By John Kenkel
Chemistry could be a daunting topic for the uninitiated, and all too usually, introductory textbooks do little to make scholars consider relaxed with the complicated material. Basic Chemistry techniques and workouts brings the knowledge of John Kenkel’s greater than 35 years of educating adventure to speak the basics of chemistry in a pragmatic, down-to-earth manner.
Using conversational language and logically assembled snap shots, the ebook concisely introduces each one subject with no overwhelming scholars with pointless element. instance difficulties and end-of-chapter questions emphasize repetition of innovations, getting ready scholars to turn into adept on the fundamentals sooner than they development to a sophisticated common chemistry direction. more desirable with visualization concepts reminiscent of the 1st chapter’s mythical microscope, the ebook clarifies tough, summary rules and stimulates interest into what can rather be an overpowering topic.
Topics mentioned during this reader-friendly textual content include:
- Properties and constitution of matter
- Atoms, molecules, and compounds
- The Periodic Table
- Atomic weight, formulation weights, and moles
- Gases and solutions
- Chemical equilibrium
- Acids, bases, and pH
- Organic chemicals
The appendix comprises solutions to the homework workouts so scholars can cost their paintings and obtain fast suggestions to whether they've got correctly grasped the strategies sooner than relocating directly to the following part. Designed to aid scholars include chemistry no longer with trepidation, yet with self assurance, this reliable preparatory textual content types a company origin for extra complicated chemistry training.
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Additional resources for Basic Chemistry Concepts and Exercises
What is a formula unit? How is it used in chemistry? What is the difference between an atom and a molecule? Define each of the following terms. a. Mass b. Atomic mass unit c. Atomic weight d. Complete the following tables. What is an isotope? How does one isotope of an element differ from another isotope of the same element? Fill in the blanks. a. The symbol for the element with atomic number 54 is . b. The number of electrons in a neutral atom of zinc is . c. The particle inside the atom that does not have a charge is the .
An atom with a nucleus of eight protons and nine neutrons is an isotope of oxygen. Is an atom with nine protons and eight neutrons another isotope of oxygen? Explain your answer. 453. Explain why this atomic weight is not the same as the weight of either of these isotopes. indb 26 9/3/10 2:45:09 PM Chapter 2 Significant Figures, the Metric System, and Dimensional Analysis Introduction . . . . . . . . . . . . . . . . . . Reading A Measuring Device . . . . . . . . . . .
5, we find the following: 1g 1000 mg Thus, we have the answer given below. 9174 L? 4 The set-up is as follows. 9174 L × = µL The conversion factor must have µL in the numerator and L in the denominator. 5 inches? 5 Since we have not presented a conversion factor to transform inches directly to kilometers, let us first convert to meters and then to kilometers. This will require two conversion factors. 5 in × × = km The first conversion factor needed must convert inches to meters, while the second must convert meters to kilometers.