ACCESS CODE W/E TEXT CONNECT
5th Edition
ISBN: 9781260162660
Author: BAUER
Publisher: MCG
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Textbook Question
Chapter 8, Problem 66QP
Describe the bonding in
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Consider hypothetical elements X2 and Y2. Suppose the enthalpy of formation of the compound XY is – 84 kJ/mol, the bond energy for X2 is 105 kJ/mol, and the bond energy for Y2 is 58 kJ/mol.
A)Estimate the XY bond energy, Ed, in units of kJ/mol.
B)If the dissociation of a X-Y molecule were accomplished by the absorption of a single photon whose energy was exactly the quantity required, what would be its wavelength in nm?
C)Would a green-light photon (λgreen=550 nm) be able to break the above X-Y bond? Explain.
Selenium tetrafluoride is produced from a reaction of elemental Se with chlorine trifluoride
according to the balanced chemical equation:
3 Se(g) + 4 CIF3(g) → 3 SEF4(g) + 2 Cl2(g)
AHrxn = -1874 kJ
Using AHrxn and the table of bond energies below, determine the bond energy of the Se-F
bonds in SeF4.
Note that all bonds in the reactants and products are single bonds.
Bond
Bond Energy (k.J/mol)
CI-F
253
CI-CI
243
The units are kJ/mol. Do not include units in your answer. Scientific notation is optional. To write
scientific notation in Canvas, type "e" to replace "x 10". For example, "1 x 1014" is written "1e+14"
in Canvas.
Explain formation of covalent bonds in the following chemical compounds (using
three theories).
NH KF
Ar2, C:Br Hz , BeCl2.
Chapter 8 Solutions
ACCESS CODE W/E TEXT CONNECT
Ch. 8 - Prob. 1QCCh. 8 - Prob. 2QCCh. 8 - Prob. 3QCCh. 8 - Prob. 4QCCh. 8 - Prob. 5QCCh. 8 - Prob. 1PPCh. 8 - Prob. 2PPCh. 8 - Prob. 3PPCh. 8 - Prob. 4PPCh. 8 - Prob. 5PP
Ch. 8 - Prob. 6PPCh. 8 - Prob. 7PPCh. 8 - Prob. 8PPCh. 8 - Prob. 9PPCh. 8 - Prob. 10PPCh. 8 - Prob. 11PPCh. 8 - Prob. 1QPCh. 8 - Prob. 2QPCh. 8 - What is a chemical bond?Ch. 8 - Describe the difference between ionic and covalent...Ch. 8 - Which type of elements are most likely to form...Ch. 8 - Which type of elements are most likely to form...Ch. 8 - Prob. 7QPCh. 8 - Which of the following compounds are likely to...Ch. 8 - Prob. 9QPCh. 8 - Prob. 10QPCh. 8 - Prob. 13QPCh. 8 - Which of the following compounds are likely to...Ch. 8 - Predict whether each of the following substances...Ch. 8 - Prob. 16QPCh. 8 - Describe how electronegativity values change going...Ch. 8 - Compare the electronegativity of metallic and...Ch. 8 - What kind of bonds are always nonpolar?Ch. 8 - Describe how to decide whether a bond is polar.Ch. 8 - Prob. 21QPCh. 8 - Using periodic trends, arrange the following atoms...Ch. 8 - Prob. 23QPCh. 8 - Prob. 24QPCh. 8 - Prob. 25QPCh. 8 - Arrange the following bonds in order of increasing...Ch. 8 - What information can be determine from Lewis...Ch. 8 - What is the maximum number of valence electrons...Ch. 8 - Draw Lewis symbols showing the valence electrons...Ch. 8 - Draw Lewis symbols showing the valence electrons...Ch. 8 - Draw Lewis symbols showing the valence electrons...Ch. 8 - Prob. 32QPCh. 8 - Write a formula for each of the following ionic...Ch. 8 - Write a formula for each of the following ionic...Ch. 8 - Prob. 35QPCh. 8 - Prob. 36QPCh. 8 - Prob. 37QPCh. 8 - Prob. 38QPCh. 8 - Prob. 39QPCh. 8 - What holds ions together in a crystal lattice?Ch. 8 - Describe the sodium chloride structure shown in...Ch. 8 - Describe the cesium chloride structure shown in...Ch. 8 - Why does CaF2 have a different crystal structure...Ch. 8 - Prob. 44QPCh. 8 - Draw the Lewis structures for O2andF2. (a) How...Ch. 8 - Draw the Lewis structures for I2andN2. (a) How...Ch. 8 - Why does hydrogen exist as a diatomic molecules?Ch. 8 - How many electrons does each hydrogen have in the...Ch. 8 - How many single bonds are typically formed by the...Ch. 8 - How many single bonds are typically formed by the...Ch. 8 - Identify a main-group element (X) could form each...Ch. 8 - Identify a main-group element (X) could form each...Ch. 8 - Prob. 53QPCh. 8 - Draw a Lewis structure for each of the following:...Ch. 8 - Draw a Lewis structure for each of the following:...Ch. 8 - Prob. 56QPCh. 8 - Prob. 57QPCh. 8 - Prob. 58QPCh. 8 - Prob. 59QPCh. 8 - How is the concept of resonance consistence with...Ch. 8 - Prob. 61QPCh. 8 - Indicate whether or not each of the following...Ch. 8 - Draw a Lewis structure, include the resonance...Ch. 8 - Prob. 64QPCh. 8 - In HF, the hydrogen atoms shares two electrons...Ch. 8 - Describe the bonding in S2Cl2. The atom are...Ch. 8 - Decide whether the indicated atoms obeys the octet...Ch. 8 - Decide whether the indicated atom obeys the octet...Ch. 8 - An atom of the following molecules does not obey...Ch. 8 - An atom of the following molecules does not obey...Ch. 8 - Prob. 71QPCh. 8 - Prob. 72QPCh. 8 - Draw the Lewis structure of benzene, C6H6, a...Ch. 8 - Prob. 74QPCh. 8 - Prob. 75QPCh. 8 - Prob. 76QPCh. 8 - Prob. 77QPCh. 8 - Prob. 78QPCh. 8 - Identify the class of class of substance for each...Ch. 8 - Prob. 80QPCh. 8 - Draw the Lewis structure for an aldehyde that has...Ch. 8 - Draw the Lewis structure for ketone that has the...Ch. 8 - Prob. 83QPCh. 8 - Why are unshared pairs of electrons on a central...Ch. 8 - Why is it important to draw Lewis structures...Ch. 8 - Explain how nonbonding pairs of electrons...Ch. 8 - Draw each of the following geometric arrangements....Ch. 8 - In which of the following molecular shapes would...Ch. 8 - Predict the parent structures of the following...Ch. 8 - Predict the parent structures of the following...Ch. 8 - Predict the parent structures of the following...Ch. 8 - Predict the shapes and gives approximate bond...Ch. 8 - Predict the bond angles in the following...Ch. 8 - Predict the bond angles in the following...Ch. 8 - Prob. 95QPCh. 8 - Prob. 96QPCh. 8 - Prob. 97QPCh. 8 - Prob. 98QPCh. 8 - Is this the shape of NO3 or ClO3?Ch. 8 - Is this shape of
Ch. 8 - Which of the following molecules or ions have...Ch. 8 - Which of the following molecules or ions have...Ch. 8 - Hydrazine, N2H4, is a colorless, oily liquid that...Ch. 8 - Oxalic acid, H2C2O4, a poisonous colorless solid,...Ch. 8 - Chloropicrin, Cl3CNO2, is an insecticide that has...Ch. 8 - Fuel cell are used in many areas, such as the...Ch. 8 - Distinguish between bond polarity and molecular...Ch. 8 - Why does molecular polarity depend not only on...Ch. 8 - Explain how carbon tetrachloride can have polar...Ch. 8 - Explain why hydrocarbons are all essentially...Ch. 8 - Are the following molecules polar or nonpolar?...Ch. 8 - Are the following molecules polar or nonpolar?...Ch. 8 - For each pair of molecules decide which molecule...Ch. 8 - Explain why the first molecule of each pair is...Ch. 8 - Prob. 115QPCh. 8 - Prob. 116QPCh. 8 - Which molecule, CF4orCCl2F2, is most likely to be...Ch. 8 - Which molecule, SO2orCO2, is most likely to be...Ch. 8 - Which of these molecules is polar? Assume the...Ch. 8 - Which of these molecules is polar? Assume the...Ch. 8 - Draw Lewis symbols showing the valence electrons...Ch. 8 - Draw Lewis symbols showing the valence electrons...Ch. 8 - Arrange the following atoms in order of decreasing...Ch. 8 - Prob. 124QPCh. 8 - Classify each of the following substances...Ch. 8 - Draw a Lewis structure for each of the following....Ch. 8 - Prob. 127QPCh. 8 - Draw a Lewis structure, including the resonance...Ch. 8 - Draw the Lewis structure for each of the...Ch. 8 - Gaseous aluminium chloride exists as a dimer,...Ch. 8 - Describe the molecular shape of each of the...Ch. 8 - Describe the structure and bonding in sulfuric...Ch. 8 - Decide which of each pair of gaseous molecules is...Ch. 8 - Which of the following are nonpolar molecules,...Ch. 8 - For each pair of molecules decide which molecule...Ch. 8 - Prob. 136QPCh. 8 - Predict whether each of the following substances...Ch. 8 - Predict whether each of the following substances...Ch. 8 - Prob. 139QPCh. 8 - Prob. 140QPCh. 8 - There are two different alcohols with the formula...Ch. 8 - The proteins in our bodies are built from small...Ch. 8 - Prob. 143QPCh. 8 - Plastic food storage containers are often made of...Ch. 8 - Draw the Lewis structure for a ketone containing...Ch. 8 - Compare the molecular shape around each carbon...Ch. 8 - Which compound contains both covalent and ionic...Ch. 8 - The bonds in O3 are expected to be A. ionic...Ch. 8 - Which of the following is a true statement about...Ch. 8 - Which of the following bonds is most polar?...Ch. 8 - Which of the following always violets the octet...Ch. 8 - Identify the main-group element X that could form...Ch. 8 - Which of the following has a Lewis structure most...Ch. 8 - Which of the following has a double bond?...Ch. 8 - Which of the following statements about resonance...Ch. 8 - Prob. 156QPCh. 8 - Which of the following molecules has a bent...Ch. 8 - Which of the following molecules is polar?...
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- Describe the type of bonding that exists in the Cl2(g) molecule. How does this type of bonding differ from that found in the HCl(g) molecule? How is it similar?arrow_forwardUsing the standard enthalpy of formation data in Appendix G, calculate the bond energy of the carbon-sulfur double bond in CS2.arrow_forwardDescribe the molecular structure around the indicated atom or atoms: (a) the sulfur atom in sulfuric acid, H2SO4[(HO)2SO2] (b) the chlorine atom in chloric acid, HClO3[HOClO2] (c) the oxygen atom in hydrogen peroxide, HNO3[HONO2] (d) the nitrogen atom in nitric acid, HNO3[HONO2] (e) the oxygen atom in the OH group in nitric acid, HNO3[HONO2] (f) the central oxygen atom in the ozone molecule, O3 (g) each of the carbon atoms in propyne, CH3CCH (h) the carbon atom in Freon, CCl2F2 (i) each of the carbon atoms in aliene, H2CCH2arrow_forward
- The standard enthalpy of formation for NO(g) is 90. kJ/mol. Use this and the values for the O 9 O and N N bond energies to estimate the bond strength in NO.arrow_forwardExplain formation of covalent bonds in the following chemical compounds (using three theories). NH4+ • KF , Ar2, C2BR2H2 , BeCl2.arrow_forward#10 Just for me to understand please describe the VSEPR theory and explain me how is use. How and why it can determine geometries? What’s the relations to the Lewis structure. Also can you use CO2 to explain the theory. Thank you arrow_forward
- Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC≡CH (g) + 5/2 O₂ (g) → 2 CO₂ (g) + H₂O (g)arrow_forwardCalculate the lattice energy of magnesium sulfide from the data given below. Mg(s) Mg(g) AE 148 kJ/mol Mg2g) 8S(g) AE 2232 kJ/mol 2e AE 2186 kJ/mol Mg(g) S8(s) Sig) 2eSg) AE= 450 kJ/mol 8Mg(s)S8(s) -» 8M9S(s) AE = -2744 kJ/mol Mg2+(g) S2g) MgS(s) AElattice = ?arrow_forwardA compound is being tested for use as a rocket propellant. The analysis showed that this compound contained 18.54% F, 34.61% Cl, and 46.85% O.a. Suppose the molecular formula is the same as the empirical formula, describing the Lewis structure for this moleculeb. Use the VSEPR theory to predict the structure of this moleculec. List the three anions of the elements according to their increment in the radius of the ion. Ar F = 19, Cl = 35,5, O= 16arrow_forward
- what type of bonding is within CoCl2(s)?arrow_forward10.) The structural formula of a certain aldehyde (related to formaldehyde) is H3C-CH2-CHO. Draw a Lewis structure for this aldehyde and determine the number of bonds present. Note that a single or a double or a triple bond counts as one bond. Write the number, not the word.arrow_forwardExplain formation of covalent bonds in the following chemical compounds (using three theories). NH4* : KF Ar2, C2B12H2 , BeCl2.arrow_forward
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