General Chemistry: Atoms First
General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Chapter 18, Problem 18.21CP

a)

Interpretation Introduction

Interpretation:

The oxidation state of oxygen in each oxide and the oxidation state of the other element has to be identified.

Concept introduction:

Oxidation state:

As per the IUPAC definition, the charge of the atom is the oxidation state of an atom after ionic approximation of its heteronuclear bonds or it is a number assigned to an atom or an element which represents the number of electrons lost or gained.

b)

Interpretation Introduction

Interpretation:

The bonding nature of metal oxides has to be identified.

Concept introduction:

Covalent bond:

The bond which involves sharing of electrons between the atoms present in the molecule

Ionic bond:

The bond which involves transfer of electrons between the atoms present in the molecule

c)

Interpretation Introduction

Interpretation:

The acidic or basic nature of the oxides has to be identified.

Concept introduction:

Acid:

The substance which is capable of accepting a pair of nonbonding electrons and forms covalent bond

Base:

The substance which is capable of donating a pair of nonbonding electrons

d)

Interpretation Introduction

Interpretation:

The identity of the metal in the compounds (1) and (2) has to be identified.

Concept introduction:

Oxidation state:

As per the IUPAC definition, the charge of the atom is the oxidation state of an atom after ionic approximation of its heteronuclear bonds or it is a number assigned to an atom or an element which represents the number of electrons lost or gained.

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Instructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br‍(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.

Chapter 18 Solutions

General Chemistry: Atoms First

Ch. 18.9 - Prob. 18.11PCh. 18.9 - Prob. 18.12CPCh. 18.10 - Prob. 18.13PCh. 18.10 - Prob. 18.14PCh. 18.13 - Prob. 18.15PCh. 18.13 - Prob. 18.16PCh. 18.13 - Prob. 18.17PCh. 18 - Prob. 18.18CPCh. 18 - Look at the location of elements A, B, C, and D in...Ch. 18 - Prob. 18.20CPCh. 18 - Prob. 18.21CPCh. 18 - Prob. 18.22CPCh. 18 - Prob. 18.23CPCh. 18 - Prob. 18.24CPCh. 18 - Prob. 18.25CPCh. 18 - Prob. 18.26CPCh. 18 - Prob. 18.27CPCh. 18 - Prob. 18.28SPCh. 18 - Prob. 18.29SPCh. 18 - Prob. 18.30SPCh. 18 - Prob. 18.31SPCh. 18 - Prob. 18.32SPCh. 18 - Prob. 18.33SPCh. 18 - Prob. 18.34SPCh. 18 - Prob. 18.35SPCh. 18 - Prob. 18.36SPCh. 18 - Prob. 18.37SPCh. 18 - Prob. 18.38SPCh. 18 - Prob. 18.39SPCh. 18 - Prob. 18.40SPCh. 18 - Prob. 18.41SPCh. 18 - Prob. 18.42SPCh. 18 - Prob. 18.43SPCh. 18 - Prob. 18.44SPCh. 18 - Prob. 18.45SPCh. 18 - Prob. 18.46SPCh. 18 - Prob. 18.47SPCh. 18 - Prob. 18.48SPCh. 18 - Prob. 18.49SPCh. 18 - Prob. 18.50SPCh. 18 - Prob. 18.51SPCh. 18 - Prob. 18.52SPCh. 18 - Prob. 18.53SPCh. 18 - Prob. 18.54SPCh. 18 - Prob. 18.55SPCh. 18 - Prob. 18.56SPCh. 18 - Prob. 18.57SPCh. 18 - Prob. 18.58SPCh. 18 - Prob. 18.59SPCh. 18 - Prob. 18.60SPCh. 18 - Prob. 18.61SPCh. 18 - Prob. 18.62SPCh. 18 - Prob. 18.63SPCh. 18 - Prob. 18.64SPCh. 18 - Prob. 18.65SPCh. 18 - Which is more acidic? (a) Cr2O3 or CrO3 (b) N2O5...Ch. 18 - Prob. 18.67SPCh. 18 - Prob. 18.68SPCh. 18 - Write a balanced net ionic equation for the...Ch. 18 - Prob. 18.70SPCh. 18 - Prob. 18.71SPCh. 18 - Prob. 18.72SPCh. 18 - Prob. 18.73SPCh. 18 - What products are formed when the following metals...Ch. 18 - Prob. 18.75SPCh. 18 - Draw MO energy-level diagrams for O2, O2, and O22,...Ch. 18 - Prob. 18.77SPCh. 18 - Prob. 18.78SPCh. 18 - Prob. 18.79SPCh. 18 - Prob. 18.80SPCh. 18 - Prob. 18.81SPCh. 18 - Prob. 18.82SPCh. 18 - Prob. 18.83SPCh. 18 - Prob. 18.84SPCh. 18 - Prob. 18.85SPCh. 18 - Why does boiler scale form when hard water is...Ch. 18 - Prob. 18.87SPCh. 18 - Prob. 18.88SPCh. 18 - Prob. 18.89SPCh. 18 - Prob. 18.90SPCh. 18 - Prob. 18.91SPCh. 18 - Prob. 18.92SPCh. 18 - Prob. 18.93SPCh. 18 - Prob. 18.94CHPCh. 18 - Prob. 18.95CHPCh. 18 - Prob. 18.96CHPCh. 18 - Prob. 18.97CHPCh. 18 - Prob. 18.98CHPCh. 18 - Prob. 18.99CHPCh. 18 - Prob. 18.100CHPCh. 18 - Prob. 18.101CHPCh. 18 - Prob. 18.102CHPCh. 18 - Prob. 18.103CHPCh. 18 - Use the standard heats of formation in Appendix B...Ch. 18 - Prob. 18.105CHPCh. 18 - Prob. 18.106CHPCh. 18 - Prob. 18.107CHPCh. 18 - Prob. 18.108CHPCh. 18 - Prob. 18.109CHPCh. 18 - A boiler with water that contained high...Ch. 18 - Prob. 18.111CHPCh. 18 - Prob. 18.112CHPCh. 18 - Prob. 18.113CHPCh. 18 - Prob. 18.114CHPCh. 18 - Prob. 18.116MPCh. 18 - Prob. 18.117MPCh. 18 - Prob. 18.118MPCh. 18 - Prob. 18.120MPCh. 18 - Prob. 18.121MPCh. 18 - Prob. 18.122MPCh. 18 - Prob. 18.123MP
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