Connect 1-Semester Online Access for Principles of General, Organic & Biochemistry
2nd Edition
ISBN: 9780077633707
Author: Janice Smith
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 3, Problem 3.100AP
Which bond in each pair is more polar—that is, has the larger electronegativity difference between atoms?
- a. Si—O or Si—S
- b. H—F or H—Br
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Students have asked these similar questions
Which of the following hypothetical compounds has the strongest polar covalent bond?
a. XY - electronegativity difference of 0.6
b. XW - electronegativity difference of 1.5
c. XZ - electronegativity difference of 1.2
d. XA - electronegativity difference of 1.0
12. Bond breaking is an endothermic process. Bond energy is the energy needed to break or form
one mole of the bond.
a. Complete the table below and explain why the forward process is exothermic.
NEN + 3 H-H 2 H-N-H
H.
bond energy
kJ/mol
energy change
kJ
exothermic
or endothermic
bond
N N
944
+944
endothermic
H-H
436
3x 436 +1308
N-H
388
Use the electronegativity value to predict which bond in each of the following pairs is more polar and indicate the direction of bond polarity for that compound.
a. H3C—Cl or Cl—Cl
b.H3C—H or H—Cl
c.H3C—Li or Li—OH
Chapter 3 Solutions
Connect 1-Semester Online Access for Principles of General, Organic & Biochemistry
Ch. 3.1 - Predict whether the bonds in the following species...Ch. 3.2 - Write the ion symbol for an atom with the given...Ch. 3.2 - Prob. 3.4PCh. 3.2 - Prob. 3.5PCh. 3.2 - How many electrons and protons are contained in...Ch. 3.2 - Prob. 3.7PCh. 3.3 - Write the formula for the ionic compound formed...Ch. 3.3 - Prob. 3.9PCh. 3.4 - Prob. 3.10PCh. 3.4 - Give the symbol for each ion. a. stannous b....
Ch. 3.4 - Name each ionic compound. a. NaF b. MgO c. SrBr2...Ch. 3.4 - Name each ionic compound. a. CrCl3 b. PbS c. SnF4...Ch. 3.4 - Prob. 3.14PCh. 3.5 - List four physical properties of ionic compounds.Ch. 3.6 - Write the formula for the compound formed when K+...Ch. 3.6 - Prob. 3.17PCh. 3.6 - Name each compound. a. Na2CO3 b. Ca(OH)2 c....Ch. 3.6 - Prob. 3.19PCh. 3.7 - Use electron-dot symbols to show how a hydrogen...Ch. 3.7 - Prob. 3.21PCh. 3.8 - Draw a Lewis structure for each covalent molecule....Ch. 3.8 - Prob. 3.23PCh. 3.8 - Prob. 3.24PCh. 3.9 - Prob. 3.25PCh. 3.9 - Prob. 3.26PCh. 3.10 - Prob. 3.27PCh. 3.11 - Prob. 3.28PCh. 3.11 - Prob. 3.29PCh. 3.11 - Show the direction of the dipole in each bond....Ch. 3.12 - Prob. 3.31PCh. 3.12 - Prob. 3.32PCh. 3 - Which formulas represent ionic compounds and which...Ch. 3 - Which pairs of elements are likely to form ionic...Ch. 3 - Prob. 3.35UKCCh. 3 - Prob. 3.36UKCCh. 3 - Prob. 3.37UKCCh. 3 - Prob. 3.38UKCCh. 3 - Prob. 3.39UKCCh. 3 - Prob. 3.40UKCCh. 3 - Prob. 3.41UKCCh. 3 - Prob. 3.42UKCCh. 3 - Prob. 3.43UKCCh. 3 - Prob. 3.44UKCCh. 3 - Prob. 3.45UKCCh. 3 - Prob. 3.46UKCCh. 3 - (a) Translate each ball-and-stick model to a Lewis...Ch. 3 - Prob. 3.48UKCCh. 3 - Prob. 3.49APCh. 3 - How many protons and electrons are present in each...Ch. 3 - Prob. 3.51APCh. 3 - Prob. 3.52APCh. 3 - Prob. 3.53APCh. 3 - Give the ion symbol for each ion. a. barium ion b....Ch. 3 - Prob. 3.65APCh. 3 - Write the formula for the ionic compound formed...Ch. 3 - Prob. 3.67APCh. 3 - Prob. 3.68APCh. 3 - Name each ionic compound. a. Na2O b. BaS c. PbS2...Ch. 3 - Name each ionic compound. a. KF b. ZnCl2 c. Cu2S...Ch. 3 - Prob. 3.71APCh. 3 - Write formulas to illustrate the difference...Ch. 3 - Prob. 3.73APCh. 3 - Name each ionic compound. a. (NH4)2SO4 b. NaH2PO4...Ch. 3 - Prob. 3.75APCh. 3 - Prob. 3.76APCh. 3 - Prob. 3.77APCh. 3 - Label each statement as true or false. Correct any...Ch. 3 - Prob. 3.79APCh. 3 - Prob. 3.80APCh. 3 - Prob. 3.81APCh. 3 - Prob. 3.82APCh. 3 - Convert the 3-D model of oxalic acid into a Lewis...Ch. 3 - Convert the 3-D model of the general anesthetic...Ch. 3 - Prob. 3.85APCh. 3 - Prob. 3.86APCh. 3 - Prob. 3.87APCh. 3 - Prob. 3.88APCh. 3 - Prob. 3.89APCh. 3 - Prob. 3.90APCh. 3 - Prob. 3.91APCh. 3 - Prob. 3.92APCh. 3 - Prob. 3.93APCh. 3 - Prob. 3.94APCh. 3 - Rank the atoms in each group in order of...Ch. 3 - Prob. 3.96APCh. 3 - Prob. 3.97APCh. 3 - Prob. 3.98APCh. 3 - Prob. 3.99APCh. 3 - Which bond in each pair is more polarthat is, has...Ch. 3 - Prob. 3.101APCh. 3 - Prob. 3.102APCh. 3 - Isobutyl cyanoacrylate is used in medical glues to...Ch. 3 - Prob. 3.104APCh. 3 - Prob. 3.105CPCh. 3 - Prob. 3.106CP
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- Which statement(s) is/are true about bond enthalpy? (a) The bond energy for a triple bond between A and B is three times that of a single bond between A and B. (b) H for the breaking of a bond is always a negative number. (c) Energy is required to make a bond. (d) Bond enthalpy is defined only for bonds broken or formed in the gaseous state. (e) The presence of bonds does not influence the geometry of a molecule. However, the presence of bonds affects the value of the bond enthalpy between two atoms.arrow_forwardBond Enthalpy When atoms of the hypothetical element X are placed together, they rapidly undergo reaction to form the X2 molecule: X(g)+X(g)X2(g) a Would you predict that this reaction is exothermic or endothermic? Explain. b Is the bond enthalpy of X2 a positive or a negative quantity? Why? c Suppose H for the reaction is 500 kJ/mol. Estimate the bond enthalpy of the X2 molecule. d Another hypothetical molecular compound, Y2(g), has a bond enthalpy of 750 kJ/mol, and the molecular compound XY(g) has a bond enthalpy of 1500 kJ/mol. Using bond enthalpy information, calculate H for the following reaction. X2(g)+Y2(g)2XY(g) e Given the following information, as well as the information previously presented, predict whether or not the hypothetical ionic compound AX is likely to form. In this compound, A forms the A+ cation, and X forms the X anion. Be sure to justify your answer. Reaction: A(g)+12X2(g)AX(s)The first ionization energy of A(g) is 400 kJ/mol. The electron affinity of X(g) is 525 kJ/mol. The lattice energy of AX(s) is 100 kJ/mol. f If you predicted that no ionic compound would form from the reaction in Part e, what minimum amount of AX(s) lattice energy might lead to compound formation?arrow_forwardMethylcyanoacrylate is the active ingredient in super glues. Its Lewis structure is In this molecule, which is the (a) weakest carbon-containing bond? (b) strongest carbon-containing bond? (c) most polar bond?arrow_forward
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