Carbon tetrachloride CCl4 (a non polar molecule), has a normal boiling point of 76.7 C while...
Carbon tetrachloride CCl4 (a non polar molecule), has a normal boiling point of 76.7 C while methanol CH3OH (a very polar molecule), has a somewhat lower normal boiling point of 65 C. Offer a possible explanation for this difference in boiling points based on the different types of intermolecular forces present in the two liquids.
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Carbon tetrachloride CCl4 (a non polar molecule), has
a normal boiling point of 76.7 C while...
Explain why carbon tetrachloride is a non polar (has a net zero dipole moment) molecule while...
Explain why carbon tetrachloride is a non polar (has a net zero dipole moment) molecule while chloroform is polar molecule.
7). a). Is the acetone molecule non-polar or polar? Circle. Non-polar Polar b). Sketch pictures of...
7). a). Is the acetone molecule non-polar or polar? Circle. Non-polar Polar b). Sketch pictures of the intermolecular forces that would occur between the molecules of acetone and the molecules of 2- propanone if you have a mixture of the two liquids. What would be the main type of IMF that is responsible for the attraction? (Give a name for the IMF). c). The pentane molecule and the 2-pentanone molecule both have five carbon atoms on their structures. Why 2-pentanone...
The standard enthalpy of vaporization (H°vap) of carbon tetrachloride (CCl4) is 34.6 kJ/mol. The normal boiling...
The standard enthalpy of vaporization (H°vap) of carbon tetrachloride (CCl4) is 34.6 kJ/mol. The normal boiling point of carbon tetrachloride is 76.5°C. Calculate the vapour pressure of carbon tetrachloride at 62.5°C. after solving I got 0.4994 when using Clausius - Clapeyron equation. How do I get P2?
1. Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 40 °C and 836...
1. Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 40 °C and 836 torr at 80 °C. What is the normal boiling point of CCl4? 2. Pressure cookers allow food to cook faster because the higher pressure inside the pressure cooker increases the boiling temperature of water. A particular pressure cooker has a safety valve that is set to vent steam if the pressure exceeds 3.4 atm. What is the approximate maximum temperature that can be reached...
1. Draw the Lewis dot structure for methanol, CH3OH. Is this molecule polar? What is its...
1. Draw the Lewis dot structure for methanol, CH3OH. Is this molecule polar? What is its dipole moment? In what molecular direction does the dipole point. Draw or illustrate this. Compare and contrast methanol with ethane, C2H6. Compare and contrast their intermolecular forces of attraction that operate between molecules in the bulk liquids. Illustrate these. Look up and explain their differences in boiling points.
QUESTIONS Butane (CH:CH-CH:CH) has a boiling point of -1°C. Butanol (CH.CH:CH-OH) has a boiling point of...
QUESTIONS Butane (CH:CH-CH:CH) has a boiling point of -1°C. Butanol (CH.CH:CH-OH) has a boiling point of 118C. Explain this observation using your knowledge of intermolecular forces (list the types of intermolecular forces possible for each molecule and then explain briefly why that affects the boiling point)
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many...
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many as are applicable however points will be deducted for incorrect answers. Select one or more: The standard boiling point occurs when the vapor pressure of a compound equals 1 bar The rate of evaporation at temperatures below the boiling point is dependent on surface area The vapor pressure at dynamic equilibrium in a closer container does not depend on the amount of liquid, as...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate the hydrogen bonds with dotted lines. :N-CEN: H 10. Polar molecules can contain more than one type of attractive force. Fill in the following table answering the question "Is this attractive force present between molecules of the given compound?" Write yes or no for each force. Molecule Ionic Attraction H-Bond Dipole-Dipole London CHCl3 CH3OH NH2 65- *NH3-C-COO 11. For each of the following pairs...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C)...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C) high heats of fusion and vaporization O) high critical temperatures and pressures E) all of the above are manifested by 10. Of the following A) CBr4 is the most volatile. B) CCl4 C) CH4 D) CF4 E) C6H14 Refer to the phase diagram below to complete questions 11-13 1.5 P (atm) 1.0 0.5 0 100-1-20 30 40 50 6070 T C'C) 11. What is...
7). a). Is the acetone molecule non-polar or polar? Circle. Non-polar Polar b). Sketch pictures of the intermolecular forces that would occur between the molecules of acetone and the molecules of 2- propanone if you have a mixture of the two liquids. What would be the main type of IMF that is responsible for the attraction? (Give a name for the IMF). c). The pentane molecule and the 2-pentanone molecule both have five carbon atoms on their structures. Why 2-pentanone...
1. Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 40 °C and 836 torr at 80 °C. What is the normal boiling point of CCl4? 2. Pressure cookers allow food to cook faster because the higher pressure inside the pressure cooker increases the boiling temperature of water. A particular pressure cooker has a safety valve that is set to vent steam if the pressure exceeds 3.4 atm. What is the approximate maximum temperature that can be reached...
QUESTIONS Butane (CH:CH-CH:CH) has a boiling point of -1°C. Butanol (CH.CH:CH-OH) has a boiling point of 118C. Explain this observation using your knowledge of intermolecular forces (list the types of intermolecular forces possible for each molecule and then explain briefly why that affects the boiling point)
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many as are applicable however points will be deducted for incorrect answers. Select one or more: The standard boiling point occurs when the vapor pressure of a compound equals 1 bar The rate of evaporation at temperatures below the boiling point is dependent on surface area The vapor pressure at dynamic equilibrium in a closer container does not depend on the amount of liquid, as...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate the hydrogen bonds with dotted lines. :N-CEN: H 10. Polar molecules can contain more than one type of attractive force. Fill in the following table answering the question "Is this attractive force present between molecules of the given compound?" Write yes or no for each force. Molecule Ionic Attraction H-Bond Dipole-Dipole London CHCl3 CH3OH NH2 65- *NH3-C-COO 11. For each of the following pairs...
9. Large intermolecular forces in a substance A) low vapor pressure B) high boiling point C) high heats of fusion and vaporization O) high critical temperatures and pressures E) all of the above are manifested by 10. Of the following A) CBr4 is the most volatile. B) CCl4 C) CH4 D) CF4 E) C6H14 Refer to the phase diagram below to complete questions 11-13 1.5 P (atm) 1.0 0.5 0 100-1-20 30 40 50 6070 T C'C) 11. What is...
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