, is much higher than that of propane, C3H8. Question 6 options: True False
Examine the phase diagram which contains important information about an unknown substance with the trade name of Mellow-W. Conditions of pressure (on the y-axis) are plotted against temperature (on the x-axis). From this examination, answer the questions below 10³ 10² Pressure (atm) 10 1 10-1 10-2 10-3 10-4 -200 Solid 0 about Mellow-W (Note! Only one answer is required, although more than one answer may apply). a) A temperature beyond which Mellow-W gas cannot be liquified: b) A temperature which describes Mellow-W's melting point at standard pressure: c) What is the temperature and pressure of the Critical Point? d) What is the temperature and pressure of the Triple Point?__: e) The name of the point where all three phases are in dynamic equilibrium: f) Which best describes the phase transitions that occur when Mellow-W at 10 atm is heated from -75° C to 330° C? (Circle one): i) solid->liquid ->gas ii) solid-gas iii) liquid->gas iv) solid -> liquid g) Which phase best describes…
This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 700 600 500- 400 300 piperidine ethylbenzene 200- 100- octane 100 110 120 130 140 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? most volatile: choose one Which is the least volatile? least volatile: choose one piperidine: What is the normal hoiling noint of each liguid? vapor pressure, torr
Round each of your answers to 3 significant digits.
Which liquid will have the highest vapor pressure? Group of answer choices CH3Cl CH3OH C3H8 C6H14
This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 700 600 500 400 300 I - tetrahydrofuran 200 benzene 100 - trichloroethylene 0. 50 60 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? most volatile: choose one Which is the least volatile? least volatile: choose one tetrahydrofuran: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact benzene: answer to be graded correct. trichloroethylene: I °C Suppose a beaker of benzene is put inside a sealed O more tank containing benzene gas at 56. degree C and 778. 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
= O STATES OF MATTER Using a phase diagram to predict phase at a given temperature... Study the following phase diagram of Substance X. pressure (atm) 20 10- 0 solid liquid 100 gas 200 temperature (K) Use this diagram to answer the following questions. Suppose a small sample of pure X is held at -247. °C and 12.1 atm. What will be the state of the sample? Suppose the temperature is held constant at -247. °C but the pressure is decreased by 3.1 atm. What will happen to the sample? Suppose, on the other hand, the pressure is held constant at 12.1 atm but the temperature is increased by 111. °C. What will happen to the sample? (choose one) ✓ (choose one) (choose one) (choose one) Nothing. It will melt. It will freeze. It will boil. It will condense. It will sublime. It will deposit. Solid Liquid or Gas
This graph shows how the vapor pressure of three liquids varies with temperature: vapor pressure, torr 900 800 700 600 500 400 300 200. 100 0 50 60 70 80 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? Which is the least volatile? 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. Suppose a beaker of isopropyl acetate is put inside a sealed tank containing isopropyl acetate gas at 80. degree C and 858. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? - chloroform isopropyl acetate benzene most volatile: 90 least volatile: chloroform: isopropyl acetate: benzene: more less the same choose one choose one °C °C °℃
What are the correct units for the boiling point elevation constant for water? oC/mol oC/kg oC*kg/mol oC*mol/kg oC*mol
This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 700 600 500 400 300 pyrrole ethylbenzene piperidine 200 100 100 110 120 130 140 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? most volatile: choose one Which is the least volatile? least volatile: choose one pyrrole: O°c 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. ethylbenzene: piperidine: Suppose a beaker of ethylbenzene is put inside a sealed tank containing ethylbenzene gas at 112. degree C and 237. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same more less amount? the same vapor pressure, torr
A compound has a vapor pressure of 7.96 torr at 40.°C. What is the normal boiling point of the compound? The AHvap of the compound is 39.58 kJ/mol. P2 -AHvap In 2/² = -f(+-+) P1 R 1 T₁ R = 0.0821 L.atm/mol K = 8.314 J/mol.K °C (please keep 3 significant figures)