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by BlastRoom
Relate intermolecular attractions to boiling point, viscosity, surface tension, and vapor pressure.
#chemistry
20 questions
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Use the table of boiling points. Which attraction best explains the highest boiling point in the table?
Use the table. Which attraction best explains why two of the compounds boil much higher than the third?
The halogen molecules in the table are nonpolar. Which attraction is mainly responsible for the pattern in their boiling points?
Use the table. Which attraction best explains water's boiling point compared with the other two compounds?
Use the vapor-pressure table. Which liquid has the strongest intermolecular attractions?
Use the boiling-point table. Which order ranks the attractions from weakest to strongest?
Use the vapor-pressure table. Which alcohol should evaporate fastest at 25°C?
The table shows related nonpolar alkanes. Which liquid should have the highest surface tension?
1-propanol and methoxyethane both have formula C3H8O, but only 1-propanol has an O-H bond. Which prediction is best?
Octane, C8H18, and pentane, C5H12, are both nonpolar hydrocarbons. Which liquid is more viscous at room temperature?
Acetone has a polar C=O bond, while propane is nonpolar. Which prediction is most reasonable?
Water has polar O-H bonds and a bent shape, while hexane has only nonpolar C-C and C-H bonds. Which property should be higher for water?
Glycerol has three O-H groups per molecule, while 1-propanol has one. Which comparison is most likely at the same temperature?
Hexane and 2,2-dimethylbutane both have formula C6H14. Hexane is less branched. Which prediction is best?
Hydrogen fluoride has an H-F bond, while hydrogen chloride has an H-Cl bond. Which substance has the higher boiling point?
Acetone has a polar C=O group but no O-H bond; water forms an O-H hydrogen-bonding network. Which liquid has the higher vapor pressure at room temperature?
A liquid forms rounded drops because molecules at its surface pull strongly on neighboring molecules. Which property is being described?
Liquid A has weaker intermolecular attractions than liquid B at the same temperature. What should be true of liquid A?
Corn syrup flows more slowly than rubbing alcohol because its molecules attract each other more strongly. Which property is greater for corn syrup?
Two liquids have similar molar masses. The one with stronger intermolecular attractions needs more energy to separate its molecules into gas. Which property is higher?
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Pressure Units and Conversions
40 questions
