Properties of Water Answers

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Which of these statements are true of water molecules? Check all that apply.

A
Water molecules are polar.
B
Water molecules are nonpolar.
C
Water molecules undergo hydrogen bonding.
D
Water molecules have a linear geometry.
E
Water molecules have a bent geometry.
4

Which of these substances most likely dissolve in water? Check all that apply.

A
paraffin, a nonpolar organic compound
B
glucose, a polar organic compound
C
silver nitrate, an ionic compound
D
methane, a nonpolar organic compound
6

The attraction forces between mercury atoms in liquid mercury are stronger than the intermolecular forces between water molecules. Which of the following is most likely true about mercury?

A
It has a higher surface tension than does water.
B
It exhibits greater capillary action than does water.
C
It is very soluble in water.
7

Water’s strong hydrogen bonds result in which physical properties? Check all that apply.

A
high boiling point
B
low boiling point
C
high specific heat
D
low specific heat
E
density of ice being less than that of liquid water
F
density of ice being greater than that of liquid water
8

City A is located along the shore of an ocean. City B is at the same latitude and altitude, but it is located about 124 miles (200 km) inland, away from any large bodies of water. Which of the following statements most likely describe these two cities? Check all that apply.

A
In the summer, the daytime temperature in City A is typically lower than the daytime temperaturein City B.
B
In the winter, the daytime temperature in City B is typically lower than the daytime temperaturein City A.
C
City A typically has both higher high temperatures and lower low temperatures than City B.

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