Thomas R. Gilbert
ISBN #9780393615142
5th Edition
2,675 Questions
Homework Questions
Chemistry: The Science in Context is a comprehensive journey through the fundamental principles and real-world applications of chemistry, emphasizing the importance of measurement, scientific inquiry, and quantitative analysis as tools for understanding matter and energy. The book unfolds like a narrative, starting with the basics of particles and atomic structure, then gradually building toward more complex topics such as molecular interactions, reaction dynamics, and the practical applications of these concepts in areas like medicine, energy, and environmental science. It artfully weaves historical perspectives with modern theories—akin to a story featuring pioneering scientific models and transformative discoveries—that guide readers from the foundational building blocks of matter to the intricacies of organic and biological molecules. This integrated approach not only deepens comprehension of chemical behavior but also highlights its profound impact on everyday life and technological advancement.
Chapter 1
Particles of Matter: Measurement and the Tools of Science
Chapter 2
Atoms, lons, and Molecules: Matter Starts Here
Chapter 3
Stoichiometry: Mass, Formulas, and Reactions
Chapter 4
Reactions in Solution: Aqueous Chemistry in Nature
Chapter 5
Thermochemistry: Energy Changes in Reactions
Chapter 6
Properties of Gases: The Air We Breathe
Chapter 7
A Quantum Model of Atoms: Waves, Particles, and Periodic Properties
Chapter 8
Chemical Bonds: What Makes a Gas a Greenhouse Gas?
Chapter 9
Molecular Geometry: Shape Determines Function
Chapter 10
Intermolecular Forces: The Uniqueness of Water
Chapter 11
Solutions: Properties and Behavior
Chapter 12
Solids: Crystals, Alloys, and Polymers
View More
Chapter 13
Chemical Kinetics: Reactions in the Atmosphere
Chapter 14
Chemical Equilibrium: How Much Product Does a Reaction Really Make?
Chapter 15
Acid-Base Equilibria: Proton Transfer in Biological Systems
Chapter 16
Additional Aqueous Equilibria: Chemistry and the Oceans
Chapter 17
Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes
Chapter 18
Electrochemistry: The Quest for Clean Energy
Chapter 19
Nuclear Chemistry: Applications to Energy and Medicine
Chapter 20
Organic and Biological Molecules: The Compounds of Life
Chapter 21
The Main Group Elements: Life and the Periodic Table
Chapter 22
Transition Metals: Biological and Medical Applications
Problem 1
Figure P11.1 shows a particle-level view of a sealed container partially filled with a solution that has two components: $X$ (blue spheres) and $Y$ (red spheres). Which of the following statements about substances $X$ and $Y$ are true? a. $X$ is the solvent in this solution. b. Pure $Y$ is a volatile liquid. c. If $Y$ were not present, there would be fewer X particles in the gas above the liquid solution. d. The presence of $Y$ increases the vapor pressure of $X$.
Alison Zhitkov Numerade Educator
Problem 2
Each of the pairs of containers pictured in Figure P3.1 contains substances composed of elements X (red spheres) and $Y$ (blue spheres). For each pair, write a balanced chemical equation describing the reaction that takes place. Be sure to indicate the physical states of the reactants and products, using the appropriate symbols in parentheses. (FIGURES CANT COPY)
Joanna Josey Numerade Educator
Problem 3
Figure $\mathrm{P} 11.2$ shows a particle-level vicw of a scaled container partially filled with a solution of two miscible liquids: X (blue spheres) and $Y$ (red spheres). Which of the following statements about substances $\mathrm{X}$ and $\mathrm{Y}$ are true? a. Y is the solvent in this solution. b. Pure $Y$ has a higher vapor pressure than pure X. c. The presence of $Y$ in the solution lowers the vapor pressure of $\mathrm{X}$. d. If $Y$ were not present, there would be fewer total particles in the gas above the liquid solution.
Allea Cauilan Numerade Educator
Problem 4
A rubber balloon is filled with helium gas. Which of the drawings in Figure $\mathrm{P} 6.2$ most accurately reflects the gas in the balloon on a molecular level? The blue spheres represent helium atoms. Explain your answer. Because atoms are in constant motion, the spheres represent their average position.
Ronald Prasad Numerade Educator
Problem 5
Two balloons are inflated at the same temperature to the same volume (Figure $\mathrm{P} 17.1$ ), though it takes more gas to inflate the balloon on the right. In which balloon is the gas under greater internal pressure? In which balloon does the gas have greater entropy? (FIGURE CAN'T COPY)
Katie Miller Numerade Educator
Problem 6
Which of the highlighted elements in Figure P7.1: a. forms a common monatomic ion that is larger than its parent atom? b. has the most unpaired electrons per ground-state atom?
Sam Limsuwannarot 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