Chemistry: The Molecular Science
5th Edition
ISBN: 9781285199047
Author: John W. Moore, Conrad L. Stanitski
Publisher: Cengage Learning
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Chapter 9, Problem 38QRT
Interpretation Introduction
Interpretation:
The reason behind the difference in the melting point of
Concept Introduction:
Coulomb’s law:
It states that the magnitude of the electrostatic force between two point charges is directly proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance between them.
Where,
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BaTiO3 has the perovskite structure shown below. The ionic size of Ba2+, Ti4*, and O2- are 0.161
nm, 0.061 nm, and 0.141 nm. The atomic mass of Ba, Ti, and O are 137 g/mol, 48 g/mol, and 16
g/mol.
Bal
Explain why Ti occupies the B site (cube center).
• Using the density of BaTiO3 of 5.89 g/mol, calculate the unit cell length for the structure.
If a Fe3+ substitutes for Tit* ion, what point defects might occur in BaTiO3?
2
Explain the phase diagram of CaO-MgO.
Chapter 9 Solutions
Chemistry: The Molecular Science
Ch. 9.1 - Prob. 9.1CECh. 9.2 - Prob. 9.2CECh. 9.2 - Prob. 9.1PSPCh. 9.2 - What mass (g) of ethanol, CH3CH2OH(), can be...Ch. 9.3 - Prob. 9.3CECh. 9.3 - Prob. 9.4CECh. 9.3 - Prob. 9.3PSPCh. 9.4 - What types of solids are these substances? (a) The...Ch. 9.4 - Prob. 9.5PSPCh. 9.4 - Prob. 9.5E
Ch. 9.4 - Prob. 9.6CECh. 9.4 - Sublimation is an excellent means of purification...Ch. 9.4 - Prob. 9.6PSPCh. 9.4 - Prob. 9.8ECh. 9.4 - Prob. 9.9ECh. 9.5 - Predict which liquid—glycerol, HOCH2CH(OH)CH2OH,...Ch. 9.5 - Prob. 9.11CECh. 9.6 - Crystalline polonium has a primitive cubic unit...Ch. 9.6 - Calculate the unit cell edge length of copper...Ch. 9.6 - Vanadium metal crystallizes in a body-centered...Ch. 9.6 - Prob. 9.13ECh. 9.6 - Prob. 9.14ECh. 9.6 - Prob. 9.9PSPCh. 9.9 - Prob. 9.10PSPCh. 9.9 - The graph below is obtained when a liquid metal is...Ch. 9.9 - Look in Appendix D and compare the electron...Ch. 9.11 - Prob. 9.11PSPCh. 9 - Prob. ISPCh. 9 - Prob. IISPCh. 9 - Prob. IIISPCh. 9 - Prob. 1QRTCh. 9 - Prob. 2QRTCh. 9 - Prob. 3QRTCh. 9 - Prob. 4QRTCh. 9 - Prob. 5QRTCh. 9 - Prob. 6QRTCh. 9 - Which processes are endothermic? (a) Condensation...Ch. 9 - Prob. 8QRTCh. 9 - Prob. 9QRTCh. 9 - Prob. 10QRTCh. 9 - Prob. 11QRTCh. 9 - Prob. 12QRTCh. 9 - Prob. 13QRTCh. 9 - After exercising on a hot summer day and working...Ch. 9 - Prob. 15QRTCh. 9 - The molar vaporization enthalpy of methanol is...Ch. 9 - Prob. 17QRTCh. 9 - Mercury is highly toxic. Although it is a liquid...Ch. 9 - Prob. 19QRTCh. 9 - Prob. 20QRTCh. 9 - Prob. 21QRTCh. 9 - Prob. 22QRTCh. 9 - Prob. 23QRTCh. 9 - Prob. 24QRTCh. 9 - Prob. 25QRTCh. 9 - Prob. 26QRTCh. 9 - A liquid has a vapH of 38.7 kJ/mol and a boiling...Ch. 9 - Prob. 28QRTCh. 9 - The vapor pressure of ethanol, C2H5OH, at 50.0 C...Ch. 9 - Prob. 30QRTCh. 9 - Prob. 31QRTCh. 9 - Prob. 32QRTCh. 9 - Which would you expect to have the higher fusion...Ch. 9 - Prob. 34QRTCh. 9 - Prob. 35QRTCh. 9 - Prob. 36QRTCh. 9 - Prob. 37QRTCh. 9 - Prob. 38QRTCh. 9 - Prob. 39QRTCh. 9 - Prob. 40QRTCh. 9 - Prob. 41QRTCh. 9 - Prob. 42QRTCh. 9 - Prob. 43QRTCh. 9 - Prob. 44QRTCh. 9 - At the critical point for carbon dioxide, the...Ch. 9 - Prob. 46QRTCh. 9 - Prob. 47QRTCh. 9 - On the basis of the description given, classify...Ch. 9 - On the basis of the description given, classify...Ch. 9 - Prob. 50QRTCh. 9 - Prob. 51QRTCh. 9 - Prob. 52QRTCh. 9 - Prob. 53QRTCh. 9 - Prob. 54QRTCh. 9 - Prob. 55QRTCh. 9 - Prob. 56QRTCh. 9 - Prob. 57QRTCh. 9 - Prob. 58QRTCh. 9 - Prob. 59QRTCh. 9 - Prob. 60QRTCh. 9 - Prob. 61QRTCh. 9 - The ionic radii of Cs+ and Cl are 181 and 167 pm,...Ch. 9 - Prob. 63QRTCh. 9 - Prob. 64QRTCh. 9 - Prob. 65QRTCh. 9 - Tungsten has a body-centered cubic unit cell and...Ch. 9 - Prob. 67QRTCh. 9 - Prob. 68QRTCh. 9 - Prob. 69QRTCh. 9 - Prob. 70QRTCh. 9 - Prob. 71QRTCh. 9 - Prob. 72QRTCh. 9 - Prob. 73QRTCh. 9 - Prob. 74QRTCh. 9 - Prob. 75QRTCh. 9 - Prob. 76QRTCh. 9 - Prob. 77QRTCh. 9 - Prob. 78QRTCh. 9 - Prob. 79QRTCh. 9 - Prob. 80QRTCh. 9 - Which substance has the greatest electrical...Ch. 9 - Prob. 82QRTCh. 9 - Prob. 83QRTCh. 9 - Prob. 84QRTCh. 9 - Prob. 85QRTCh. 9 - Prob. 86QRTCh. 9 - What makes a glass different from a crystalline...Ch. 9 - Prob. 88QRTCh. 9 - Prob. 89QRTCh. 9 - Prob. 90QRTCh. 9 - Will a closed container of water at 70 C or an...Ch. 9 - Prob. 92QRTCh. 9 - Prob. 95QRTCh. 9 - Prob. 96QRTCh. 9 - Prob. 97QRTCh. 9 - Prob. 98QRTCh. 9 - Prob. 99QRTCh. 9 - Prob. 100QRTCh. 9 - Prob. 101QRTCh. 9 - Prob. 102QRTCh. 9 - Prob. 103QRTCh. 9 - Consider this information regarding two compounds....Ch. 9 - Prob. 105QRTCh. 9 - Prob. 106QRTCh. 9 - If you get boiling water at 100 C on your skin, it...Ch. 9 - Prob. 108QRTCh. 9 - The normal boiling point of SO2 is 263.1 K and...Ch. 9 - Butane is a gas at room temperature; however, if...Ch. 9 - Prob. 111QRTCh. 9 - Examine the nanoscale diagrams and the phase...Ch. 9 - Consider the phase diagram and heating-curve...Ch. 9 - Prob. 115QRTCh. 9 - Prob. 116QRTCh. 9 - The phase diagram for water over a relative narrow...Ch. 9 - Prob. 118QRTCh. 9 - Prob. 119QRTCh. 9 - Prob. 120QRTCh. 9 - Prob. 121QRTCh. 9 - Prob. 122QRTCh. 9 - Titanium metal crystallizes in a body-centered...Ch. 9 - Prob. 9.ACPCh. 9 - Prob. 9.BCPCh. 9 - Prob. 9.CCP
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- Calculate the energy needed to dissociate 1.00 mol of crystalline RbCl into its gaseous ions if the Madelung constant for its structure is 1.7476 and the radii of Rb1 and Cl- are 1.48 Å and 1.81 Å, respectively. Assume that the repulsive energy reduces the lattice energy by 10% from the pure Coulomb energyarrow_forwardA (made-up) metal has a face-centered cubic crystal structure. Its density is 20.5 g/cm 3. Its molar mass is 189 g/mol. What is the radius of an atom of the metal? O 9.39 x 10 7 cm 1.39 x 10 8 cm 8.02 x 10 7 cm 2.60 x 10 -9 cm 1.84 cm x 108 2.69 x 10 8 cm 2.49 x 10 9 cm 1.51 x 10 8 cm O O Oarrow_forwardCuI, CsI, and NaI each adopt a different type of structure.The three different structures are those shownin Figure 12.26. (a) Use ionic radii, Cs+ 1r = 1.81 A° 2,Na+ 1r = 1.16 A° 2, Cu+ 1r = 0.74 A° 2, and, I- 1r = 2.06 A° 2, topredict which compound will crystallize with which structure.(b) What is the coordination number of iodide in eachof these structures?arrow_forward
- Q1/A B) Describe the Bohr model of hydrogen atom. What are the shortcomings of the Bohr model? Prove that the atomic packing factor (APF) for the BCC crystal structure is 0.68.arrow_forward5. Strontium (Sr: [Kr]5s?) crystal has a mass density of 2.64 g/cm' and a molar mass of 87.62 g/mol. (a) What is the type of interactions holding Sr atoms together in the crystal? (b) Estimate the free electron concentration of Sr crystal. (c) Calculate Fermi energy and Fermi velocity of electrons in Sr crystal. (d) What is the probability that an electronic orbital at an energy of 5.0 eV will be occupied at room temperature (i.e., at 300 K)?arrow_forwardCalculate the lattice enthalpy of MgBr2 given the following data below: Enthalpy of sublimation of Mg = +148 kJ/mol lonization enthalpy of Mg to Mg²* = +2187 kJ/mol Enthalpy of vaporization of Br2(1) = + 31 kJ/mol Enthalpy of dissociation of Br2(g) = +193 kJ/mol Enthalpy of electron affinity of Br(g) = 331 kJ/mol Enthalpy of formation of MgBr2(s) from Mg(s) and Br2(1) = -524 kJ/mol O a. 2197 kJ/mol O b. 3745 kJ/mol Ос. 2421 kJ/mol O d. 2390 kJ/mol O e. 2752 kJ/molarrow_forward
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- 2.) Given this information, answer the following questions for crystalline CsBr.ionic radius of Cs: 0.167 nmionic radius of Br: 0.196 nmatomic mass of Cs: 132.9 g/moleatomic mass of Br: 79.9 g/mole a. What is its expected crystal structure? Justify your answer.b. What is its theoretical lattice parameter?c. What is its theoretical density (in g/cm3)?arrow_forwardThe internuclear distance between two closest Kr atoms in solid krypton is about 4.0 Å. The polarizability of krypton is 2.54×10-30 m3, and the first ionization energy is 1351 kJ•mol-1. Estimate the boiling point of krypton. [Hint: Calculate the potential energy due to dispersion interaction for solid krypton, and equate this quantity to the average kinetic energy of 1 mole of krypton gas, which is (3/2)RT.] 4.0 K Supporting Materials Periodic Table I Constants and Supplemental Data Factorsarrow_forwardSilicon has a face-centred cubic structure with two atoms per lattice point, just like diamond. At 25°C, a = 543.1 pm. What is the density of silicon? What is the Si-Si bond length?arrow_forward
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