Chemistry: The Central Science (13th Edition)
13th Edition
ISBN: 9780321910417
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 2.7, Problem 2.9.2PE
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
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
mol
Chapter 2 Solutions
Chemistry: The Central Science (13th Edition)
Ch. 2.3 - Prob. 2.1.1PECh. 2.3 - Prob. 2.1.2PECh. 2.3 - Prob. 2.2.1PECh. 2.3 - Prob. 2.2.2PECh. 2.3 - Prob. 2.3.1PECh. 2.3 - Prob. 2.3.2PECh. 2.4 - Practice Exercise 1 The atomic weight of copper,...Ch. 2.4 - Prob. 2.4.2PECh. 2.5 - Prob. 2.5.1PECh. 2.5 - Prob. 2.5.2PE
Ch. 2.6 - 11.93 The vapor pressure of ethanol (C2H5OH) at 19...Ch. 2.6 - Prob. 2.6.2PECh. 2.7 - Prob. 2.7.1PECh. 2.7 - Prob. 2.7.2PECh. 2.7 - Prob. 2.8.1PECh. 2.7 - Consider the two-dimensional square lattice of...Ch. 2.7 - Prob. 2.9.1PECh. 2.7 - Given the ionic radii and molar masses of Sc3+...Ch. 2.7 - Prob. 2.10.1PECh. 2.7 - Prob. 2.10.2PECh. 2.8 - Prob. 2.11.1PECh. 2.8 - Prob. 2.11.2PECh. 2.8 - Prob. 2.12.1PECh. 2.8 - Prob. 2.12.2PECh. 2.8 - Prob. 2.13.1PECh. 2.8 - The table below shows the normal boiling points of...Ch. 2.8 - Prob. 2.14.1PECh. 2.8 - Prob. 2.14.2PECh. 2.9 - Prob. 2.15.1PECh. 2.9 - Prob. 2.15.2PECh. 2 - Prob. 1ECh. 2 - At 280C, raw milk sours in 4.0 h but takes 48 h to...Ch. 2 - At 900 o C, Kc = 0.0108 for the reaction CaCO3(g) ...Ch. 2 - Calculate the molar concentration of OH- in a...Ch. 2 - Pyridinium bromide (C5H5NHBr) is a strong...Ch. 2 - Prob. 6ECh. 2 - Prob. 7ECh. 2 - Prob. 8ECh. 2 - Prob. 9ECh. 2 - Indicate whether each statement is true or false:...Ch. 2 - Prob. 11ECh. 2 - Prob. 12ECh. 2 - Prob. 13ECh. 2 - At 20 oC, the vapor pressure of benzene (C6 H6) is...Ch. 2 - Summarize the evidence used by J. J. Thomson to...Ch. 2 - Prob. 16ECh. 2 - Prob. 17ECh. 2 - Prob. 18ECh. 2 - Suppose the rate law for the reaction in this...Ch. 2 - Practice Exercise 1 Using the data in Sample...Ch. 2 - Which of the following linear plots do you expect...Ch. 2 - A flask is charged with 0.100 mol of A and allowed...Ch. 2 - Prob. 23ECh. 2 - Prob. 24ECh. 2 - Prob. 25ECh. 2 - Prob. 26ECh. 2 - The addition of No accelerates the decomposition...Ch. 2 - Prob. 28ECh. 2 - Prob. 29ECh. 2 - The rates of many atmospheric reactions are...Ch. 2 - Prob. 31ECh. 2 - Prob. 32ECh. 2 - Prob. 33ECh. 2 - 15.23 The equilibrium constant for the...Ch. 2 - A mixture of 0.10 mol of NO, 0.050 mol of H2, and...Ch. 2 - Prob. 36ECh. 2 - Prob. 37ECh. 2 - Prob. 38ECh. 2 - Prob. 39ECh. 2 - Prob. 40ECh. 2 - Practice Exercise 1 Order the following three...Ch. 2 - Practice Exercise 1 What is the pH of a 0.28 M...Ch. 2 - Prob. 43ECh. 2 - Which of the following diagrams best represent an...Ch. 2 - Prob. 45ECh. 2 - Prob. 46ECh. 2 - Prob. 47ECh. 2 - Prob. 48ECh. 2 - Prob. 49ECh. 2 - 16.72 Calculate the molar concentration of OH- in...Ch. 2 - Prob. 51ECh. 2 - Prob. 52ECh. 2 - Prob. 53ECh. 2 - Prob. 54ECh. 2 - a. Given that Ka for acetic acid is 1.8 10-5 and...Ch. 2 - 16.78
a. Given that Kb for ammonia is 1.8 X 10 -5...Ch. 2 - Prob. 57ECh. 2 - Prob. 58ECh. 2 - Prob. 59ECh. 2 - Prob. 60ECh. 2 - Prob. 61ECh. 2 - Prob. 62ECh. 2 - 16.86 An unknown salt is either KBr, NH4 C1, KCN,...Ch. 2 - Prob. 64ECh. 2 - Prob. 65ECh. 2 - 16.89 Based on their compositions and structures...Ch. 2 - Prob. 67ECh. 2 - 16.91 Indicate whether each of the following...Ch. 2 - Prob. 69ECh. 2 - Prob. 70ECh. 2 - Prob. 71ECh. 2 - Prob. 72ECh. 2 - Prob. 73ECh. 2 - Prob. 74ECh. 2 - Prob. 75ECh. 2 - Prob. 76ECh. 2 - Prob. 77ECh. 2 - Prob. 78ECh. 2 - Prob. 79ECh. 2 - Benzoic acid (C6H5COOH) and aniline (C6H5NH2) are...Ch. 2 - Prob. 81ECh. 2 - Prob. 82ECh. 2 - Prob. 83ECh. 2 - Butyric acid is responsible for the foul smell of...Ch. 2 - Prob. 85ECh. 2 - Prob. 86ECh. 2 - Prob. 87AECh. 2 - 1S.113 Many moderately large organic molecules...Ch. 2 - Prob. 89AECh. 2 - Prob. 90AECh. 2 - Prob. 91AECh. 2 - Prob. 92AECh. 2 - Prob. 93AECh. 2 - 16.120 At 50 oC, the ion-product constant for H2...Ch. 2 - Prob. 95AECh. 2 - Prob. 96AECh. 2 - Prob. 97AECh. 2 - Prob. 98AECh. 2 - Prob. 99AECh. 2 - Which two statements about gas mixtures are true?...Ch. 2 - Prob. 101AECh. 2 - 13.6 If you compare the solubilities of the noble...Ch. 2 - Prob. 103AECh. 2 - Prob. 104AECh. 2 - Suppose you had a balloon made of some highly...Ch. 2 - Prob. 106AECh. 2 - Indicate whether each statement is true or false:...Ch. 2 - Indicate the type of solute-solvent interaction...Ch. 2 - An ionic compound has a very negative H soln in...Ch. 2 - Prob. 110AECh. 2 - Prob. 111AECh. 2 - The solubility of Cr (NO3)3 . 9 H2O in water is...
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
- 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) + 931arrow_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_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 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_forwardcalculate 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_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
- Calculate 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_forwardThis 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_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
- 16). 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_forwardUse 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_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