Explanation Bond enthalpy is the amount of energy released when a bond is broken. A stronger bond results in release of more bond enthalpy than a weaker bond. In case of covalent bonds, bond enthalpy is directly proportional to the strength of bond that in turn depends on the bond distance. Similarly in case of ionic compounds, shorter the ionic radius larger the bond enthalpy. Both the bonds Li − F and Cs − F have same magnitude of charge that is − 1 on anion and + 1 on cation, it means the bond enthalpy depends on the ionic size. Also both the ionic compounds have same anion F − , so bond enthalpy depends solely on cationic radius

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Chapter 8, Problem 74E

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To determine: The bond that has smaller bond enthalpy, Li−F or Cs−F .

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Chapter 8, Problem 73E

Chapter 8, Problem 75E

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Chapter 8 Solutions

CHEMISTRY THE CENTRAL SCIENCE >EBOOK<

Ch. 8.2 - Which of the these elements is most likely to from...Ch. 8.2 - Prob. 8.1.2PE Ch. 8.2 - Which of the following bond is the most polar? H-F...Ch. 8.2 - Prob. 8.2.2PE Ch. 8.3 - Prob. 8.3.1PE Ch. 8.3 - Prob. 8.3.2PE Ch. 8.4 - Which of the following bonds is the most polar? a....Ch. 8.4 - Which of the following bonds is most polar: S-Cl,...Ch. 8.4 - Prob. 8.5.1PE Ch. 8.4 - The dipole moment of chlorine monofluoride,...

Ch. 8.5 - Which of the these molecules has a Lewis structure...Ch. 8.5 - How many valence electrons should appear in the...Ch. 8.5 - Compare the lewis symbol for neon the structure...Ch. 8.5 - Prob. 8.7.2PE Ch. 8.5 - Prob. 8.8.1PE Ch. 8.5 - Prob. 8.8.2PE Ch. 8.5 - Prob. 8.9.1PE Ch. 8.5 - Prob. 8.9.2PE Ch. 8.6 - Which of the statements about resonance is true?...Ch. 8.6 - Prob. 8.10.2PE Ch. 8.7 - Prob. 8.11.1PE Ch. 8.7 - Prob. 8.11.2PE Ch. 8 - Prob. 1DE Ch. 8 - Prob. 1E Ch. 8 - Prob. 2E Ch. 8 - A portion of a two-dimensional "slab" of NaCl(s)...Ch. 8 - Prob. 4E Ch. 8 - Prob. 5E Ch. 8 - Incomplete Lewis structures for the nitrous acid...Ch. 8 - Prob. 7E Ch. 8 - Prob. 8E Ch. 8 - Prob. 9E Ch. 8 - True or false: The hydrogen atom is most stable...Ch. 8 - Consider the element silicon, Si. Write its...Ch. 8 - Write the electron configuration for the element...Ch. 8 - Prob. 13E Ch. 8 - What is the Lewis symbol for each of the following...Ch. 8 - Using Lewis symbols, diagram the reaction between...Ch. 8 - Use Lewis symbols to represent the reaction that...Ch. 8 - Predict the chemical formula of the ionic compound...Ch. 8 - Prob. 18E Ch. 8 - Prob. 19E Ch. 8 - Prob. 20E Ch. 8 - Is lattice energy usually endothermic or...Ch. 8 - NaCI and KF have the same crystal structure. The...Ch. 8 - Prob. 23E Ch. 8 - Prob. 24E Ch. 8 - Consider the ionic compounds KF, NaCl, NaBr, and...Ch. 8 - Which of the following trends in lattice energy is...Ch. 8 - Energy is required to remove two electrons from Ca...Ch. 8 - Prob. 28E Ch. 8 - Use data from Appendix C, Figure 7.10, and Figure...Ch. 8 - Prob. 30E Ch. 8 - Prob. 31E Ch. 8 - Prob. 32E Ch. 8 - Using Lewis symbols and Lewis structures, diagram...Ch. 8 - Use Lewis symbols and Lewis structures to diagram...Ch. 8 - Prob. 35E Ch. 8 - Prob. 36E Ch. 8 - Prob. 37E Ch. 8 - What is the trend in electronegativity going from...Ch. 8 - Prob. 39E Ch. 8 - By referring only to the periodic table, select...Ch. 8 - which of the following bonds are polar? B-F,...Ch. 8 - Arrange the bonds in each of the following sets in...Ch. 8 - Prob. 43E Ch. 8 - Prob. 44E Ch. 8 - In the following pairs of binary compounds,...Ch. 8 - Prob. 46E Ch. 8 - Prob. 47E Ch. 8 - Write Lewis structures for the following: H2CO...Ch. 8 - Prob. 49E Ch. 8 - Draw the dominant Lewis structure for the...Ch. 8 - Write Lewis structures that obey the octet rule...Ch. 8 - Prob. 52E Ch. 8 - Prob. 53E Ch. 8 - Prob. 54E Ch. 8 - Prob. 55E Ch. 8 - Prob. 56E Ch. 8 - Prob. 57E Ch. 8 - Prob. 58E Ch. 8 - Prob. 59E Ch. 8 - Prob. 60E Ch. 8 - Prob. 61E Ch. 8 - 8.62 For Group 3A-7A elements in the third row of...Ch. 8 - Draw the Lewis structures for each of the...Ch. 8 - Prob. 64E Ch. 8 - In the vapor phase, BeCl2exists as a discrete...Ch. 8 - 8.66 Describe the molecule xenon trioxide, XeO3,...Ch. 8 - 8.67 There are many Lewis structures you could...Ch. 8 - Prob. 68E Ch. 8 - Using Table 8.3, estimate H for each of the...Ch. 8 - Using Table 8.3, estimate H for the following...Ch. 8 - State whether each of these statements is true or...Ch. 8 - Prob. 72E Ch. 8 - Prob. 73E Ch. 8 - Prob. 74E Ch. 8 - Prob. 75E Ch. 8 - Prob. 76E Ch. 8 - A new compound is made that has a C-C bond length...Ch. 8 - A new compound is made that has an N-N bond length...Ch. 8 - Prob. 79AE Ch. 8 - Prob. 80AE Ch. 8 - An ionic substance of formula MX has a lattice...Ch. 8 - Prob. 82AE Ch. 8 - Prob. 83AE Ch. 8 - Prob. 84AE Ch. 8 - Consider the collection of nonmetallic elements 0,...Ch. 8 - The substance chlorine monoxide, CIO(g), is...Ch. 8 - [8.87] a. using the electronegativities of Br...Ch. 8 - Prob. 88AE Ch. 8 - Although I3- is a known ion, F3- is not. a. Draw...Ch. 8 - Calculate the formal charge on the indicated atom...Ch. 8 - The hypochlorite ion, CIO- , is the active...Ch. 8 - Prob. 92AE Ch. 8 - a. Triazine, C3 H3N3, is like benzene except that...Ch. 8 - Prob. 94IE Ch. 8 - Prob. 95IE Ch. 8 - Prob. 96IE Ch. 8 - Prob. 97IE Ch. 8 - Prob. 98IE Ch. 8 - Prob. 99IE Ch. 8 - Prob. 100IE Ch. 8 - Prob. 101IE Ch. 8 - Prob. 102IE Ch. 8 - 8.103 The compound chloral hydrate, known in...Ch. 8 - Barium azide is 62.04% Ba and 37.96% N. Each azide...Ch. 8 - Acetylene (C2H2) and nitrogen (N2) both contain a...Ch. 8 - Prob. 106IE Ch. 8 - Prob. 107IE Ch. 8 - 8.108 Formic acid has the chemical formula...Ch. 8 - Prob. 109IE Ch. 8 - Prob. 110IE

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The bond that has smaller bond enthalpy, Li − F or Cs − F .

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To determine: The bond that has smaller bond enthalpy, Li−F or Cs−F .

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Chapter 8 Solutions