Covalent Bonding: Orbitals (cont’d)

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Presentation transcript:

Covalent Bonding: Orbitals (cont’d) Chapter 10(e) Covalent Bonding: Orbitals (cont’d)

Figure 10.38: Behavior of a liquid in a closed container. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.39: The rates of condensation and evaporation over time for a liquid sealed in a closed container. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.40: (a) The vapor pressure of a liquid can be measured easily using a simple barometer of the type shown here. (b) The three liquids, water, ethanol (C2H5OH), and diethyl ether [(C2H5)2O], have quite different vapor pressures. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.41: Diagram showing the reason vapor pressure depends on temperature. Copyright © Houghton Mifflin Company. All rights reserved.

Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.42: (a) The vapor pressure of water, ethanol, and diethyl ether as a function of temperature. (b) Plots of In(Pvap) versus 1/T (Kelvin temperature) for water, ethanol, and diethyl ether. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.43: Iodine being heated, causing it to sublime onto an evaporating dish cooled by ice. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.44: The heating curve (not drawn to scale) for a given quantity of water where energy is added at a constant rate. Copyright © Houghton Mifflin Company. All rights reserved.

Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.46: Solid and liquid phases in equilibrium with the vapor pressure.

Figure 10.47: Water in a closed system with a pressure of 1 atm exerted on the piston. No bubbles can form within the liquid as long as the vapor pressure is less than 1 atm.

Boiling chip releasing air bubbles acts as a nucleating agent for the bubbles that form when water boils. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10. 48: The supercooling of water Figure 10.48: The supercooling of water. The extent of supercooling is given by S.

Figure 10.49: The phase diagram for water. Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.50: Diagrams of various heating experiments on samples of water in a closed system.

Figure 10. 51: The phase diagram for water Figure 10.51: The phase diagram for water. At point X on the phase diagram, water is a solid.

Copyright © Houghton Mifflin Company. All rights reserved.

Figure 10.52: The phase diagram for carbon dioxide. Copyright © Houghton Mifflin Company. All rights reserved.