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Author Question: The phenomenon in which a steel needle can, with proper care, be made to float on the surface of ... (Read 57 times)

Evvie72

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on: Jul 8, 2021

Question 1

The normal boiling point of acetone is 56.2 °C and the molar heat of vaporization is 32.0 kJ/mol. At what temperature will acetone boil under a pressure of 50.0 mmHg?
◦ 156 °C
◦ 6.0 °C
◦ -6.0 °C
◦ 40.7 °C
◦ 73.6 °C

Question 2

The phenomenon in which a steel needle can, with proper care, be made to float on the surface of some water illustrates a property of liquids known as:
◦ compressibility
◦ polarizability
◦ surface tension
◦ triple point
◦ viscosity
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Evvie72 on Jul 8, 2021

jessicaduplan

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Evvie72

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it

tanna.moeller

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Reply 3 on: Yesterday
Excellent

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