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122 CHAPTER 5ID 15. Which of the following best describes the particle-level bonding in a crystal of KBr? iupil doiw (A) alternating positive and negative metal ions in a crystal lattice framework. (B) positive and negative ions in fixed position in a crystal lattice framework. (C) mobile valence electrons shared between positive metal ions. (D) metallic and nonmetallic atoms covalently bonded in a 3-dimenional framework. () HO (C) CC (D) CH'OE Questions 16-17 use the following information. 6801 9010 oloegsini doidW8 H H H---H H H Ethane wolod a (B) но-с-Сн, — СH, — СH, — СH, ннн нннн H-C-C- C-C-C-C-C-H || | | I|| Η Η Η Η | H. нн Heptane Pentanoic Acid 10 Name Chemical Formula Molar Mass (g/mole) Boiling Point (°C) Ethane 30.07 -88.5 Heptane 16 100.20 98.1-98.7 Pentanoic Acid 102.13 186-187 16. Heptane and pentanoic acid have very similar molar masses, but pentanoic acid has a significantly higher boiling point. Which of the following statements best helps explain this observation? (A) The sum of the bond energies in heptane is lower than the sum of the bond energies in pentanoic acid. (B) There are more opportunities for London dispersion forces in heptane than in pentanoic acid. (C) There are more opportunities for hydrogen bonding in pentanoic acid than there are in heptane. (D) The carbon chains in heptane are farther apart than they are in heptane. quo

122 CHAPTER 5ID 15. Which of the following best describes the particle-level bonding in a crystal of KBr? iupil doiw (A) alternating positive and negative metal ions in a crystal lattice framework. (B) positive and negative ions in fixed position in a crystal lattice framework. (C) mobile valence electrons shared between positive metal ions. (D) metallic and nonmetallic atoms covalently bonded in a 3-dimenional framework. () HO (C) CC (D) CH'OE Questions 16-17 use the following information. 6801 9010 oloegsini doidW8 H H H---H H H Ethane wolod a (B) но-с-Сн, — СH, — СH, — СH, ннн нннн H-C-C- C-C-C-C-C-H || | | I|| Η Η Η Η | H. нн Heptane Pentanoic Acid 10 Name Chemical Formula Molar Mass (g/mole) Boiling Point (°C) Ethane 30.07 -88.5 Heptane 16 100.20 98.1-98.7 Pentanoic Acid 102.13 186-187 16. Heptane and pentanoic acid have very similar molar masses, but pentanoic acid has a significantly higher boiling point. Which of the following statements best helps explain this observation? (A) The sum of the bond energies in heptane is lower than the sum of the bond energies in pentanoic acid. (B) There are more opportunities for London dispersion forces in heptane than in pentanoic acid. (C) There are more opportunities for hydrogen bonding in pentanoic acid than there are in heptane. (D) The carbon chains in heptane are farther apart than they are in heptane. quo

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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122 CHAPTER 5ID 15. Which of the following best describes the particle-level bonding in a crystal of KBr? iupil doiw (A) alternating positive and negative metal ions in a crystal lattice framework. (B) positive and negative ions in fixed position in a crystal lattice framework. (C) mobile valence electrons shared between positive metal ions. (D) metallic and nonmetallic atoms covalently bonded in a 3-dimenional framework. () HO (C) CC (D) CH'OE Questions 16-17 use the following information. 6801 9010 oloegsini doidW8 H H H---H H H Ethane wolod a (B) но-с-Сн, — СH, — СH, — СH, ннн нннн H-C-C- C-C-C-C-C-H || | | I|| Η Η Η Η | H. нн Heptane Pentanoic Acid 10 Name Chemical Formula Molar Mass (g/mole) Boiling Point (°C) Ethane 30.07 -88.5 Heptane 16 100.20 98.1-98.7 Pentanoic Acid 102.13 186-187 16. Heptane and pentanoic acid have very similar molar masses, but pentanoic acid has a significantly higher boiling point. Which of the following statements best helps explain this observation? (A) The sum of the bond energies in heptane is lower than the sum of the bond energies in pentanoic acid. (B) There are more opportunities for London dispersion forces in heptane than in pentanoic acid. (C) There are more opportunities for hydrogen bonding in pentanoic acid than there are in heptane. (D) The carbon chains in heptane are farther apart than they are in heptane. quo
Transcribed Image Text:122 CHAPTER 5ID 15. Which of the following best describes the particle-level bonding in a crystal of KBr? iupil doiw (A) alternating positive and negative metal ions in a crystal lattice framework. (B) positive and negative ions in fixed position in a crystal lattice framework. (C) mobile valence electrons shared between positive metal ions. (D) metallic and nonmetallic atoms covalently bonded in a 3-dimenional framework. () HO (C) CC (D) CH'OE Questions 16-17 use the following information. 6801 9010 oloegsini doidW8 H H H---H H H Ethane wolod a (B) но-с-Сн, — СH, — СH, — СH, ннн нннн H-C-C- C-C-C-C-C-H || | | I|| Η Η Η Η | H. нн Heptane Pentanoic Acid 10 Name Chemical Formula Molar Mass (g/mole) Boiling Point (°C) Ethane 30.07 -88.5 Heptane 16 100.20 98.1-98.7 Pentanoic Acid 102.13 186-187 16. Heptane and pentanoic acid have very similar molar masses, but pentanoic acid has a significantly higher boiling point. Which of the following statements best helps explain this observation? (A) The sum of the bond energies in heptane is lower than the sum of the bond energies in pentanoic acid. (B) There are more opportunities for London dispersion forces in heptane than in pentanoic acid. (C) There are more opportunities for hydrogen bonding in pentanoic acid than there are in heptane. (D) The carbon chains in heptane are farther apart than they are in heptane. quo
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