FOUND.OF COLLEGE CHEMISTRY
15th Edition
ISBN: 9781119234555
Author: Hein
Publisher: WILEY
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Chapter 19, Problem 65AE
Interpretation Introduction
Interpretation:
Lewis structure of
Concept Introduction:
Lewis structure:
Bonds between atoms and lone pairs of electrons are shown in the doted structure is known as Lewis dot structure.
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Calculate the Enthalpy Change (ΔH) from average bond energies, which have been listed below in KJ/mol, for the following reaction and identify the nature of the reaction:
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Chapter 19 Solutions
FOUND.OF COLLEGE CHEMISTRY
Ch. 19.2 - Prob. 19.1PCh. 19.3 - Prob. 19.2PCh. 19.3 - Prob. 19.3PCh. 19.3 - Prob. 19.4PCh. 19.4 - Prob. 19.5PCh. 19.5 - Prob. 19.6PCh. 19.6 - Prob. 19.7PCh. 19.7 - Prob. 19.8PCh. 19.8 - Prob. 19.9PCh. 19.9 - Prob. 19.10P
Ch. 19.10 - Prob. 19.11PCh. 19.11 - Prob. 19.12PCh. 19.12 - Prob. 19.13PCh. 19 - Prob. 1RQCh. 19 - Prob. 2RQCh. 19 - Prob. 3RQCh. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Prob. 7RQCh. 19 - Prob. 8RQCh. 19 - Prob. 9RQCh. 19 - Prob. 10RQCh. 19 - Prob. 11RQCh. 19 - Prob. 12RQCh. 19 - Prob. 13RQCh. 19 - Prob. 14RQCh. 19 - Prob. 15RQCh. 19 - Prob. 16RQCh. 19 - Prob. 17RQCh. 19 - Prob. 18RQCh. 19 - Prob. 19RQCh. 19 - Prob. 20RQCh. 19 - Prob. 21RQCh. 19 - Prob. 23RQCh. 19 - Prob. 24RQCh. 19 - Prob. 25RQCh. 19 - Prob. 26RQCh. 19 - Prob. 27RQCh. 19 - Prob. 28RQCh. 19 - Prob. 29RQCh. 19 - Prob. 30RQCh. 19 - Prob. 31RQCh. 19 - Prob. 32RQCh. 19 - Prob. 33RQCh. 19 - Prob. 34RQCh. 19 - Prob. 35RQCh. 19 - Prob. 36RQCh. 19 - Prob. 37RQCh. 19 - Prob. 1PECh. 19 - Prob. 2PECh. 19 - Prob. 3PECh. 19 - Prob. 4PECh. 19 - Prob. 5PECh. 19 - Prob. 6PECh. 19 - Prob. 7PECh. 19 - Prob. 8PECh. 19 - Prob. 9PECh. 19 - Prob. 10PECh. 19 - Prob. 11PECh. 19 - Prob. 12PECh. 19 - Prob. 13PECh. 19 - Prob. 14PECh. 19 - Prob. 15PECh. 19 - Prob. 16PECh. 19 - Prob. 17PECh. 19 - Prob. 18PECh. 19 - Prob. 19PECh. 19 - Prob. 20PECh. 19 - Prob. 21PECh. 19 - Prob. 22PECh. 19 - Prob. 23PECh. 19 - Prob. 24PECh. 19 - Prob. 25PECh. 19 - Prob. 26PECh. 19 - Prob. 27PECh. 19 - Prob. 28PECh. 19 - Prob. 29PECh. 19 - Prob. 30PECh. 19 - Prob. 31PECh. 19 - Prob. 32PECh. 19 - Prob. 33PECh. 19 - Prob. 34PECh. 19 - Prob. 35PECh. 19 - Prob. 36PECh. 19 - Prob. 37PECh. 19 - Prob. 38PECh. 19 - Prob. 39PECh. 19 - Prob. 40PECh. 19 - Prob. 41PECh. 19 - Prob. 42PECh. 19 - Prob. 43PECh. 19 - Prob. 44PECh. 19 - Prob. 45PECh. 19 - Prob. 46PECh. 19 - Prob. 47PECh. 19 - Prob. 48PECh. 19 - Prob. 49PECh. 19 - Prob. 50PECh. 19 - Prob. 51PECh. 19 - Prob. 52PECh. 19 - Prob. 53PECh. 19 - Prob. 54PECh. 19 - Prob. 55PECh. 19 - Prob. 56PECh. 19 - Prob. 57PECh. 19 - Prob. 58PECh. 19 - Prob. 59PECh. 19 - Prob. 60PECh. 19 - Prob. 61PECh. 19 - Prob. 62PECh. 19 - Prob. 63PECh. 19 - Prob. 64PECh. 19 - Prob. 65AECh. 19 - Prob. 66AECh. 19 - Prob. 67AECh. 19 - Prob. 68AECh. 19 - Prob. 69AECh. 19 - Prob. 70AECh. 19 - Prob. 71AECh. 19 - Prob. 72AECh. 19 - Prob. 73AECh. 19 - Prob. 74AECh. 19 - Prob. 75AECh. 19 - Prob. 76AECh. 19 - Prob. 77AECh. 19 - Prob. 78AECh. 19 - Prob. 79AECh. 19 - Prob. 80AECh. 19 - Prob. 81AECh. 19 - Prob. 82AECh. 19 - Prob. 83AECh. 19 - Prob. 84AECh. 19 - Prob. 85AECh. 19 - Prob. 86AECh. 19 - Prob. 87AECh. 19 - Prob. 89AECh. 19 - Prob. 90AE
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- Draw the Lewis structure for the ethylene C2H4 moleculearrow_forwardCompare the polarity of the C-Cl bond in (CH3)3C-Cl with the polarity of the Si-Cl bond in (CH3)3Si-Cl.arrow_forwardThe average bond energy (enthalpy) for a C=CC=C double bond is 614 kJ/molkJ/mol and that of a C−CC−C single bond is 348 kJ/molkJ/mol. Estimate the energy needed to break only the ππ bond of the double bond of 2-butene. Express your answer numerically in joules per molecule.arrow_forward
- Consider the acid-base reaction between iodoethane (CH3CH2I) and hydroxide (-OH). CH3CH2I + OH- --> CH3CH2OH + l- Use the table of bond energies to estimate the change in enthalpy (∆H in kJ/mol) for this reaction. Think about the bonds that are broken and that are formed. This reaction is endothermic, exothermic or energy neutral Using your calculation, what can you say about the strengths of the bonds? -The bonds before the reaction are stronger than the bonds after the reaction. -The bonds after the reaction are stronger than the bonds before the reaction. or -The bonds before and after the reaction are equivalent in strength.arrow_forwardMethanal can be made through the partial oxidation of methane using O2 in the presence of a catalyst: CH4 (g) + O2 (g) → CH2O(g) + H,O(g) a. Use bond dissociation enthalpies to estimate the enthalpy change for this reaction. Bond ΔΗ (kJ/mol) C-H 413 O=0 498 O=C 745 0-H 463 Enthalpy change = kJ b. Calculate the enthalpy change for this reaction from enthalpies of formation. Substance A;H (kJ/mol) CH4 (g) -74.87 O2 (g) H2 O(g) -241.8 CH20(g) -115.9 Enthalpy change kJarrow_forwardAssume that a car burns pure octane. C8H18 (d = 0.703 g/cm3) (a) Write the balanced equation for burning octane in air. forming CO2 and H2O. (b) If the car has a fuel efficiency of 32 miles per gallon of octane, what volume of CO2 at 25 C and 1.0 atm is generated when the car goes on a 10.0-mile trip? (The volume of 1 mol CO2(g) at 25 C and 1 atm is 24.5 L.)arrow_forward
- What is the meaning of the term tertiary (3) when it is used to classify alcohols? Draw a structural formula for the one tertiary (3) alcohol with the molecular formula C4H10O.arrow_forwardIdentify the hybrid and atomic orbitals involved in the CH and CC bonds in acetylene.arrow_forwardwhat does a benzene C6H6 look like in a model? Is it linear, trigonal planar or tetrahedral? What are the bond angles? Is it flexible or rigid?arrow_forward
- Methyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Write a Lewis structure for methyl isocyanate and predict its bond angles. What is the hybridization of its carbonyl carbon? Of its nitrogen atom?arrow_forwardWrite the Lewis dot structure for dicarbon tetrahydride.arrow_forwardFormation of ammonia from nitrogen and hydrogen is an exothermic process. Which of the following statements is true about the bonds that are broken and formed during this reaction? N2(g) + 3H2(g) ---> 2NH3(g) a.) products have lower PE because product bonds are weaker than reactants b.) products have higher PE because product bonds are stronger than reactants c.) products have higher PE because product bonds are weaker than reactants d.) products have lower PE because product bonds are stronger than reactantsarrow_forward
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