2nd Edition

ISBN: 9780321809261

Author: John E. McMurry, Robert C. Fay

Publisher: Prentice Hall

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Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that …

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energ…

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Textbook Question

Chapter 4.9, Problem 4.19P

Draw as many resonance structures as possible for each of the following molecules or ions, giving all atoms (except H) octets:

(a) SO₂
(b) CO₃²⁻
(c) HCO₂⁻
(d) BF₃

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Chapter 4.9, Problem 4.18P

Chapter 4.9, Problem 4.20CP

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Chapter 4 Solutions

General Chemistry: Atoms First

Ch. 4.2 - Prob. 4.1P Ch. 4.2 - Prob. 4.2P Ch. 4.2 - Prob. 4.3CP Ch. 4.4 - Use the electronegativity values in Figure 4.4 to...Ch. 4.4 - Order the following compounds according to the...Ch. 4.4 - An electrostatic potential map of water is shown...Ch. 4.5 - Prob. 4.7P Ch. 4.5 - Write formulas for compounds with the following...Ch. 4.5 - Prob. 4.9CP Ch. 4.6 - Draw electron-dot structures for the following...

Ch. 4.6 - Draw an electron-dot structure for the hydronium...Ch. 4.7 - Draw electron-dot structures for the following...Ch. 4.7 - There are two molecules with the formula C2H6O....Ch. 4.7 - The following structure is a representation of...Ch. 4.8 - Carbon monoxide, CO, is a deadly gas produced by...Ch. 4.8 - Draw an electron-dot structure for each of the...Ch. 4.8 - Prob. 4.17P Ch. 4.9 - Prob. 4.18P Ch. 4.9 - Draw as many resonance structures as possible for...Ch. 4.9 - The following structure shows the connections...Ch. 4.10 - Calculate the formal charge on each atom in the...Ch. 4.10 - Calculate the formal charge on each atom in the...Ch. 4.10 - What is a radical, and why are they so reactive?Ch. 4.10 - Prob. 4.24P Ch. 4.10 - Draw an electron-dot structure for the ethyl...Ch. 4 - Two electrostatic potential maps are shown, one of...Ch. 4 - Prob. 4.27CP Ch. 4 - Prob. 4.28CP Ch. 4 - Prob. 4.29CP Ch. 4 - Sinapaldehyde, a compound present in the toasted...Ch. 4 - Vitamin C (ascorbic acid) has the following...Ch. 4 - What general trends in electronegativity occur in...Ch. 4 - Prob. 4.33SP Ch. 4 - Prob. 4.34SP Ch. 4 - Prob. 4.35SP Ch. 4 - Prob. 4.36SP Ch. 4 - Prob. 4.37SP Ch. 4 - Prob. 4.38SP Ch. 4 - Show the direction of polarity for each of the...Ch. 4 - Prob. 4.40SP Ch. 4 - Prob. 4.41SP Ch. 4 - Prob. 4.42SP Ch. 4 - Prob. 4.43SP Ch. 4 - Prob. 4.44SP Ch. 4 - Prob. 4.45SP Ch. 4 - Prob. 4.46SP Ch. 4 - Prob. 4.47SP Ch. 4 - Prob. 4.48SP Ch. 4 - Prob. 4.49SP Ch. 4 - Prob. 4.50SP Ch. 4 - Which of the following substances contains an atom...Ch. 4 - Draw electron-dot structures for the following...Ch. 4 - Prob. 4.53SP Ch. 4 - Oxalic acid, H2C2O4, is a mildly poisonous...Ch. 4 - Draw an electron-dot structure for carbon...Ch. 4 - Prob. 4.56SP Ch. 4 - Prob. 4.57SP Ch. 4 - Prob. 4.58SP Ch. 4 - Prob. 4.59SP Ch. 4 - Methylphenidate (C14H19NO2), marketed as Ritalin,...Ch. 4 - Pregabalin (C8H17NO2), marketed as Lyrica, is an...Ch. 4 - Draw as many resonance structures as you can that...Ch. 4 - Prob. 4.63SP Ch. 4 - Which of the following pairs of structures...Ch. 4 - Which of the following pairs of structures...Ch. 4 - Draw an electron-dot structure for carbon...Ch. 4 - Prob. 4.67SP Ch. 4 - Prob. 4.68SP Ch. 4 - Prob. 4.69SP Ch. 4 - Prob. 4.70SP Ch. 4 - Prob. 4.71SP Ch. 4 - Prob. 4.72SP Ch. 4 - Prob. 4.73SP Ch. 4 - Prob. 4.74CHP Ch. 4 - Thiofulminic acid, , is a highly reactive...Ch. 4 - Draw two resonance structures for methyl...Ch. 4 - Prob. 4.78CHP Ch. 4 - Prob. 4.79CHP Ch. 4 - Prob. 4.80CHP Ch. 4 - Prob. 4.81CHP Ch. 4 - Prob. 4.82CHP Ch. 4 - Prob. 4.83CHP Ch. 4 - Prob. 4.84CHP Ch. 4 - Prob. 4.85CHP Ch. 4 - Sulfur reacts with chlorine to give a product that...Ch. 4 - Sulfur reacts with ammonia to give a product A...Ch. 4 - Prob. 4.88MP Ch. 4 - Prob. 4.89MP

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Draw as many resonance structures as possible for each of the following molecules or ions, giving all atoms (except H) octets: (a) SO 2 (b) CO 3 2− (c) HCO 2 − (d) BF 3

Solution Summary: The author explains the concept of resonance hybrid, which shows overall delocalization of electrons within the molecule.

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Chapter 4 Solutions