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0134112830
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9780134112831
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Chemistry
4th edition
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Details about Chemistry:
For courses in Chemistry. Building 21st Century Data Analysis and Problem-Solving Skills in Modern Chemistry The Fourth Edition of Niva Tro’s Chemistry: A Molecular Approach reinforces development of 21st century skills including data interpretation and analysis, problem solving and quantitative reasoning, applying conceptual understanding to new situations and peer-to-peer collaboration. Nivaldo Tro presents chemistry visually through multi-level images–macroscopic, molecular, and symbolic representations–helping readers see the connections between the world they see around them (macroscopic), the atoms and molecules that compose the world (molecular), and the formulas they write down on paper (symbolic). The benefits of Dr. Tro’s problem-solving approach are reinforced through digital, Interactive Worked Examples that provide an office-hour type of environment and expanded coverage on the latest developments in chemistry. New Key Concept Videos explain difficult concepts while new end-of-chapter problems including Group Work questions and Data Interpretation and Analysis questions engage readers in applying their understanding of chemistry. The revision has been constructed to easily incorporate material to engage readers. Also available with MasteringChemistry MasteringChemistry from Pearson is the leading online homework, tutorial, and assessment system, designed to improve results by engaging you before, during, and after class with powerful content. Instructors ensure you arrive ready to learn by assigning educationally effective content before class, and encourage critical thinking and retention with in-class resources such as Learning Catalytics™. You can further master concepts after class through traditional and adaptive homework assignments that provide hints and answer-specific feedback. The Mastering gradebook records scores for all automatically graded assignments in one place, while diagnostic tools give instructors access to rich data to assess your understanding and misconceptions. Mastering brings learning full circle by continuously adapting to your learning and making learning more personal than ever–before, during, and after class. Note: You are purchasing a standalone product; MasteringChemistry does not come packaged with this content. Students, if interested in purchasing this title with MasteringChemistry, ask your instructor for the correct package ISBN and Course ID. Instructors, contact your Pearson representative for more information. If you would like to purchase both the physical text and MasteringChemistry, search for: 0134103971 / 9780134103976 Chemistry: A Molecular Approach Plus MasteringChemistry with eText -- Access Card Package. Package consists of: 0134112830 / 9780134112831 Chemistry: A Molecular Approach 0134126424 / 9780134126425 MasteringChemistry with Pearson eText -- ValuePack Access Card -- for Chemistry: A Molecular Approach
Sample questions asked in the 4th edition of Chemistry:
Sweat cools the body because evaporation is an endothermic process Estimate the mass of water that must evaporate from the skin to cool the body by 0.50 °C. Assume a body mass of 95 kg and assume that the specific heat capacity of the body is 4.0 J/g · °C.
The outermost valence electron in atom A experiences an effective nuclear charge of 2+ and is on average 225 pm from the nucleus. The outermost valence electron in atom B experiences and effective nuclear charge of 1+ and is on average 175 pm from the nucleus. Which atom (A or B) has the highest first ionization energy? Explain.
An electron confined to a one-dimensional box has energy levels given by the equation where n is a quantum number with possible values of 1, 2, 3, …, m is the mass of the particle, and L is the length of the box. a. Calculate the energies of the n = 1, n = 2, and n = 3 levels for an electron in a box with a length of 155 pm. b. Calculate the wavelength of light required to make a transition from n = 1 ? n = 2 and from n = 2 ? n = 3. In what region of the electromagnetic spectrum do these wavelengths lie?
According to Coulomb’s law, if the separation between two particles of the same charge is doubled, the potential energy of the two particles: a) becomes twice as high as it was before the distance separation. b) becomes one-half as high as it was before the separation. c) does not change. d) becomes one-fourth as high as it was before the separation.
The hydride of an unstable nuclide of a Group IIA metal, MH 2 ( s ) , decays by ?-emission. A 0.025 mol sample of the hydride is placed in an evacuated 2.0 L container at 298 K. After 82 minutes, the pressure in the container is 0.55 atm. Find the half-life of the nuclide.
Hydrogen and methanol have both been proposed as alternatives to hydrocarbon fuels. Write balanced reactions for the complete combustion of hydrogen and methanol and use standard enthalpies of formation to calculate the amount of heat released per kilogram of the fuel. Which fuel contains the most energy in the least mass? How does the energy of these fuels compare to that of octane (C 8 H 18 )?
Chegg Staff Review of the Textbook:
Chemistry – A Molecular Approach 4th Edition by Nivaldo J. Tro is a good book for students taking general chemistry courses. A molecular approach to learning chemistry is the study of the behavior of matter, as determined by the properties of molecules and atoms and their molecular arrangement.
The material in this book is well laid out and organized with key terms given at the end of each chapter to help students easily locate the different terms in the lesson. Key Concepts give a summary of important concepts in the chapters. Formula and relationships are given in Key Equation and Relationships. The media package that may be provided with this book contains Key Concept Videos and Interactive Worked Examples. The media package helps students learn concepts with the help of the activities given.
Concepts and theories are well explained with relevant pictorial data. For example, chemical bonding is supported with relevant pictures and tables in chapters 9 and 10. Zooming in on a portion of a figure, as given on page 10, is a very useful feature of this book that helps improve readability and understanding. It makes it easier for students to visualize chemical bonding in constituent particles of matter.
I believe the example and practice problems in this book are helpful ways to self-check the level of learning and understanding. The end of chapter problems cover the topics in each chapter. These problems provide an opportunity for students to practice their problem-solving skills and subject expertise. ‘Data Interpretation and Analysis’ questions deal with real-life situations from which students can learn data analysis skills. ‘Questions for Group Work’ is one more category of questions that enable students to work with their peers in small groups. This is very useful to build collaborative learning and teamwork skills.
Common mathematical operations in chemistry are given in appendix I to provide a basic training for mathematical skills. In my opinion, this is a good book for students taking general chemistry courses at a higher educational level.
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