Bundle: Principles of Modern Chemistry, Loose-leaf Version, 8th + LMS Integrated for OWLv2 with MindTap Reader, 4 terms (24 months) Printed Access Card
8th Edition
ISBN: 9781305786950
Author: David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher: Cengage Learning
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Question
Chapter 3, Problem 88AP
Interpretation Introduction
Interpretation:
The energy change needs to be determined for the given set of reactions. The reason for the formation of
Concept Introduction:
The chemical formula is representation of number of different types of elements present in the compound.
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1) Calculate the lattice energy for NaCl(s) using a Born-Haber cycle and the following
information:
NaCl(s) → Nat(g) + Cl-(g)
Na(s) + 1/2 C12(g) → NaCl(s)
Na(s) → Na(g)
Na(g) → Na+(g) + e-
1/2 C12(g) → Cl(g)
Cl(g) + e- → Cl-(g)
?
-411.0 kJ/mol
+107.3 kJ/mol
+495.8 kJ/mol
+121.7 kJ/mol
-348.6 kJ/mol
Item 5
Answer the following questions related to the chemical bonding in substances containing Cl.
(a) What type of chemical bond is present in the Cl2 molecule?
(b) Cl2 reacts with the element Sr to form an ionic compound. Based on periodic properties, identify a molecule, X2, that is likely to react with Sr in a way similar to how Cl2 reacts with Sr. Justify your choice.
(c) A graph of potential energy versus internuclear distance for two Cl atoms is given below. On the same graph, carefully sketch a curve that corresponds to potential energy versus internuclear distance for two Br atoms.
(d) In the box below, draw a complete Lewis electron-dot diagram for the C2Cl4 molecule.
(e) Answer the following based on the diagram you drew above.
(i) What is the hybridization of the CC atoms in C2Cl4?
(ii) What is the approximate chlorine-carbon-chlorine bond angle in C2Cl4?
(iii) Is the C2Cl4 molecule…
Using the following thermodynamic data, calculate the lattice enthalpy of lithium
oxide:
Li(g) → Li*(g) + e* AH₁= 540 kJ /mol
Li(s) → Li(g) AHS= +146 kJ/mol
O₂(s) → 20(g) AH₂= +488 kJ /mol
O(g) + 1e →→ O(g) AHA1= -142 kJ /mol
O` (g) + 1e¯ → 0²-(g) AHÃ₂= +844 kJ /mol
2Li(s) + 1/2O₂(g) → Li₂O(s) AH₁= -586 kJ /mol
NOTE: Give your answer in kJ mol-¹
Chapter 3 Solutions
Bundle: Principles of Modern Chemistry, Loose-leaf Version, 8th + LMS Integrated for OWLv2 with MindTap Reader, 4 terms (24 months) Printed Access Card
Ch. 3 - Before the element scandium was discovered in...Ch. 3 - Prob. 2PCh. 3 - Prob. 3PCh. 3 - Prob. 4PCh. 3 - Prob. 5PCh. 3 - A gold nucleus is located at the origin of...Ch. 3 - Prob. 7PCh. 3 - A gold nucleus is located at the origin of...Ch. 3 - Prob. 9PCh. 3 - Prob. 10P
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