Homework Answers
9.Molecule A will have higher boiling point.Due to H bonding the the molecular forces of attraction between molecule A will be higher and thus will require greater amount of energy to convert it from liquid to gas.
Molecule A will have lower vapour pressure as it has strong force of attraction in liquid state(hydrogen bonding).
10. Br - will have smaller radii than I -
Br- has outermost electronic configuration of 4s24p6 , I - has outermost electronic configuration of 5s25p6 .
11. a)Sigm bond allows rotation of bonds
b) Pi bond has electron density above and below the intermolecular axis
C) no
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9. (2pts) Molecule A as a liquid, forms hydrogen bonds. Molecule B is...
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...
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...
Thank you for your help on these! Page 5 b. is methylcyclohexane a planar molecule! methylcyclohexane...
Thank you for your help on
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Page 5 b. is methylcyclohexane a planar molecule! methylcyclohexane below: Why or why not? Draw the most stable configuration of methylcyclohexane c. Do alkenes have the ability to rotate around a C-C bond? Why or why not? d. Which is the more stable alkene configuration, cis or trans? Why? e. True or False (Circle the correct answer). Sterie interactions lead to a high energy molecule since atoms within the molecule are crowding each...
9. (3 points) Why should the molecule He: not exist? a. It is of unequal charge...
9. (3 points) Why should the molecule He: not exist? a. It is of unequal charge between the helium atoms. b. It is of unequal electronegativity between the helium atoms. c. It has a bond order less than one. d. Its bond order is zero. 10.(3 points) Which is the most polar bond? a C-C, single bond b. C-O, single bond 6. C-F, single bond d. Br-F, single bond 11. (3 points) What type of bonds exist between the two...
3. What is necessary for an intermolecular hydrogen bond? 4. What intermolecular forces are found in...
3. What is necessary for an intermolecular hydrogen bond? 4. What intermolecular forces are found in each molecule CO N2 CH,OH 5. Which substance has the highest boiling point? Why? СО CH,OH N2 6. How many compounds, of the ones listed below, have hydrogen bonding, circle them? (Hint: draw the molecules) CH3CH2)2NCH2CH3 CH3CH2NHCH.CH CH3CH2CH2NH2
Table 6 below a) identity In 5. b) In the box at the right, circle whether...
Table 6 below a) identity In 5. b) In the box at the right, circle whether each pair of liquids has similar or dissimilar IMFs. all of the IMFs associated with each compound. c) For polarity, circle each substance as polar, nonpolar, or both partly polar/partly nonpolar d) Below the table, USING THEINFORMATİON ON BOTHlMFSANDPOLARITIES, write a statement that explains why the liquids mixed or did not mix. Repeat for Tables 7 & 8 Table 6-Intermolecular Forces in Water and...
14 Which of the following is true if a molecule possesses lone pairs on the central...
14 Which of the following is true if a molecule possesses lone pairs on the central atom but is not hydrogen bonded? (A) the molecule will have a hydrogen bonded directly to an N, O, or F (B) the molecule will be nonpolar (C) the molecule will be an ionic crystal lattice structure where there are strong clectrostatic (D) the molecule will be polar 15 A substance with strong intermolecular forces will have (A) low boiling point (B) high reactivity...
A B 15.(0.8 pts) Consider the molecule at the right: (a) What is the hybridization at carbon labeled "A"? circle one: sp (b) What is the hybridization of carbon labeled "B? circle one: sp...
A B 15.(0.8 pts) Consider the molecule at the right: (a) What is the hybridization at carbon labeled "A"? circle one: sp (b) What is the hybridization of carbon labeled "B? circle one: sp (c) How How many pi bonds are there ? many sigma bonds are there? (d) Which bond in the molecule is the shortest? circle one C-C C-O C-C O-H Which bond is the strongest? circle oneC-C C-0 С-С О-H 16. (0.8 pts) Write a chemical symbol...
Question 9 Given the valence bond theory model below where the sigma bonds are shown in...
Question 9 Given the valence bond theory model below where the sigma bonds are shown in image a and the pi bonds are shown in image (b), which molecule is shown? o bond bond o bond One at bond Second it bond -- (a) (b) CH2 ОСНЫ OCH4 No new data to save. Last checked at 2:32pm Submit Quiz
9. The hybridization of the central nitrogen atom in the molecule N O is (A) sp (B) (C) sp (D) spid (Esp' 10. What...
9. The hybridization of the central nitrogen atom in the molecule N O is (A) sp (B) (C) sp (D) spid (Esp' 10. What bond angles are predicted by VSEPR theory for the F-P-F bonds in PE 32 (Select all correct answers.) A 90 B . 109.5° C. 120° D. 180°E None of these 11. Which of the following molecules has polar bonds but is a nonpolar molecule! (Select all correct answers.) (A) CO (B) BF, (C) CCI (D) Xel....
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...
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...
Thank you for your help on
these!
Page 5 b. is methylcyclohexane a planar molecule! methylcyclohexane below: Why or why not? Draw the most stable configuration of methylcyclohexane c. Do alkenes have the ability to rotate around a C-C bond? Why or why not? d. Which is the more stable alkene configuration, cis or trans? Why? e. True or False (Circle the correct answer). Sterie interactions lead to a high energy molecule since atoms within the molecule are crowding each...
9. (3 points) Why should the molecule He: not exist? a. It is of unequal charge between the helium atoms. b. It is of unequal electronegativity between the helium atoms. c. It has a bond order less than one. d. Its bond order is zero. 10.(3 points) Which is the most polar bond? a C-C, single bond b. C-O, single bond 6. C-F, single bond d. Br-F, single bond 11. (3 points) What type of bonds exist between the two...
3. What is necessary for an intermolecular hydrogen bond? 4. What intermolecular forces are found in each molecule CO N2 CH,OH 5. Which substance has the highest boiling point? Why? СО CH,OH N2 6. How many compounds, of the ones listed below, have hydrogen bonding, circle them? (Hint: draw the molecules) CH3CH2)2NCH2CH3 CH3CH2NHCH.CH CH3CH2CH2NH2
Table 6 below a) identity In 5. b) In the box at the right, circle whether each pair of liquids has similar or dissimilar IMFs. all of the IMFs associated with each compound. c) For polarity, circle each substance as polar, nonpolar, or both partly polar/partly nonpolar d) Below the table, USING THEINFORMATİON ON BOTHlMFSANDPOLARITIES, write a statement that explains why the liquids mixed or did not mix. Repeat for Tables 7 & 8 Table 6-Intermolecular Forces in Water and...
14 Which of the following is true if a molecule possesses lone pairs on the central atom but is not hydrogen bonded? (A) the molecule will have a hydrogen bonded directly to an N, O, or F (B) the molecule will be nonpolar (C) the molecule will be an ionic crystal lattice structure where there are strong clectrostatic (D) the molecule will be polar 15 A substance with strong intermolecular forces will have (A) low boiling point (B) high reactivity...
A B 15.(0.8 pts) Consider the molecule at the right: (a) What is the hybridization at carbon labeled "A"? circle one: sp (b) What is the hybridization of carbon labeled "B? circle one: sp (c) How How many pi bonds are there ? many sigma bonds are there? (d) Which bond in the molecule is the shortest? circle one C-C C-O C-C O-H Which bond is the strongest? circle oneC-C C-0 С-С О-H 16. (0.8 pts) Write a chemical symbol...
Question 9 Given the valence bond theory model below where the sigma bonds are shown in image a and the pi bonds are shown in image (b), which molecule is shown? o bond bond o bond One at bond Second it bond -- (a) (b) CH2 ОСНЫ OCH4 No new data to save. Last checked at 2:32pm Submit Quiz
9. The hybridization of the central nitrogen atom in the molecule N O is (A) sp (B) (C) sp (D) spid (Esp' 10. What bond angles are predicted by VSEPR theory for the F-P-F bonds in PE 32 (Select all correct answers.) A 90 B . 109.5° C. 120° D. 180°E None of these 11. Which of the following molecules has polar bonds but is a nonpolar molecule! (Select all correct answers.) (A) CO (B) BF, (C) CCI (D) Xel....
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