What is the formula for an ionic compound containingBaA2+BaClBBа 2CClions and Cl ions?BaCl2DBaClgClassify the following compound as covalent (molecular) or ionic: KBrMolecularBIonic

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Answered: What is the formula for an ionic…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter9: Chemical Bonds

Section: Chapter Questions

Problem 9.6QE

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9. Given the information below, determine the lattice energy of MgCl2. Mg(s) - Mg(g) DH°f = +147.1 kJ/mol ½ Cl2(g) – CI(g) DH2°f = +122 kJ/mol Mg(g) – Mg*(g) DH3°t = +738 kJ/mol Mg*(g) Mg* (g) DH4°F = +1450 kJ/mol Cl(g) - Cl (g) DH5°f = -349 kJ/mol Mg(s) + Cl2(g) – MgCl2(s) DH6°r = -641 kJ/mol
For the following chemical reaction determine the heat of reaction (Bond enthalpy). Is this reaction exothermic or endothermic? H2C == CH2 + HCl ⟶⟶ CH3CH2Cl Bond Energy: C–H : 100 kcal/mol ; C=C: 145kcal/mol ; C-C: 83 kcal/mol ; H-Cl: 102 kcal/mol ; C-Cl : 81 kcal/mol bonds in reactant : 4 C-H , C=C, H-Cl bonds in Products: C-C, 5 C-H, C-Cl
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GO and O-H bonds are stronger than C-C and C-H bonds, because C-O bonds and O-H bonds e polar. The partial charges on the atoms result in stronger attraction between the atoms. This is why combustion reactions are exothermic and why fossil fuels are so valuable Which of the following reactions would you predict to be endothermic? a) 200 + 4H2 > CHạ + 02 b) 2H2(8) + Oz(8) → 2H;O(1) c) Na(s) + Chie) → 2NACI(s) d) paper burning to form CO; and H20 6) Consider the reaction CH3OH + HBr > CH,Br + H;0 Draw the Lewis structures for reactants and products. Which bonds are broken in this reaction? Which bonds are formed? Use the table below to determine if this reaction is exothermic or endothermic and the value for AH. Table 5.4 Average Bond Enthalpies (kJ/mol) C-H 413 N-H 391 0-H 463 155 C-C 348 N-N 163 0-0 146 614 N-O 201 495 d-F 253 C-N 293 N-F 272 0-F 190 C-a 242 C-O 358 N-C 200 2113 799 N-ir 24.1 0-1 234 lir- 237 C-F 485 218 C-a 328 H-H 436 Br-Br 193 C-Br 276 H-F 567 C-I 240 H-CI 431 208…
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What is the formula for an ionic compound containing Ba A 2+ BaCl B Bа 2 C Cl ions and Cl ions? BaCl2 D BaClg Classify the following compound as covalent (molecular ) or ionic: KBr Molecular B Ionic