chapter13 - slide over each other easily, giving graphite a...

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Homework Chapter 13 13.2 solid iodine: induced dipole/induced dipole CH 3 OH: hydrogen bonding I 2 and CH 3 OH: dipole/induced dipole 13.16 (a) As the water cools, the vapor pressure of the water decreases, resulting in a decrease in the total pressure inside the bottle. The bottle will collapse because the pressure inside is less than the external pressure. (b) The normal boiling point of diethyl ether is 34.6 °C so the liquid will evaporate completely at body temperature (37 °C). 13.18 CH 4 < CO < NH 3 < SCl 2 (predicted based on increasing molar mass) CO < CH 4 < NH 3 < SCl 2 (actual order of increasing boiling point) —increasing boiling point 13.24 The area inside the box is a unit cell. Each unit cell contains 2 A squares and 2 B squares, so the simplest formula is AB. 13.30 (a) induced dipole/induced dipole (b) Since there are only weak intermolecular forces between the layers in graphite, the layers
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Unformatted text preview: slide over each other easily, giving graphite a slippery feel. Pushing a pencil lead against paper causes some of the carbon layers to rub off, leaving a black mark 13.32 The total heat required is the sum of the heat required to (1) heat the solid from 25 C to its melting point and (2) liquefy the solid at its melting point. ( ) ( ) ( ) ( ) ( ) ( ) J J J q q q J kJ J mol kJ g Ag mol Ag g q J K K K g J Ag g q melting solid total mekting solid 3 2 3 2 3 3 10 62 . 1 10 24 . 5 10 10 . 1 10 24 . 5 1 10 1 3 . 11 9 . 107 1 00 . 5 10 10 . 1 298 1235 / 235 . 00 . 5 = + = + = = = = = 13.40 (a) induced dipole/induced dipole forces (b) hydrogen bonding 13.44 (a) ICl (polar molecule) (b) krypton (greater molar mass) (c) CH 3 CH 2 OH (hydrogen bonding)...
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chapter13 - slide over each other easily, giving graphite a...

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