Chemistry
3rd Edition
ISBN: 9780073402734
Author: Julia Burdge
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 8, Problem 16QP
Explain how the lattice energy of an ionic compound such as
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NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at
4.1 ppm? Select the single best answer.
The
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ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
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How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
in the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstant
Chapter 8 Solutions
Chemistry
Ch. 8.1 - Practice ProblemATTEMPT Write Lewis dot symbols...Ch. 8.1 - Practice Problem BUILD
Indicate the charge on...Ch. 8.1 - Practice ProblemCONCEPTUALIZE For each of the...Ch. 8.1 - 8.1.1 Using only a periodic table, determine the...Ch. 8.1 - 8.1.2 Using only a periodic table, determine the...Ch. 8.1 - To which group does element X belong if its Lewis...Ch. 8.1 - Prob. 4CPCh. 8.2 - Prob. 1PPACh. 8.2 - Practice ProblemBUILD Arrange the compounds NaF,...Ch. 8.2 - Practice ProblemCONCEPTUALIZE Common ions of four...
Ch. 8.2 - 8.2.1 Will the lattice energy of KF be larger or...Ch. 8.2 - 8.2.2 Using the following data, calculate the...Ch. 8.2 - 8.2.3 Lattice energies are graphed for three...Ch. 8.3 - Practice ProblemATTEMPT Using data from Figures...Ch. 8.3 - Prob. 1PPBCh. 8.3 - Prob. 1PPCCh. 8.4 - Practice Problem ATTEMPT Classify the following...Ch. 8.4 - Prob. 1PPBCh. 8.4 - Prob. 1PPCCh. 8.4 - In which of the following molecules are the bonds...Ch. 8.4 - Using data from Table 8.5, calculate the magnitude...Ch. 8.4 - Prob. 3CPCh. 8.4 - Prob. 4CPCh. 8.5 - Prob. 1PPACh. 8.5 - Prob. 1PPBCh. 8.5 - Two pairs of elements are highlighted in the...Ch. 8.5 - Identify the correct Lewis structure for formic...Ch. 8.5 - Identity the correct Lewis structure for hydrogen...Ch. 8.6 - Prob. 1PPACh. 8.6 - Prob. 1PPBCh. 8.6 - Prob. 1PPCCh. 8.6 - Determine the formal charges on H, C, and N,...Ch. 8.6 - 8.6.2 Which of the Lewis structures shown is most...Ch. 8.7 - Prob. 1PPACh. 8.7 - Practice ProblemBUILD Draw the Lewis structure for...Ch. 8.7 - Practice Problem CONCEPTUALIZE
Of the three Lewis...Ch. 8.7 - Indicate which of the following are resonance...Ch. 8.7 - 8.7.2 How many resonance structures can be drawn...Ch. 8.8 - Prob. 1PPACh. 8.8 - Prob. 1PPBCh. 8.8 - Practice Problem CONCEPTUALIZE
The hypothetical...Ch. 8.8 - In which of the following species does the central...Ch. 8.8 - Prob. 2CPCh. 8.8 - In which species does the central atom obey the...Ch. 8.8 - 8.8.4 How many lone pairs are there on the central...Ch. 8.9 - Prob. 1PPACh. 8.9 - Practice ProblemBUILD Use Lewis structures and...Ch. 8.9 - Prob. 1PPCCh. 8.9 - 8.9.1 Use data from Table 8.6 to estimate for the...Ch. 8.9 - Use data from Table 8.6 to estimate Δ H rxn for...Ch. 8.9 - Use bond enthalpies to determine Δ H rxn for the...Ch. 8.9 - Prob. 4CPCh. 8.10 - Practice ProblemATTEMPT Draw all possible...Ch. 8.10 - Prob. 1PPBCh. 8.10 - Practice ProblemCONCEPTUALIZE The Lewis structure...Ch. 8.11 - Prob. 1PPACh. 8.11 - Prob. 1PPBCh. 8.11 - Prob. 1PPCCh. 8.12 - Prob. 1PPACh. 8.12 - Prob. 1PPBCh. 8.12 - Prob. 1PPCCh. 8.13 - Prob. 1PPACh. 8.13 - Practice Problem BUILD
Using the following...Ch. 8.13 - Prob. 1PPCCh. 8 - 8.1
Which of the following atoms must always obey...Ch. 8 - Prob. 2KSPCh. 8 - Prob. 3KSPCh. 8 - Prob. 4KSPCh. 8 - What is a Lewis dot symbol? What elements do we...Ch. 8 - Use the second member of each group from Group 1A...Ch. 8 - Prob. 3QPCh. 8 - 8.4 Write Lewis dot symbols for the following...Ch. 8 - Write Lewis dot symbols for the following atoms...Ch. 8 - Prob. 6QPCh. 8 - Prob. 7QPCh. 8 - Name five metals and five nonmetals that are very...Ch. 8 - Prob. 9QPCh. 8 - Prob. 10QPCh. 8 - Prob. 11QPCh. 8 - The term molar mass was introduced in Chapter 3....Ch. 8 - Prob. 13QPCh. 8 - Prob. 14QPCh. 8 - Prob. 15QPCh. 8 - Explain how the lattice energy of an ionic...Ch. 8 - Prob. 17QPCh. 8 - Prob. 18QPCh. 8 - 8.19 Use the Born-Haber cycle outlined in Section...Ch. 8 - Calculate the lattice energy of CaCl 2 . Use data...Ch. 8 - An ionic bond is formed between a cation A + and...Ch. 8 - Prob. 22QPCh. 8 - Use Lewis dot symbols to show the transfer of...Ch. 8 - Write the Lewis dot symbols of the reactants and...Ch. 8 - 8.25 Describe Lewis’s contribution to our...Ch. 8 - Prob. 26QPCh. 8 - Prob. 27QPCh. 8 - Prob. 28QPCh. 8 - Prob. 29QPCh. 8 - Prob. 30QPCh. 8 - Prob. 31QPCh. 8 - Prob. 32QPCh. 8 - Prob. 33QPCh. 8 - Define electronegativity, and explain the...Ch. 8 - Prob. 35QPCh. 8 - Prob. 36QPCh. 8 - List the following bonds in order of increasing...Ch. 8 - Classify the following bonds as covalent, polar...Ch. 8 - 8.41 Classify the following bonds as covalent,...Ch. 8 - 8.42 List the following bonds in order of...Ch. 8 - Prob. 41QPCh. 8 - Prob. 42QPCh. 8 - Draw Lewis structures for the following molecules...Ch. 8 - Draw Lewis structures for the following molecules:...Ch. 8 - Prob. 45QPCh. 8 - Prob. 46QPCh. 8 - 8.51 Draw Lewis structures for the following ions:...Ch. 8 - Draw Lewis structures for the following ions: (a)...Ch. 8 - Prob. 49QPCh. 8 - Prob. 50QPCh. 8 - Prob. 51QPCh. 8 - Prob. 52QPCh. 8 - Prob. 53QPCh. 8 - 8.58 Draw three resonance structures for the...Ch. 8 - Prob. 55QPCh. 8 - Prob. 56QPCh. 8 - Draw three reasonable resonance structures for the...Ch. 8 - Draw three resonance structures for the molecule N...Ch. 8 - Prob. 59QPCh. 8 - Prob. 60QPCh. 8 - Prob. 61QPCh. 8 - Prob. 62QPCh. 8 - Prob. 63QPCh. 8 - Prob. 64QPCh. 8 - Prob. 65QPCh. 8 - The AlI 3 molecule has an incomplete octet around...Ch. 8 - Prob. 67QPCh. 8 - Prob. 68QPCh. 8 - 8.73 Write a Lewis structure for Does this...Ch. 8 - Prob. 70QPCh. 8 - Prob. 71QPCh. 8 - 8.76 Draw two resonance structures for the bromate...Ch. 8 - Prob. 73QPCh. 8 - What is bond enthalpy? Bond enthalpies of...Ch. 8 - Prob. 75QPCh. 8 - Prob. 76QPCh. 8 - Prob. 77QPCh. 8 - Prob. 78QPCh. 8 - For the reaction 2 C 2 H 6 ( g ) + 7 O 2 ( g ) → 4...Ch. 8 - Prob. 80QPCh. 8 - 8.85. Use average bond enthalpies from Table 8.6...Ch. 8 - Prob. 82APCh. 8 - Prob. 83APCh. 8 - Prob. 84APCh. 8 - Prob. 85APCh. 8 - Prob. 86APCh. 8 - 8.91 Describe some characteristics of an ionic...Ch. 8 - Prob. 88APCh. 8 - Prob. 89APCh. 8 - Prob. 90APCh. 8 - Prob. 91APCh. 8 - Prob. 92APCh. 8 - Prob. 93APCh. 8 - Prob. 94APCh. 8 - Prob. 95APCh. 8 - Prob. 96APCh. 8 - Prob. 97APCh. 8 - Prob. 98APCh. 8 - Prob. 99APCh. 8 - Prob. 100APCh. 8 - Which of the following species are isoelectronic:...Ch. 8 - Prob. 102APCh. 8 - 8.107 Draw two resonance structures for each...Ch. 8 - The following species have been detected in...Ch. 8 - The amide ion ( NH 2 − ) is a Brø�nsted base. Use...Ch. 8 - Prob. 106APCh. 8 - The triiodide ion ( I 3 − ) in which the I atoms...Ch. 8 - Prob. 108QPCh. 8 - In 1999, an unusual cation containing only...Ch. 8 - Prob. 110QPCh. 8 - Prob. 111QPCh. 8 - Prob. 112APCh. 8 - In the gas phase, aluminum chloride exists as a...Ch. 8 - Prob. 114APCh. 8 - Calculate Δ H º for the reaction H 2 ( g ) + I 2 (...Ch. 8 - Draw Lewis structures for the following organic...Ch. 8 - Prob. 117APCh. 8 - Prob. 118APCh. 8 - Prob. 119APCh. 8 - Write three resonance structures for (a) the...Ch. 8 - Prob. 121APCh. 8 - Prob. 122APCh. 8 - Prob. 123APCh. 8 - Prob. 124APCh. 8 - Prob. 125APCh. 8 - Prob. 126APCh. 8 - Prob. 127APCh. 8 - Among the common inhaled anesthetics are:...Ch. 8 - Prob. 129APCh. 8 - Prob. 130APCh. 8 - Prob. 131APCh. 8 - 8.136 Using this and data from Appendix 2,...Ch. 8 - Prob. 133QPCh. 8 - Prob. 134QPCh. 8 - Prob. 135QPCh. 8 - Prob. 136QPCh. 8 - Prob. 137QPCh. 8 - Prob. 138APCh. 8 - Prob. 139APCh. 8 - Although nitrogen dioxide ( NO 2 ) is a stable...Ch. 8 - 8.145 The chlorine nitrate molecule is believed...Ch. 8 - The hydroxyl radical ( OH ) plays an important...Ch. 8 - Prob. 143APCh. 8 - Prob. 144APCh. 8 - Prob. 1SEPPCh. 8 - 2. Use formal charges to choose the best of the...Ch. 8 - Prob. 3SEPPCh. 8 - Prob. 4SEPP
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- true or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forwardin the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forwardcalculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forward
- true or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forwardI2(g) + CI2(g) ↔ 2ICIK for this reaction is 81.9. Find the equilibrium concentration of I2 if the inital concentration of I2 and CI2 are 0.010 Marrow_forwardtrue or false,the equilibrium constant for this reaction is 0.50.PCI5(g) ↔ PCI3(g) + CI2(g)Based on the above, the equilibrium constant for the following reaction is 0.25.2PCI5(g) ↔. 2PCI3(g) + 2CI2(g)arrow_forward
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- 20.00 mL of 0.150 M HCI is titrated with 0.075 M NaOH. What volume of NaOH is needed?a) 50 mLb) 20 mLc) 40 mLd) 26.66 mLarrow_forward20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCI. What is the molarity of the HCI?a) 0.150 Mb) 0.079 Mc) 0.025 Md) 0.050 Marrow_forwardin the following reaction, the OH- acts as which of these?NO2- (aq) + H2O (l) ⇌ OH- (aq) + HNO2 (aq)a) not a weak acidb) basec) acidarrow_forward
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