13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces and Physical Properties
13. Liquids, Solids & Intermolecular Forces
Intermolecular Forces and Physical Properties - Video Tutorials & Practice Problems
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Intermolecular forces influence physical properties. We will look at direct and indirect relationships.
Intermolecular Forces and Physical Properties
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Intermolecular Forces & Physical Properties Concept 1
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Intermolecular Forces & Physical Properties Example 1
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Intermolecular Forces & Physical Properties Concept 2
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Intermolecular Forces & Physical Properties Example 2
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Problem
ProblemWhich of the following will have the lowest boiling point?
A
CH3–O–CH3
B
KI
C
C6H5OH
D
C6H14
E
C60
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Problem
ProblemWhich molecules would most likely cause a liquid to have the lowest viscosity?
A
Large, polar molecules
B
Small, nonpolar molecules
C
Small, polar molecules
D
Large, nonpolar molecules
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Additional resources for Intermolecular Forces and Physical Properties
PRACTICE PROBLEMS AND ACTIVITIES (56)
- Three identical tubes are filled with different liquids; water, ethylene glycol, and olive oil. A small steel ...
- Which organic compound has the lowest viscosity? (LO 11.2)
- Arrange the following molecules from lowest to highest boiling point. (LO 8.9) (I) (II) (III) (IV) (a) I 6...
- Which type of intermolecular force accounts for each of these differences? (d) Acetone boils at 56 °C, whereas...
- (a) List the following molecules in order of increasing polar- izability: GeCl4, CH4, SiCl4, SiH4, and GeBr4. ...
- Water flows quickly through the narrow neck of a bottle, but maple syrup flows sluggishly. Is this different b...
- Predict which substance in each pair has the highest surface tension. (a) CCl4 or CH2Br2
- Predict which substance in each pair has the highest viscosity. (b) Pentane or neopentane
- Predict which substance in each pair has the highest viscosity. (a) Hexane 1CH3CH2CH2CH2CH2CH32 or 1-hexanol ...
- The chemical structure for oleic acid, the primary component of olive oil, is shown. Explain why olive oil has...
- The viscosity of water at 20 °C is 1.00 * 10-3 1N • s>m2 2 higher than dimethyl sulfide 31CH322 S4 2.8 * 10...
- Ethylene glycol (HOCH2CH2OH), the major substance in antifreeze, has a normal boiling point of 198 °C. By comp...
- Based on the type or types of intermolecular forces, predict the substance in each pair that has the higher bo...
- The following diagram shows a close-up view of part of the vapor-pressure curves for a solvent (red curve) and...
- The generic structural formula for a 1-alkyl-3-methylimid- azolium cation is where R is a -CH2(CH2)nCH3 alkyl...
- (b) What is the relationship between viscos- ity and temperature?
- Based on their composition and structure, list CH2Cl2, CH3CH2CH3, and CH3CH2OH in order of (c) increasing surf...
- Liquids can interact with flat surfaces just as they can with capillary tubes; the cohesive forces within the ...
- Two dichloroethylene molecules with the same chemical formula 1C2H2Cl22, but different arrangements of atoms a...
- The boiling points, surface tensions, and viscosities of water and several alcohols are as shown below: (b) H...
- In each pair of compounds, pick the one with the higher boiling point. Explain your reasoning. c. CH4 or CH3CH...
- In each pair of compounds, pick the one with the higher boiling point. Explain your reasoning. b. CS2 or CO2
- In each pair of compounds, pick the one with the higher vapor pressure at a given temperature. Explain your r...
- In each pair of compounds, pick the one with the higher vapor pressure at a given temperature. Explain your re...
- Which compound would you expect to have greater surface tension: acetone [(CH3)2CO] or water (H2O)? Explain.
- The critical temperatures and pressures of a series of haloge- nated methanes are as follows: (c) Predict the...
- The structures of two isomers of heptane are shown. Which of these two compounds would you expect to have the...
- Explain why the viscosity of multigrade motor oils is less temperature- dependent than that of single-grade mo...
- (a) Place the following substances in order of increasing volatility: CH4, CBr4, CH2Cl2, CH3Cl, CHBr3, and CH2...
- When a thin glass tube is put into water, the water rises 1.4 cm. When the same tube is put into hexane, the h...
- Which evaporates more quickly: 55 mL of water (H2O) in a beaker or 55 mL of acetone [(CH3)2CO] in an identica...
- As the intermolecular attractive forces between molecules increase in magnitude, do you expect each of the fol...
- Suppose you have two colorless molecular liquids, one boil- ing at - 84 °C, the other at 34 °C, and both at at...
- Suppose you have two colorless molecular liquids, one boil- ing at - 84 °C, the other at 34 °C, and both at at...
- The table below shows the normal boiling points of benzene and benzene derivatives. (e) Why is the boiling po...
- (a) When you exercise vigorously, you sweat. How does this help your body cool?
- (b) A flask of water is connected to a vacuum pump. A few moments after the pump is turned on, the water begin...
- Explain the observed trend in the melting points of the hydrogen halides. HI -50.8 °C HBr -88.5 °C HCl -114.8 ...
- Explain the observed trend in the boiling points of these compounds. H2Te -2 °C H2Se -41.5 °C H2S -60.7 °C H2O...
- In Table 11.3, we saw that the viscosity of a series of hydro- carbons increased with molecular weight, doubli...
- For each of the following substances, identify the intermolecular force or forces that predominate. Using you...
- Complete the exercises below.Explain each of the following observations:c. The boiling point of HF is much hig...
- Ammonia and hydrogen fluoride both have unusually high boiling points due to _____.
- Which compound has the highest melting point: Al2(CO3)3, C12H22O11, C8H18, or H2O?
- A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface.
- Which would have a higher vapor pressure: ethanol (C2H5OH) or dimethyl ether (CH3OCH3)?
- Choose the correct description of viscosity. Under what conditions does magma have high viscosity?
- Which of the following properties of water is responsible for the formation of raindrops?
- Which of the following properties of water is responsible for the formation of raindrops?
- Which would have a higher vapor pressure: ethanol (C2H5OH) or dimethyl ether (CH3OCH3)?
- Water readily sticks to many other substances, a property called ______.
- Which of the following straight-chain hydrocarbons will have the highest viscosity at 298 K?
- Solid ice will change to liquid water and then to gaseous steam when you add
- Rank the following based on increasing intermolecular forces? C2H6, C4H10, C6H14, C8H18.
- Which of the following is most likely to have the highest viscosity at 25°C?
- What are the properties and common uses of water in each of its states?