Macroscale and Microscale Organic Experiments
7th Edition
ISBN: 9781305577190
Author: Kenneth L. Williamson, Katherine M. Masters
Publisher: Brooks Cole
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Textbook Question
Chapter 6, Problem 12Q
Before the days of electric or gas clothes dryers, clothes were hung outside to dry even when the temperature was well below freezing. They would freeze stiff and yet in a few hours would be dry. How is this possible?
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Chapter 6 Solutions
Macroscale and Microscale Organic Experiments
Ch. 6 - Assign the peaks in the 1H NMR spectrum of eugenol...Ch. 6 - A mixture of ethyl iodide (C2H5I,bp72.3C) and...Ch. 6 - Prob. 3QCh. 6 - Prob. 4QCh. 6 - Prob. 5QCh. 6 - A mixture of toluene (bp110.8C) and water is steam...Ch. 6 - Did sublimation aid in the purification of the...Ch. 6 - Prob. 8QCh. 6 - Prob. 9QCh. 6 - Prob. 10Q
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- A representation of liquid water is shown below. Which of the three representations that follow best describes the water after it has boiled into steam?arrow_forwardIn terms of their bulk properties, how do liquids and solids differ? How are they similar?arrow_forwardPredicting boiling point and freezing pointarrow_forward
- Explain how the density of water varies from 0⁰C to 10⁰C and explain how this temperature density behaviour of water supports aquatic lifearrow_forwardthe compound malic acid is used to increase the acidity of fruit flavoured products. it freezes at 401 K and boils at 423 K. What is the state of this compound at 100 degrees celsius? Liquid, gas, solid or aqueous??arrow_forwardIdentify the true statements about surface tension. Molecules along the surface of a liquid behave differently than those in the bulk liquid. Water forming a droplet as it falls from a faucet is a primary example of surface tension. Mercury has a lower surface tension than water. Surface tension increases as the temperature of the liquid rises. Cohesive forces attract the molecules of the liquid to one another.arrow_forward
- Pure benzophenone melts at 48.1 C. Your sample of benzophenone began to freeze at 47 C. When you repeated this measurement, the sample again began to freeze at 47 C. Give at least two reasonable explanations for this observation. You tried to read the thermometer when your solution containing the unknown began to freeze but were not certain if the reading was 43.5 C or 44 C so you decided to repeat this by melting the solidifying mass. The new reading you observed was clearly 41 C. What happened? Clearly explain your reasoning.arrow_forwardIf a severe storm results in the loss of electricity, it may be necessary to use a clothesline to dry laundry. In many parts of the country in the dead of winter, the clothes will quickly freeze when they are hung on the line. If it does not snow, will they dry anyway? Explain your answer.arrow_forwardYou leave the house wearing a cotton T-shirt and are surprised by a sudden rainstorm. You notice that the water soaks into the T - shirt whereas it just beads up on your raincoat. In this example, are the adhesive forces or cohesive forces stronger between water and your T - shirt ? Between water and your raincoat ? Explainarrow_forward
- A sample of salt water will freeze at a higher temperature than a sample of pure water. O True O Falsearrow_forward4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B. When a lake freezes, how does the density of water prevent all of the living organisms in the lake from freezing as well? OEL r TE OT 1arrow_forwardThis graph shows how the vapor pressure of three liquids varies with temperature: 900 800- 700- 600- 50. 400- 300- 200. - isobutyl alcohol ethylbenzene 100 -octane 100 110 120 130 140 temperature, °C Put these liquids (the names of the liquid) in order from most volatile to least volatile. Most volatile 1 E isobutyl alcohol 2 octane 3 | ethylbenzene 10 vapor pressure, torrarrow_forward
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