You can click on the Review link to access the Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 °C. ▼ Part A At what temperature does benzene boil when the external pressure is 485 torr? Expres your answer in degrees Celsius to two significant figures. ▸ View Available Hint(s)

You can click on the Review link to access the Benzene has a heat of vaporization of 30.72 kJ/mol and a normal boiling point of 80.1 °C. ▼ Part A At what temperature does benzene boil when the external pressure is 485 torr? Expres your answer in degrees Celsius to two significant figures. ▸ 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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The molar heat of vaporization of acetone, C3H,O, is 30.3 kJ/mol at its boiling point. How many kilojoules of heat would be liberated by the condensation of 5.00 g of acetone? Part 1 Your answer is incorrect. First, find the number of moles of acetone in the sample. i mol eTextbook and Media Hint Attempts: 5 of 15 used Submit Answer Save for Later MacBook Air DII DD FO F10 F6 F7 FB F4 F5 F2 F3 %23 %24
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11. Based on the heating graph shown in the figure for a substance, X, at constant pressure, Energy transferred a) Which has the largest specific heat capacity, X(s), X(e), or X(g)? b) Which is smaller, the heat of fusion or the heat of vaporization? c) What is the algebraic sign of the enthalpy of vaporization at the boiling point? Temperature, 7T +
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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 graph of the results: temperature (°C) 70. 50. 30. 10. 10.- -30. 0. 10. What is the boiling point of X ? 20. Use this graph to answer the following questions: heat added (kJ/mol) What phase (physical state) of X would you expect to find in the flask after 7 kJ/mol of heat has been added? 30. °C 40. (check all that apply) solid O liquid gas 50.
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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: 110. 90. temperature (°C) 70. 50. 30. 0. 10. 20. 30. 40. 50. heat added (kJ/mol) Use this graph to answer the following questions: What is the boiling point of X ? °C (check all that apply) What phase (physical state) of X would you expect to find in the flask after 12 kJ/mol of heat has been added? solid O liquid gas
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