Bundle: General Chemistry, Loose-leaf Version, 11th + OWLv2, 4 terms (24 months) Printed Access Card
11th Edition
ISBN: 9781337128391
Author: Darrell Ebbing, Steven D. Gammon
Publisher: Cengage Learning
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Chapter 9, Problem 9.145QP
Calculate the enthalpy of reaction for
from enthalpies of formation (see Appendix C). Given that the C─H bond enthalpy is 411 kJ/mol, obtain a value for the C≡N bond enthalpy. Compare your result with the value given in Table 9.5.
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General A G
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⚫ 61%
A
B
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F
H
K
M
N
P
R
S
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3+
10
125 mM that yielded peak heights of Aa =
9 1-(a)A sample solution was examined under XRF to quantify the analyte Ce³+. Find the response factor F, when standardized concentration of analyte [Ce³+]A =
concentration of internal standard S i.e. [In³*]s =
151
mM was spiked with standardized
1600 and As = 3015
respectively?
11
12
(i)Define F,
F =
Aa
As
[A]
[S]
+
X
13
(*Define with variables)
4000
14
15
(ii)Calculate F,
F =
numeral
(You will use the F value in part 1-(b) below)
As
16
(*Calculate with numerals)
17
18
1-(b)To determine the unknown conc of analyte [Ce³+], a volume of 15 mL of internal standard S having a concentration [In³+]s =
0.264
M
19
20
was added to 45 mL of unknown, and the mixture was diluted to 100 mL in a volumetric flask. XRF analysis yielded a spectrum, Figure-1, where peak
heights A and As are…
All structural types of Boron hydrides exhibit B-B, B-H-B and B-H bonds. Correct?
N-nitrosodimethylamine (NDMA) is a suspected carcinogen that can form via reactions
between dimethylamine (DMA) and monochloramine (NH2Cl). The relevant elementary
reactions and the corresponding rate constants are as shown below.
Reaction
Rate constant (M¹s¹)
DMA + NH2Cl = DMCA + NH3
k =1.4×10-1, kr = 5.83×10-3
1.28×10-3
DMA + NH2Cl → UDMH
UDMH + NH2Cl → NDMA
->
1.11×10-1
If the initial concentrations of DMA and NH2Cl are given, you should be able to predict the
concentrations of all species at any given reaction time. Please write down the rate equations
for DMA, NH2C1, DMCA, UDMH and NDMA.
Chapter 9 Solutions
Bundle: General Chemistry, Loose-leaf Version, 11th + OWLv2, 4 terms (24 months) Printed Access Card
Ch. 9.1 - Represent the transfer of electrons from magnesium...Ch. 9.2 - Prob. 9.2ECh. 9.2 - Prob. 9.3ECh. 9.2 - Prob. 9.4ECh. 9.2 - The following are electron configurations for some...Ch. 9.3 - Which has the larger radius, S or S2? Explain.Ch. 9.3 - Without looking at Table 9.3, arrange the...Ch. 9.3 - Prob. 9.7ECh. 9.5 - Using electronegativities, decide which of the...Ch. 9.6 - Dichlorodifluoromethane, CCl2F2, is a gas used as...
Ch. 9.6 - Prob. 9.10ECh. 9.6 - Prob. 9.11ECh. 9.6 - Prob. 9.2CCCh. 9.7 - Prob. 9.12ECh. 9.8 - Prob. 9.13ECh. 9.8 - Prob. 9.14ECh. 9.9 - Prob. 9.15ECh. 9.9 - Prob. 9.3CCCh. 9.10 - Estimate the OH bond length in H2O from the...Ch. 9.10 - Formic acid, isolated in 1670, is the irritant in...Ch. 9.11 - Use bond enthalpies to estimate the enthalpy...Ch. 9 - Describe the formation of a sodium chloride...Ch. 9 - Prob. 9.2QPCh. 9 - Prob. 9.3QPCh. 9 - Define lattice energy for potassium bromide.Ch. 9 - Why do most monatomic cations of the main-group...Ch. 9 - Prob. 9.6QPCh. 9 - Prob. 9.7QPCh. 9 - Prob. 9.8QPCh. 9 - Prob. 9.9QPCh. 9 - Draw a potential-energy diagram for a molecule...Ch. 9 - Prob. 9.11QPCh. 9 - Prob. 9.12QPCh. 9 - Prob. 9.13QPCh. 9 - Prob. 9.14QPCh. 9 - Prob. 9.15QPCh. 9 - Prob. 9.16QPCh. 9 - Prob. 9.17QPCh. 9 - Prob. 9.18QPCh. 9 - Which of the following contains both ionic and...Ch. 9 - The radii of the species S, S+, and S decrease in...Ch. 9 - Prob. 9.21QPCh. 9 - Prob. 9.22QPCh. 9 - Prob. 9.23QPCh. 9 - Bond Enthalpy When atoms of the hypothetical...Ch. 9 - You land on a distant planet in another universe...Ch. 9 - Which of the following represent configurations of...Ch. 9 - Prob. 9.27QPCh. 9 - Prob. 9.28QPCh. 9 - Prob. 9.29QPCh. 9 - For each of the following molecular models, write...Ch. 9 - For each of the following molecular formulas, draw...Ch. 9 - Below are three resonance formulas for N2O...Ch. 9 - Lithium, Li, reacts with element X to form an...Ch. 9 - Prob. 9.34QPCh. 9 - Prob. 9.35QPCh. 9 - Prob. 9.36QPCh. 9 - Use Lewis symbols to represent the transfer of...Ch. 9 - Use Lewis symbols to represent the electron...Ch. 9 - Prob. 9.39QPCh. 9 - Prob. 9.40QPCh. 9 - Prob. 9.41QPCh. 9 - Prob. 9.42QPCh. 9 - Prob. 9.43QPCh. 9 - Prob. 9.44QPCh. 9 - Prob. 9.45QPCh. 9 - Prob. 9.46QPCh. 9 - Prob. 9.47QPCh. 9 - Which has the larger radius, N3 or P3? Explain....Ch. 9 - Arrange the following in order of increasing ionic...Ch. 9 - Arrange the following in order of increasing ionic...Ch. 9 - Use Lewis symbols to show the reaction of atoms to...Ch. 9 - Prob. 9.52QPCh. 9 - Assuming that the atoms form the normal number of...Ch. 9 - Assuming that the atoms form the normal number of...Ch. 9 - Prob. 9.55QPCh. 9 - Prob. 9.56QPCh. 9 - Arrange the following bonds in order of increasing...Ch. 9 - Decide which of the following bonds is least polar...Ch. 9 - Prob. 9.59QPCh. 9 - Prob. 9.60QPCh. 9 - Prob. 9.61QPCh. 9 - Write Lewis formulas for the following molecules:...Ch. 9 - Write Lewis formulas for the following molecules:...Ch. 9 - Write Lewis formulas for the following molecules:...Ch. 9 - Write Lewis formulas for the following ions: a ClO...Ch. 9 - Write Lewis formulas for the following ions: a...Ch. 9 - Write resonance descriptions for the following: a...Ch. 9 - Prob. 9.68QPCh. 9 - Prob. 9.69QPCh. 9 - Prob. 9.70QPCh. 9 - Write Lewis formulas for the following: a XeF2 b...Ch. 9 - Write Lewis formulas for the following: a I3 b...Ch. 9 - Write Lewis formulas for the following: a BCl3 b...Ch. 9 - Write Lewis formulas for the following: a BeF2 b...Ch. 9 - Write a Lewis formula for each of the following,...Ch. 9 - Write a Lewis formula for each of the following,...Ch. 9 - Prob. 9.77QPCh. 9 - For each of the following, use formal charges to...Ch. 9 - Prob. 9.79QPCh. 9 - Prob. 9.80QPCh. 9 - Calculate the bond length for each of the...Ch. 9 - Prob. 9.82QPCh. 9 - One of the following compounds has a...Ch. 9 - Prob. 9.84QPCh. 9 - Use bond enthalpies (Table 9.5) to estimate H for...Ch. 9 - A commercial process for preparing ethanol (ethyl...Ch. 9 - For each of the following pairs of elements, state...Ch. 9 - For each of the following pairs of elements, state...Ch. 9 - Prob. 9.89QPCh. 9 - Prob. 9.90QPCh. 9 - Iodic acid, HIO3, is a colorless, crystalline...Ch. 9 - Prob. 9.92QPCh. 9 - Sodium amide, known commercially as sodamide, is...Ch. 9 - Prob. 9.94QPCh. 9 - Nitronium perchlorate, NO2ClO4, is a reactive salt...Ch. 9 - Solid phosphorus pentabromide, PBr5, has been...Ch. 9 - Write electron-dot formulas for the following: a...Ch. 9 - Prob. 9.98QPCh. 9 - Prob. 9.99QPCh. 9 - Write Lewis formulas for the following: a AlCl4 b...Ch. 9 - Prob. 9.101QPCh. 9 - Prob. 9.102QPCh. 9 - Prob. 9.103QPCh. 9 - Acetic acid has the structure CH3CO(OH), in which...Ch. 9 - Prob. 9.105QPCh. 9 - Methyl nitrite has the structure No attempt has...Ch. 9 - Prob. 9.107QPCh. 9 - Prob. 9.108QPCh. 9 - Use bond enthalpies to estimate H for the reaction...Ch. 9 - Prob. 9.110QPCh. 9 - Compare the properties of an ionic material such...Ch. 9 - Prob. 9.112QPCh. 9 - Explain the decomposition of nitroglycerin in...Ch. 9 - How did the Swedish chemist Alfred Nobel manage to...Ch. 9 - What property of a chemical bond gives rise to the...Ch. 9 - Prob. 9.116QPCh. 9 - Prob. 9.117QPCh. 9 - Calculate the lattice energy of potassium...Ch. 9 - Prob. 9.119QPCh. 9 - Prob. 9.120QPCh. 9 - Prob. 9.121QPCh. 9 - An ion M2+ has the configuration [Ar]3d2, and an...Ch. 9 - Prob. 9.123QPCh. 9 - Prob. 9.124QPCh. 9 - Prob. 9.125QPCh. 9 - Prob. 9.126QPCh. 9 - Which of the following molecules contains only...Ch. 9 - Prob. 9.128QPCh. 9 - Two fourth-period atoms, one of a transition...Ch. 9 - Prob. 9.130QPCh. 9 - Draw resonance formulas of the phosphoric acid...Ch. 9 - Prob. 9.132QPCh. 9 - Prob. 9.133QPCh. 9 - Prob. 9.134QPCh. 9 - Prob. 9.135QPCh. 9 - Prob. 9.136QPCh. 9 - Phosphorous acid. H3PO3, has the structure...Ch. 9 - Hypophosphorous acid, H3PO2, has the structure...Ch. 9 - An ionic compound has the following composition...Ch. 9 - An ionic compound has the following composition...Ch. 9 - A gaseous compound has the following composition...Ch. 9 - A liquid compound used in dry cleaning contains...Ch. 9 - A compound of tin and chlorine is a colorless...Ch. 9 - Prob. 9.144QPCh. 9 - Calculate the enthalpy of reaction for...Ch. 9 - Prob. 9.146QPCh. 9 - Prob. 9.147QPCh. 9 - Prob. 9.148QPCh. 9 - Prob. 9.149QPCh. 9 - Prob. 9.150QP
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