Chemistry: Principles and Practice
3rd Edition
ISBN: 9780534420123
Author: Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 9.42QE
Draw a Lewis structure for each of the following molecules or ions.
- (a) CS2
- (b)
- (c) HNO2 (where the bonding is in the order HONO)
- (d) OSCl2 (where S is the central atom)
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Write the Lewis dot symbols of the reactants and products in the followingreactions. (First balance the equations.)(a) Sr + Se → SrSe(b) Ca + H2 → CaH2(c) Li + N2 → Li3N(d) Al + S → Al2S3
Answer the following questions that relate to the chemistry of nitrogen.
(a) Two nitrogen atoms combine to form a nitrogen molecule, as represented by the following equation.
2 N(g) ® N2(g)
Using the table of average bond energies below, determine the enthalpy change, AH, for the reaction.
Average Bond
Energy (k) mol-1)
Bond
N-N
160
N=N
420
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(b) The reaction between nitrogen and hydrogen to form ammonia is represented below.
N2(g) + 3 H2(g)® 2 NH3(g)
AH° = -92.2 kJ
Predict the sign of the standard entropy change, AS', for the reaction. Justify your answer.
(C) The value of AG° for the reaction represented in part (b) is negative at low temperatures but positive at high temperatures. Explain.
Write the Lewis structures for the following, and include resonance structures where appropriate. Indicate which has the strongest carbon-oxygen bond.(a) CO2(b) CO
Chapter 9 Solutions
Chemistry: Principles and Practice
Ch. 9 - Prob. 9.1QECh. 9 - Prob. 9.2QECh. 9 - Prob. 9.3QECh. 9 - What main factors control the magnitude of lattice...Ch. 9 - Prob. 9.5QECh. 9 - Prob. 9.6QECh. 9 - Prob. 9.7QECh. 9 - Prob. 9.8QECh. 9 - Prob. 9.9QECh. 9 - Prob. 9.10QE
Ch. 9 - Prob. 9.11QECh. 9 - Prob. 9.12QECh. 9 - Prob. 9.13QECh. 9 - Compare the trends in electronegativity and...Ch. 9 - Prob. 9.15QECh. 9 - Prob. 9.16QECh. 9 - Prob. 9.17QECh. 9 - What elements are most likely to form...Ch. 9 - Prob. 9.19QECh. 9 - Prob. 9.20QECh. 9 - Prob. 9.21QECh. 9 - Prob. 9.22QECh. 9 - Prob. 9.23QECh. 9 - Prob. 9.24QECh. 9 - Prob. 9.25QECh. 9 - Prob. 9.26QECh. 9 - Write the formulas of the ionic compounds that...Ch. 9 - Prob. 9.28QECh. 9 - Prob. 9.29QECh. 9 - Prob. 9.30QECh. 9 - Arrange the following series of compounds in order...Ch. 9 - Prob. 9.32QECh. 9 - Prob. 9.33QECh. 9 - Prob. 9.34QECh. 9 - Prob. 9.35QECh. 9 - Draw Lewis structures for the following species....Ch. 9 - Prob. 9.37QECh. 9 - Prob. 9.38QECh. 9 - Write the Lewis structure for the following...Ch. 9 - Prob. 9.40QECh. 9 - Prob. 9.41QECh. 9 - Draw a Lewis structure for each of the following...Ch. 9 - Write the Lewis structure for each compound, with...Ch. 9 - Prob. 9.44QECh. 9 - Prob. 9.45QECh. 9 - Write the Lewis structure for each species, with...Ch. 9 - Prob. 9.47QECh. 9 - Prob. 9.48QECh. 9 - Prob. 9.49QECh. 9 - Arrange the members of each of the following sets...Ch. 9 - Prob. 9.51QECh. 9 - Prob. 9.52QECh. 9 - Prob. 9.53QECh. 9 - For each pair of bonds, indicate the more polar...Ch. 9 - Which molecule has the most polar bond: N2, BrF,...Ch. 9 - Given the bonds C N, C H, C Br, and S O, (a)...Ch. 9 - Prob. 9.57QECh. 9 - Prob. 9.58QECh. 9 - Write the Lewis structures showing formal charge...Ch. 9 - Write the Lewis structures showing formal charge...Ch. 9 - Prob. 9.61QECh. 9 - The connectivity of HNO could be either HNO or...Ch. 9 - Prob. 9.63QECh. 9 - Prob. 9.64QECh. 9 - Write all possible resonance structures for the...Ch. 9 - Prob. 9.66QECh. 9 - Prob. 9.67QECh. 9 - Prob. 9.68QECh. 9 - Prob. 9.69QECh. 9 - Prob. 9.70QECh. 9 - Write all resonance structures of toluene,...Ch. 9 - Write all resonance structures of chlorobenzene,...Ch. 9 - Draw all resonance structures for...Ch. 9 - Prob. 9.74QECh. 9 - Prob. 9.75QECh. 9 - Prob. 9.76QECh. 9 - Write the Lewis structures for the following...Ch. 9 - Write the Lewis structures for the following...Ch. 9 - Prob. 9.79QECh. 9 - Prob. 9.80QECh. 9 - Prob. 9.81QECh. 9 - Prob. 9.82QECh. 9 - Write the Lewis structures of H2CNH and H3CNH2....Ch. 9 - Write the Lewis structures of HNNH and H2NNH2....Ch. 9 - Prob. 9.85QECh. 9 - Prob. 9.86QECh. 9 - Prob. 9.87QECh. 9 - Prob. 9.88QECh. 9 - Prob. 9.89QECh. 9 - Prob. 9.90QECh. 9 - Prob. 9.91QECh. 9 - Prob. 9.92QECh. 9 - Prob. 9.93QECh. 9 - Prob. 9.94QECh. 9 - Prob. 9.95QECh. 9 - Prob. 9.96QECh. 9 - Prob. 9.97QECh. 9 - Prob. 9.98QECh. 9 - The molecule nitrosyl chloride, NOCl, has a...Ch. 9 - Prob. 9.100QECh. 9 - Draw the Lewis structure of BrNO. Which is the...Ch. 9 - Prob. 9.102QECh. 9 - Calculate an approximate enthalpy change (Table...Ch. 9 - Prob. 9.104QECh. 9 - Prob. 9.105QECh. 9 - Prob. 9.106QECh. 9 - Prob. 9.107QE
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