John E. Mcmurry, Robert C. Fay, Jordan Fantini
ISBN #9780321704955
6th Edition
3,009 Questions
Homework Questions
Chemistry is a comprehensive exploration of how matter behaves, transforms, and interacts, ranging from basic measurement techniques to advanced theories of atomic and molecular structure. It begins with foundational concepts such as SI units and dimensional analysis, then moves into the intricate world of atoms, chemical reactions, and bonding theories, providing the tools for precise quantitative analysis. The book links fundamental principles—like stoichiometry, thermodynamics, and chemical equilibrium—with real-world applications in areas such as electrochemistry, solid-state materials, and organic reactions. Throughout, it connects the microscopic behaviors of particles with macroscopic phenomena, offering a unified approach to understanding both the theoretical and practical aspects of chemical science.
Chapter 1
Chemistry: Matter and Measurement
Chapter 2
Atoms, Molecules, and Ions
Chapter 3
Mass Relationships in Chemical Reactions
Chapter 4
Reactions in Aqueous Solution
Chapter 5
Periodicity and the Electronic Structure of Atoms
Chapter 6
Ionic Bonds and Some Main-Group Chemistry
Chapter 7
Covalent Bonds and Molecular Structure
Chapter 8
Thermochemistry: Chemical Energy
Chapter 9
Gases: Their Properties and Behavior
Chapter 10
Liquids, Solids, and Phase Changes
Chapter 11
Solutions and Their Properties
Chapter 12
Chemical Kinetics
View More
Chapter 13
Chemical Equilibrium
Chapter 14
Aqueous Equilibria: Acids and Bases
Chapter 15
Applications of Aqueous Equilibria
Chapter 16
Thermodynamics: Entropy, Free Energy, and Equilibrium
Chapter 17
Electrochemistry
Chapter 18
Hydrogen, Oxygen, and Water
Chapter 19
The Main-Group Elements
Chapter 20
Transition Elements and Coordination Chemistry
Chapter 21
Metals and Solid-State Materials
Chapter 22
Nuclear Chemistry
Chapter 23
Organic and Biological Chemistry
Problem 1
The oxidation of iodide ion by arsenic acid, H3AsO4, is described by the balanced equation $$3 \mathrm{I}^{-}(a q)+\mathrm{H}_{3} \mathrm{AsO}_{4}(a q)+2 \mathrm{H}^{+}(a q) \longrightarrow \mathrm{I}_{3}^{-}(a q)+\mathrm{H}_{3} \mathrm{AsO}_{3}(a q)+\mathrm{H}_{2} \mathrm{O}(l)$$ (a) If $-\Delta\left[\mathrm{I}^{-}\right] / \Delta t=4.8 \times 10^{-4} \mathrm{M} / \mathrm{s},$ what is the value of $\Delta\left[\mathrm{I}_{3}-\right] / \Delta t$ during the same time interval? (b) What is the average rate of consumption of $\mathrm{H}^{+}$ during that time interval?
Anatole Borisov Numerade Educator
Problem 2
Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00 g of sulfur with 5.99 g of oxygen, and compound B results from combining 8.60 g of sulfur with 12.88 g of oxygen. Show that the mass ratios in the two compounds are simple multiples of each other.
Ronald Prasad Numerade Educator
Problem 3
The dipole moment of methanol is $\mu=1.70 \mathrm{D}$ . Use arrows to indicate the direction in which electrons are displaced.
April Berlyoung Numerade Educator
Problem 4
Which of the following processes are spontaneous? Which are nonspontaneous? (a) Diffusion of perfume molecules from one side of a room to the other (b) Heat flow from a cold object to a hot object (c) Decomposition of rust $\left(\mathrm{Fe}_{2} \mathrm{O}_{3} \cdot \mathrm{H}_{2} \mathrm{O}\right)$ to iron metal, oxygen, and water (d) Decomposition of solid $\mathrm{CaCO}_{3}$ to solid CaO and gaseous $\mathrm{CO}_{2}$ at $25^{\circ} \mathrm{C}$ and 1 atm pressure $\left(K_{\mathrm{p}}=1.4 \times 10^{-23}\right)$
Lauren Long Numerade Educator
Problem 5
What is the wavelength in meters of an FM radio wave with frequency $\nu=102.5 \mathrm{MHz} ?$ Of a medical $\mathrm{X}$ ray with $v=9.55 \times 10^{17} \mathrm{Hz} ?$
Dang Sia Numerade Educator
Problem 6
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 8.6 L to 4.3 L at a constant external pressure of 44 atm. In which direction does the work energy flow? What is the sign of the energy change?
Ma Ednelyn Lim Numerade Educator
WHAT OUR STUDENTS SAY
“I finally understand my textbook questions. Before Numerade, I’d skip hard problems. Now I get instant help with videos that explain everything simply.”
Edwin V. Penn State Freshman