The phase diagram for an organic compound is shown. 1.00- Y. Pressure (atm) 0.5- 0.10- -150 -75 75 150 Temperature ("C) What is the normal boiling point of this compound? Express your answer as an integer and include the appropriate units. > View Available Hint(s)

The phase diagram for an organic compound is shown. 1.00- Y. Pressure (atm) 0.5- 0.10- -150 -75 75 150 Temperature ("C) What is the normal boiling point of this compound? Express your answer as an integer and include the appropriate units. > View Available Hint(s)

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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Identify each of the labeled points (indicated with letters) or changes (indicated with two letters separated by an arrow) shown on the phase diagram. 1.00 Y Pressure (atm) 0.50 F 0.10- -150 -75 0 75 150 Temperature ("C) Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. • View Available Hint(s) Reset Help sublimation freezing melting triple point critical point deposition Q ist IG pu. boiling condensation 7. The transition shown by the line from D to C is 8. The transition shown by the line from C to E is
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Draw the general shape of the temperature-energy graph for ethanol from: -200 oC to 100 oC. The melting and boiling points of carbon ethanol are -114.1 oC and 78.37 oC, respectively. Label the diagram in terms of the phases present at each line of the graph.
Refer to the following phase diagram (not to scale!) for argon: 48 1.00 P atm 0.68 83.8 83.9 87.4 150.6 T Kelvin A sample of argon at a pressure of 0.680 atm and a temperature of 82.5 K is compressed at constant temperature to a pressure of 52.8 atm. Which of the following are true? Choose all that apply O No phase change will occur. O The final state of the substance is a solid. The liquid initially present will vaporize. The sample is initially a gas. O The sample is initially a solid. Drovious
The enthalpy of vaporization of Substance X is 28.0 kJ and its normal boiling point is-89. °C. Calculate the vapor pressure of X at-181, °C. mol Round your answer to 2 significant digits. atm x10 ? Submit Assic Continue ©2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Ace MacBook Al DII F11
The pressure above a pure sample of solid Substance X at -5. °C is lowered. At what pressure will the sample melt? Use the phase diagram of X below to find your answer. 0.8- solid ol liquid 0.4 18 Ar gas 0. 200 400 600 temperature (K) Note: your answer must be within 0.05 atm of the exact answer to be graded correct. D atm pressure (atm)
[References) Use the References to access important values if needed for this question. Refer to the following phase diagram (not to scale!) for xenon: 57.6 1.00 atm 0.37 152.0 161.3 165.0 289.7 T Kelvin A sample of xenon at a pressure of 0.370 atm and a temperature of 140 K is compressed at constant temperature to a pressure of 66.5 atm. Which of the following are true? Choose all that apply | The sample is initially a gas. O No phase change will occur. O The solid initially present will vaporize. O The final state of the substance is a solid. Previous O The sample is initially a solid. En rch
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.
Consider the following phase diagram. Phase diagram for compound A 1000 2 760 3 50 10 -25 25 100 150 Temperature, °C (not to scale) Which red dot represents the melting point of this compound at 760 torr? [ Select ] What is the approximate melting temperature for this substance at 760 torr? [ Select ] Which red dot represents the boiling point of this compound at 760 torr? [ Select ] What is the approximate boiling temperature for this substance at 760 torr? [ Select ] Which red dot represents the triple point for this substance? [ Select ] |What is the approximate temperature of the triple point? [ Select ] Pressure, torr (not to scale)
O ADVANCED MATERIAL Using a phase diagram to predict phase at a given temperature... Study t. lowing phase diagram of Substance X. 0.4 solid liquid 0.2 gas 0. 200 400 temperature (K) Use this diagram to answer the following questions. Suppose a small sample of pure X is held at 166. °C and 0.2 atm. What will be the state of the sample? (choose one) 8 Suppose the temperature is held constant at 166. °C but the pressure is decreased by 0.1 atm. what will happen to the sample? (choose one) Suppose, on the other hand, the pressure is held constant at 0.2 atm but the temperature is decreased by 144. °C. What will happen to the v (choose one) sample? Nothing. It will melt. It will freeze. Explanation Check It will boil. It will condense. 20 80 F2 F3 F4 F5 pressure (atm) II
Use the References to access important values if needed for this question. Refer to the following phase diagram (not to scale!) for oxygen: 49.8 1.00 P atm 0.00150- 54.4 54.8 90.2 154.6 T Kelvin A sample of oxygen at a pressure of 1.00 atm and a temperature of 48.6 K is heated at constant pressure to a temperature of 99.9 K. Which of the following are true? Choose all that apply OThe gas initially present will solidify. O One or more phase changes will occur. The sample is initially a solid. O The sample is initially a liquid. O The final state of the substance is a gas. Previous Next
5.What happens when the vapor pressure of a liquid is equal to the external pressure? A) An equilibrium exists between the liquid and the solid state. B) The liquid freezes. C) The intermolecular forces become stronger in the liquid. D) The liquid boils. E) Dispersion forces become weaker in the liquid.