Chemistry: The Central Science (14th Edition)
14th Edition
ISBN: 9780134414232
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 12.5, Problem 12.2.1PE
Given the ionic radii and molar masses of Sc3+ (0.88 Å, 45.0 g/mol) and F-(1.19 Å, 19.0 g/mol), what value do you estimate for the density of ScF3, whose structure is shown in Figure 12.27?
a. 5.99 g/cm3
b.1.44 X 1024g/mol
c. 19.1 g/cm3
d.2.39 g/cm3
e.5.72 g/cm3
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
uppose a chemist discovers a new metallic element and names it "Xiguum" (Xi).Xi exhibits chemical behaviour similar to an alkaline earth.
Xi(s) + Cl2(g) → XiCl2(s)
Lattice energy for XiCl2
-1900. kJ/mol
First Ionization energy of Xi
400. kJ/mol
Second Ionization energy of Xi
680. kJ/mol
Electron affinity of Cl
-348.7 kJ/mol
Bond energy of Cl2
239 kJ/mol
Enthalpy of sublimation (atomization) of Xi
150. kJ/mol
Use the above data to calculate ΔH°f for Xiguum chloride.
Use the following data to estimate AH°f for
magnesium fluoride.
Mg(s) + F₂(g) →→ MgF₂(s)
Lattice energy = 2913 kJ/mol
First ionization energy of Mg =735 kJ/mol
Second ionization energy of Mg= 1445
kJ/mol
Electron affinity of F= -328 kJ/mol
Bond energy of F₂ =154 kJ/mol
Enthalpy of sublimation for Mg =150.
kJ/mol
Select one or more:
167 kJ/mol
-411 kJ/mol
-1085 kJ/mol
-292 kJ
Calculate the lattice energy of sodium fluoride; NaF in kJ/mol from the following data:
lonization energy of Na: + 496 kJ/mol
Electron affinity of F: - 328 kJ/mol
Energy to vaporize Na: + 108 kJ/mol
F2 bond energy: + 160 kJ/mol
The energy of reaction: Na(s) + F2(g)-
-> NaF(s);
AH xn =
-575 kJ
a) - 851
b) -931
c) - 1011
d) + 931
Chapter 12 Solutions
Chemistry: The Central Science (14th Edition)
Ch. 12.3 - Consider the two-dimensional square lattice of...Ch. 12.3 - Prob. 12.1.2PECh. 12.5 - Given the ionic radii and molar masses of Sc3+...Ch. 12.5 - Prob. 12.2.2PECh. 12.7 - Prob. 12.3.1PECh. 12.7 - Prob. 12.3.2PECh. 12.7 - Prob. 12.4.1PECh. 12.7 - Prob. 12.4.2PECh. 12 - Prob. 1DECh. 12 - Prob. 1E
Ch. 12 - Prob. 2ECh. 12 - Prob. 3ECh. 12 - Prob. 4ECh. 12 - Prob. 5ECh. 12 - Prob. 6ECh. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - Prob. 9ECh. 12 - Prob. 10ECh. 12 - 12.11 Covalent bonding occurs in both molecular...Ch. 12 - Prob. 12ECh. 12 - 12.13 What kinds of attractive forces exist...Ch. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Amorphous silica, SiO2, has a density of about...Ch. 12 - Two patterns of packing for two different circles...Ch. 12 - Prob. 22ECh. 12 - Prob. 23ECh. 12 - Prob. 24ECh. 12 - Which of the three-dimensional primitive lattices...Ch. 12 - Prob. 26ECh. 12 - 12.27 What is the minimum number of atoms that...Ch. 12 - 12.28 What is the minimum number of atoms that...Ch. 12 - Prob. 29ECh. 12 - Prob. 30ECh. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Prob. 33ECh. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - Prob. 37ECh. 12 - Prob. 38ECh. 12 - Prob. 39ECh. 12 - Prob. 40ECh. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - Prob. 43ECh. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Prob. 49ECh. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - Prob. 52ECh. 12 - 12.53 Which would you expect to be the more...Ch. 12 - 12.54 Which of the following statements does not...Ch. 12 - Prob. 55ECh. 12 - Prob. 56ECh. 12 - Prob. 57ECh. 12 - Prob. 58ECh. 12 - Prob. 59ECh. 12 - Prob. 60ECh. 12 - 12.61 A particular form of cinnabar (HgS) adopts...Ch. 12 - At room temperature and pressure RbI crystallizes...Ch. 12 - Prob. 63ECh. 12 - Prob. 64ECh. 12 - The coordination number for Mg2+ ion is usually...Ch. 12 - Prob. 66ECh. 12 - Prob. 67ECh. 12 - Prob. 68ECh. 12 - Prob. 69ECh. 12 - Prob. 70ECh. 12 - Prob. 71ECh. 12 - Prob. 72ECh. 12 - Prob. 73ECh. 12 - Prob. 74ECh. 12 - Prob. 75ECh. 12 - Prob. 76ECh. 12 - Prob. 77ECh. 12 - Prob. 78ECh. 12 - Prob. 79ECh. 12 - Prob. 80ECh. 12 - Prob. 81ECh. 12 - Prob. 82ECh. 12 - Prob. 83ECh. 12 - Prob. 84ECh. 12 - Prob. 85ECh. 12 - 12.86 Write a balanced chemical equation for the...Ch. 12 - Prob. 87ECh. 12 - Prob. 88ECh. 12 - Prob. 89ECh. 12 - Prob. 90ECh. 12 - Prob. 91ECh. 12 - Prob. 92ECh. 12 - Prob. 93ECh. 12 - Prob. 94ECh. 12 - Explain why “bands” may not be the most accurate...Ch. 12 - Prob. 96ECh. 12 - Prob. 97ECh. 12 - Prob. 98ECh. 12 - Prob. 99ECh. 12 - An ideal quantum dot for use in TVs does not...Ch. 12 - Prob. 101ECh. 12 - Prob. 102ECh. 12 - Prob. 103AECh. 12 - Prob. 104AECh. 12 - Prob. 105AECh. 12 - Pure iron crystallizes in a body-centered cubic...Ch. 12 - Prob. 107AECh. 12 - Prob. 108AECh. 12 - Prob. 109AECh. 12 - What type of latticeprimitive cubic, body-centered...Ch. 12 - Prob. 111AECh. 12 - Prob. 112AECh. 12 - Prob. 113AECh. 12 - Energy bands are considered continuous due to the...Ch. 12 - Prob. 115AECh. 12 - Prob. 116AECh. 12 - Prob. 117AECh. 12 - Prob. 118AECh. 12 - Prob. 119AECh. 12 - Prob. 120AECh. 12 - Prob. 121AECh. 12 - Prob. 122AECh. 12 - Prob. 123AECh. 12 - The karat scale used to describe gold alloys is...Ch. 12 - 12.125 Spinel is a mineral that contains 37.9% AI,...Ch. 12 - Prob. 126IECh. 12 - Prob. 127IECh. 12 - Prob. 128IECh. 12 - Prob. 129IECh. 12 - Silicon has the diamond structure with a unit cell...Ch. 12 - Prob. 131IECh. 12 - Prob. 132IE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Use the Born-Haber cycle to calculate the lattice energy of NaCl. Be sure your answer has the correct number of significant digits. Process Heat of sublimation of Na (s) 1 Energy to dissociate Cl₂ to Cl 2 Electron affinity of Cl Ionization energy of Na Standard enthalpy of formation of NaCl kJ mol x10 X Ś Energy required 109. 121.4 - 348.6 495.8 - 411.2 kJ molarrow_forwardCalculate the lattice energy of RbH (s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. AHsublimation 61 kJ/mol Ionization energy = 383 kJ/mol Rb (s) Rb (g) H - H (g) Bond energy = 416 kJ/mol H (g) Electron affinity = -93 kJ/mol RbH (s) AHOf = -72 kJ/mol kJ/molarrow_forwardWhich of the equations shown in the image respresent the lattice A) Ca(s)+ Br2(g) → CaBr2(s) energy? B) Ca(g) +Br2(g) → CaBr2(s) C) Ca²*(g) + 2 Br´(g) → CaBr2(s) D) Ca2*(g) + Br22(g) → CaBr2(s)arrow_forward
- calculate the lattice energy of NaCl: Na(s)----> Na(g) = 109kj Cl2--->2Cl(g) = 243kj Na(g)----> Na+(g)+ e- = 496kJ Cl(g)+e------>Cl-(g) = -349kJ Na(s) + 1/2Cl2(g)----->NaCl(s) = -411kJarrow_forwardBased on Kapustinskii equation, calculate the lattice energy of AICI3. Given that: W=1.079 x 105 kJ.pm/mol and ionic radii are: Al3*= 68 pm and Cr= 167 pm. -7528 kJ/mol O- 1378 kJ/mol -5492 kJ/mol -1837 kJ/mol -5510 kJ/molarrow_forwardThe energy for the following reaction was measured to be -1033.0 kJ/mol. Mg(g) + 2 Cl(g) → MgCl,(s). Using this fact and the data in the table below, calculate the enthalpy (in kJ/mol) required to separate the ions from the lattice for this reaction: MgCl₂(s) → Mg²+(g) + 2Cl(g). Substance Ionization Energies (kJ/mol) Electron (kJ/mol) Mg (g) 737.8 0 Mg* (g) 1450.7 Cl (g) 1251.2 -349arrow_forward
- This thermodynamic cycle describes the formation of an ionic compound MX2 from a metal element M and nonmetal element X in their standard states. Based of the table (picture): A. What is the lattice enthalpy of MX2 ? (in kJ/mol) B. What is the enthalpy of formation of MX2 ? (in kJ/mol) C. Suppose both the electron affinity of X and the heat of sublimation of M were smaller. Would MX2 be more or less stable?arrow_forwardCalculate the lattice energy of magnesium sulfide Mg(s) → Mg(g) Mg(g) → Mg2+(g) + 2 e- S8(s) → 8 S(g) S(g) + 2 e→ S²(g) 8 Mg(s) + S8(s) → 8 MgS(s) Mg²+(g) + S²-(g) → MgS(s) www AH=148 kJ AH°2186 kJ AH°=+2232 kJ AH°450 kJ ΔΗ° = -2744 kJ AH° = ? kJarrow_forwardUsing available information, determine the energy change for the formation of the IONIC solid lithium fluoride using lithium and fluorine atoms, i.e. Li(g) + F (g) → LiF(s). IE1(Li) = 500 kJ/mole EA(F) = -300 kJ/mole Lattice energy (LiF) = -1000 kJ/molearrow_forward
- Use the following data to estimate Delta Hf for potassium chloride. K(s) + 1/2 Cl2(g) -> KCl(s) Lattice energy of KCl(s) –690. kJ/mol Ionization energy for K(g) 419 kJ/mol Electron affinity of Cl(g) –349 kJ/mol Bond energy of Cl2(g) 239 kJ/mol Enthalpy of sublimation for K (s) 90. kJ/mol = ?kJ/molarrow_forward16). Using the thermochemical data below calculate the lattice energy for the formation of Na₂O. Na(s) → Na(g) 107.3 kJ/mol Na(g) → Na (g) + 1 e - 495.9 kJ/mol -418 kJ/mol 249.1 kJ/mol -141 kJ/mol -1484.5 kJ/mol 2 Na(s) + O₂(g) →→→ Na₂O(s) 1/2 O₂(g) → 0(g) O(g) + 1 e→O(g) O(g) +1e0²(g)arrow_forwardCalculate the lattice formation enthalpy (lattice energy) of the lattice for MGF2(s), in kJ/mol, given the following information: Heat of sublimation 146 kJ/mol for Mg 713 kJ/mol First ionization 738 kJ/mol energy for Mg Second ionization 1451 kJ/mol energy for Mg Electron affinity 1 2 3 -328 kJ/mol of F Bond dissociation 158 kJ/mol energy of F2 4 6. C Heat of formation -1124 kJ/mol for MgF2 7 8 +/- х 100 +arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Cengage Learning
Types of Matter: Elements, Compounds and Mixtures; Author: Professor Dave Explains;https://www.youtube.com/watch?v=dggHWvFJ8Xs;License: Standard YouTube License, CC-BY