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+ 100 110 130 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? Which is the least volatile? 120 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 toluene is put inside a sealed tank containing toluene gas at 103. degree C and 845. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? acetylacetone toluene octane most volatile: least volatile: 140 acetylacetone: toluene: octane: more less the same choose one choose one пос °C °C

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+ 100 110 130 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? Which is the least volatile? 120 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 toluene is put inside a sealed tank containing toluene gas at 103. degree C and 845. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? acetylacetone toluene octane most volatile: least volatile: 140 acetylacetone: toluene: octane: more less the same choose one choose one пос °C °C

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 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 acetylacetone: 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. piperidine: pyrrole: O more Suppose a beaker of piperidine is put inside a sealed tank containing piperidine gas at 102. degree C and 493. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? less O the same This graph shows how the vapor pressure of three liquids varies with temperature: 900 s00- 700 600- 500 400 300 acetylacetone piperidine руrrole 200 100 0. 100 140 temperature, °C vapor pressure, torr
Study the following phase diagram of Substance X. pressure (atm) 24 solid 100 liquid 200 temperature (K) Use this diagram to answer the following questions. a gas 300 Suppose a small sample of pure X is held at -12. °C and 12.0 atm. What will be the state of the sample? Suppose the temperature is held constant at -12. °C but the pressure is decreased by 6 atm. What will happen to the sample? Suppose a small sample of pure X is held at -12. °C and 12.0 atm. What will be the state of the sample? Suppose the temperature is held constant at -12. °C but the pressure is decreased by 6 atm. What will happen to the sample? Suppose, on the other hand, the pressure is held constant at 12.0 atm but the temperature is decreased by 116. °C. What will happen to the sample? (choose one) (choose one) (choose one) (choose one) (choose one)
The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure 4. °C 0 16. °C 28. °C 0.0584 atm 0.0961 atm 0.152 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. x10 ロ・ロ X I olo Ś
Refer to the following phase diagram (not to scale!) for sulfur dioxide: P atm 78 1.00 0.0017 197.6 200.4 Choose all that apply T Kelvin A sample of sulfur dioxide at a pressure of 1.70×10-3 atm and a temperature of 266 K is compressed at constant temperature to a pressure of 83.7 atm. Which of the following are true? 263.1 430.7 The sample is initially a gas. The liquid initially present will vaporize. The final state of the substance is a liquid. The sample is initially a solid. One or more phase changes will occur.
A pure solid sample of Substance X is put into an evacuated flask. The flask is heated at a steady rate and the temperature recorded as time passes. Here is a graph of the results: 12 230 temperature (°C) 210. 190. 170 150.- 130. 0. 10. What is the melting point of X ? Use this graph to answer the following questions: 30. heat added (kJ/mol) What phase (physical state) of X would you expect to find in the flask after. 17 kJ/mol of heat has been added? 40 50. 0°C (check all that apply) Osolic O liquid Ogas 60 olo Ar
The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure - 38. °C -25. °℃ - 12. °℃ 0.0287 atm 0.0867 atm 0.234 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol.
Use the observation in the first column to answer the question in the second column. observation question Which has the higher boiling point? O Substance E The enthalpy of vaporization of Substance E is smaller O Substance F than that of Substance F. Neither, E and F have the same boiling point. It's impossible to know without more information. Which has a higher boiling point? At 73 °C, Substance A has a O Substance A vapor pressure of 95. torr and Substance B has a vapor O Substance B pressure of 125. torr. O Neither, A and B have the same boiling point. O It's impossible to know without more information. Which has a higher vapor pressure? At 1 atm pressure, O Substance C Substance C boils at 14. °C and Substance D boils at O Substance D 37. °C. O Neither, C and D have the same vapor pressure. O It's impossible to know without more information. Continue MacBook Pro Search or tyne UPI
This graph shows how the vapor pressure of three liquids varies with temperature: vapor pressure, torr 900- 800 700 600- 500 400- 3001 200 1002 0. 100 110 120 Which liquid is the most volatile? Which is the least volatile? 130 temperature, °C Use the graph to answer the following questions: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be -ethylbenzene -acetic acid pyrrole Suppose a beaker of acetic acid is put inside a sealed tank containing acetic acid gas at 104. degree C and 478. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? 140 most volatile: least volatile: ethylbenzene: acetic acid: pyrrole: O more O less O the same choose one choose one °C 0 °℃ °℃ X ✪ ✪
The enthalpy of vaporization of Substance x is 7.00 kJ/mol and its normal boiling point is -10c . Calculate the vapor pressure of x at -36c. Round your answer to 2 significant digits
At constant pressure p1, the substance goes from solid state to gas as temperature increases At constant temperature T1, the substance goes from gas state to liquid as pressure increases The substance exists in the liquid phase by lowering the pressure and the temperature beyond T At temperature T, the substance coexists in solid, liquid and gas phases At constant pressure p2, the substance goes from solid state to liquid to gas as temperature increases.
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Carbon tetrachloride, CCI4 , has a vapor pressure of 213 torr at 40.°C and 971 torr at 85°C. What is the normal boiling point of CCI4? Boiling point =