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CHLIVI 1211 Chapter 10 Liquids Homework 1. What is the primary intermolecular force present in the...
What is the primary intermolecular force present in the following compounds? a. C3H8 b. HCN C....
What is the primary intermolecular force present in the following compounds? a. C3H8 b. HCN C. CF2H2 d. C2H4 e. CH3OH Based on the intermolecular forces reported for the compounds in problem 1, predict the order of increasing boiling point. For the compound with the highest boiling point, does that mean the vapor pressure will be high or low? Why?
2. Based on the intermolecular forces reported for the compounds in problem 1, predict the order...
2. Based on the intermolecular forces reported for the compounds in problem 1, predict the order of increasing boiling point.
18) What is the strongest intermolecular force is the strongest intermolecular force in a liquid containing...
18) What is the strongest intermolecular force is the strongest intermolecular force in a liquid containing molecules with H-O bonds? A) covalent bonds B) dipole forces C) dispersion forces D) hydrogen bonds E) none of the above Section: 11.2 The Intermolecular Bond Concept 19) Consider the following liquids with similar molar masses. Predict which has the strongest intermolecular attraction based only on boiling point data. A) butyl alcohol (Bp @ 760 mm Hg = 117 °C) B) ethyl ether (Bp...
7. What is the strongest intermolecular force present in the following compound? 8. Which of the...
7. What is the strongest intermolecular force present in the following compound?
8. Which of the following compounds has a higher boiling point?
10. (10 pts.) Identify the intermolecular forces present in the following compounds: Compound Intermolecular forces H-...
10. (10 pts.) Identify the intermolecular forces present in the following compounds: Compound Intermolecular forces H- N- H H₃C CH₂ ç CC-C1 a. Which compound would you expect to have the higher boiling point? b. Justify your selection. C. Which compound would you expect to have the highest vapor pressure? d. Justify your selection.
Homework #1 Based on the type or types of intermolecular force, predict the substance in each...
Homework #1 Based on the type or types of intermolecular force, predict the substance in each pair that has the highest boiling point: a) Diethyl ether (CHsCH2OCH2CHs) or 1-butanol (CH3CH2CH2CH2OH) b) SO2 or SO 1. Ethanol (C2H5OH) melts at-114°C and boils at 78 ℃. The enthalpy of fusion of ethanol is 502 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol. The specific heat capacity of solid and liquid ethanol are 0.97 and 2.3 J/8-K, respectively. a) How much heat...
What is the strongest intermolecular force present in 1-propanol?
10) What is the strongest intermolecular force present in 1-propanol? A) Induced dipole-induced dipole B) Hydrogen bonding C) Ion-ion D) Dipole-dipole 11) What intermolecular force is generally considered the weakest? A) Ion-ion B) Dipole-dipole C) London dispersion forces D) Hydrogen bonding 12) Rank the following compounds in order of decreasing melting point, putting the compound with the highest melting point first.13) Which of the following alkanes is expected to have the highest melting point? 14) What molecular features are required for soap to properly dissolve...
Intermolecular forces (IMPs) are the forces of attraction (or sometimes repulsion) that act between neighboring molecules...
Intermolecular forces (IMPs) are the forces of attraction (or sometimes repulsion) that act between neighboring molecules All IMPs are based on etectrostatic interaction and are relatively weak compared to the Intramolecular forces that hold the atoms within a molecular together. In today, workshop you will practice to identify IMFs and predict their effect on boiling point melting point, vapor pressure and enthalpy of vaporisation (Delta Hvap). The Delta Hvap for a given molecule is the energy required to transform a...
1. What type of intermolecular force is predominant in the following two compounds? H3C -C-CH3 H3C-...
1. What type of intermolecular force is predominant in the following two compounds? H3C -C-CH3 H3C- CH-CH (3 points) 2. Hydrazine (NH2NH2), hydrogen peroxide (HooH), and water (H20) all have higher boiling points in comparison with other substances of comparable molecular weights. What structural property do these substances have in common, and how might that account for (4 points) their high boiling points? 3. The most significant factor which is responsible for the higher boiling point of ethanol C2H5OH, compared...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each molecule. b. Arrange the following molecules in order of lowest vapor pressure to highest vapor pressure. c. Briefly justify your answer to part b using your knowledge of intermolecular forces. Molecule * HH * Strongest Intermolecular Force: Lowest vapor pressure: < < Highest vapor pressure 11.(12 pts) Ethanol (CH-OH, FW-46.08 g/mol) melts at -114 °C and boils at 78 °C. How much heat is...
What is the primary intermolecular force present in the following compounds? a. C3H8 b. HCN C. CF2H2 d. C2H4 e. CH3OH Based on the intermolecular forces reported for the compounds in problem 1, predict the order of increasing boiling point. For the compound with the highest boiling point, does that mean the vapor pressure will be high or low? Why?
2. Based on the intermolecular forces reported for the compounds in problem 1, predict the order of increasing boiling point.
18) What is the strongest intermolecular force is the strongest intermolecular force in a liquid containing molecules with H-O bonds? A) covalent bonds B) dipole forces C) dispersion forces D) hydrogen bonds E) none of the above Section: 11.2 The Intermolecular Bond Concept 19) Consider the following liquids with similar molar masses. Predict which has the strongest intermolecular attraction based only on boiling point data. A) butyl alcohol (Bp @ 760 mm Hg = 117 °C) B) ethyl ether (Bp...
7. What is the strongest intermolecular force present in the following compound?
8. Which of the following compounds has a higher boiling point?
10. (10 pts.) Identify the intermolecular forces present in the following compounds: Compound Intermolecular forces H- N- H H₃C CH₂ ç CC-C1 a. Which compound would you expect to have the higher boiling point? b. Justify your selection. C. Which compound would you expect to have the highest vapor pressure? d. Justify your selection.
Homework #1 Based on the type or types of intermolecular force, predict the substance in each pair that has the highest boiling point: a) Diethyl ether (CHsCH2OCH2CHs) or 1-butanol (CH3CH2CH2CH2OH) b) SO2 or SO 1. Ethanol (C2H5OH) melts at-114°C and boils at 78 ℃. The enthalpy of fusion of ethanol is 502 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol. The specific heat capacity of solid and liquid ethanol are 0.97 and 2.3 J/8-K, respectively. a) How much heat...
Intermolecular forces (IMPs) are the forces of attraction (or sometimes repulsion) that act between neighboring molecules All IMPs are based on etectrostatic interaction and are relatively weak compared to the Intramolecular forces that hold the atoms within a molecular together. In today, workshop you will practice to identify IMFs and predict their effect on boiling point melting point, vapor pressure and enthalpy of vaporisation (Delta Hvap). The Delta Hvap for a given molecule is the energy required to transform a...
1. What type of intermolecular force is predominant in the following two compounds? H3C -C-CH3 H3C- CH-CH (3 points) 2. Hydrazine (NH2NH2), hydrogen peroxide (HooH), and water (H20) all have higher boiling points in comparison with other substances of comparable molecular weights. What structural property do these substances have in common, and how might that account for (4 points) their high boiling points? 3. The most significant factor which is responsible for the higher boiling point of ethanol C2H5OH, compared...
10. (14 pts) For the compounds below: a. Identify the strongest intermolecular force present in each molecule. b. Arrange the following molecules in order of lowest vapor pressure to highest vapor pressure. c. Briefly justify your answer to part b using your knowledge of intermolecular forces. Molecule * HH * Strongest Intermolecular Force: Lowest vapor pressure: < < Highest vapor pressure 11.(12 pts) Ethanol (CH-OH, FW-46.08 g/mol) melts at -114 °C and boils at 78 °C. How much heat is...
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