Part B The phase diagram for an organic compound is shown. 1.00 Y Pressure (atm) 0.50 0.10 -200 -100 100 200 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) ? HÁ normal boiling point Value Units Pearson

Part B The phase diagram for an organic compound is shown. 1.00 Y Pressure (atm) 0.50 0.10 -200 -100 100 200 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) ? HÁ normal boiling point Value Units Pearson

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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Refer to the following phase diagram for argon. P (atm) 48 1.00 0.68 83.8 83.9 T(K) a. At a pressure of 1 atm, the temperature 83.9 K is called the The normal boiling point for Ar is at 87.4 150.6 The triple point pressure for Ar is K. atm.
Refer to the following phase diagram (not to scale!) for nitrogen: 33.5 1.00 P atm 0.127 63.1 63.2 77.4 126.0 T Kelvin A sample of nitrogen at a pressure of 0.127 atm and a temperature of 81.8 K is compressed at constant temperature to a pressure of 40.2 atm. Which of the following are true? Choose all that apply O The final state of the substance is a liquid. The sample is initially a gas. O The sample is initially a solid. One or more phase changes will occur. O The solid initially present will vaporize. Previous Next
Dietheyl ether has a vapor pressure of 0.975 torr at-79.3C. The heat of vaporization is Aap 30.5 kJ/mol What is the vapor pressure at 5.8 C in torr? Do not write unit in answer. Report your answer as a whole number.
25 Acetone has a vapor pressure of 187 torr at 20°C. It freezes at -95°C, and boils at 56°C. Based on this information, what is the vapor pressure of acetone at 65°C? Hint: This is more of a logic question than a mathematical question.
1. The triple point of acetone is at -94.5°C and 0.018 torr. Assume the molar heat of vaporization is 35.0 kJ/mol. a) Estimate the vapor pressure of acetone at -78°C (the temperature of a dry ice - acetone bath). b) Use the data given above to estimate the normal boiling point of acetone. c) What approximations have been made in your answers?
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Use the References to access important values if needed for this question. The normal boiling point of liquid ethyl acetate is 350. K. Assuming that its molar heat of vaporization is constant at 34.4 kJ/mol, the boiling point of CH3COOC,H3 when the external pressure is 0.676 atm is K. Retry Entire Group 8 more group attempts remaining Submit Answer Previous Email Instructor
n- Propyl alcohol has the following vapor pressures:T (oC) 25 30 35 40 45 50P (atm) 0.294 0.372 0.458 0.554 0.682 0.805a) Plot the graph and calculate the heat of vaporization of n- Propyl alcohol. Show the calculationsfor the slope on the graph.b) Calculate the boiling point at 690 mmHg
An unknown liquid has a vapor pressure of 58 torr at -22.75 °C and 512 torr at 25.0 °C. Calculate the normal boiling point of the liquid in units of °C.
You have purified a sample of unknown origin. initially, your samples vapor pressure is 0.25 atm. When you decrease the temperature to 14.1oC the vapor pressure decreases to 0.13 atm. The enthalpy of vaporization is 23.2 kJ/mol what is the initial temperature of the unknown sample in oC. Go to 3 significant figures and do not use scientific notation
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.