A l chemistry notes
[DOC File]BALANCING CHEMICAL EQUATIONS - PRACTICE SHEET # 2
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CHEMISTRY - CHAPTER 3: EQUATIONS. 20 5 ch3 chemical reactions. 12/12/2006. Title: BALANCING CHEMICAL EQUATIONS - PRACTICE SHEET # 2 Author: rdhs Last modified by: DUNPHYM Created Date: 11/13/2006 3:02:00 PM Other titles: BALANCING CHEMICAL EQUATIONS - …
[DOC File]Chemistry: Spring Semester Lecture Notes
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EX. At STP, how many g is 548 L of chlorine gas? EX. Strontium chloride is an anhydrous beaker = 65.2 g. salt on which the following data beaker + sample before heating = 187.9 g. were collected. Find formula of hydrate. beaker + sample after heating = 138.2 g. 3 1 mol = 22.4 dm3. 1 mol = molar mass (in g) MN. MN. H2O. H2O. H2O. H2O. H2O. H2O ...
[DOC File]Chemistry Test: Unit 1 Review
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a. 0.004 00 L c. 0.000 44 L b. 0.004 04 L d. 0.004 40 L 6. Which of the following measurements is expressed to three significant figures? a. 0.007 m c. 7.30 10 km b. 7077 mg d. 0.070 mm 7. In the measurement 0.503 L, which digit is the estimated digit?
[DOC File]Chemistry: Unit 4
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Li ( 2nd E.L. / 2nd period Na ( 3rd E.L. / 3rd period. Periodicity ( there are trends in properties of elements -- left-right AND up-down trends. atomic radius: the size of a neutral atom …increases as we go . add a new energy level each time …decreases as we go . coulombic attraction: attraction between …
[DOC File]Hn Chemistry Notes
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Hn Chemistry Notes. Electron Configuration. I. Electron Configuration: 1. The quantum model improves of Bohr’s Diagram, it describes the electrons in an atom of all elements on the periodic table. 2. There are rules governing the placement of the electrons into the orbitals. a. Aufbau’s Principle: An electron occupies the lowest energy ...
[DOC File]Molarity Notes – H
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Molarity Notes – H. Chemistry Name _____ Reference the text pp. 418-421 of our text (omit Molality). Sample problems A, B and C are appropriate for our class as well as the practice problems at the bottom of p. 421. Molarity. means moles of solute dissolved per liter of solution = mol/L…
[DOCX File]Types of reactions Notes
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Most chemical reactions can be placed into one of five basic types: 1.Decomposition Reactions. A compound breaks into parts. compound → element + element
[DOC File]Chapter 1 Chemistry: Matter and Measurement
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Honors Chemistry Unit 1 Notes: Matter and Measurements. Objectives: 1. Students will become familiar with the meanings of various introductory concepts such as the meanings of the words: chemistry, substance, element, compound, atom, molecule, heterogeneous and homogeneous mixtures, and matter.
Chemistry Chapter 14 - Quia
A 5.25 L sample of a gas is at a pressure of 125 kPa. What is the volume when the pressure is 75.0 kPa. Information 1: 5.25 L 125 kPa. Information 2: V 75.0 kPa Logic: P V > 1. Sample Problems: 4. Nitrous oxide, N2O, is used as an anesthetic. The pressure of 2.50 L of N2O changes from 105 kPa to 40.5 kPa.
[DOC File]Chemistry 221 - Oregon State University
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l is the sublevel (sometimes called the orbital or angular momentum) quantum number (l = 0, 1, 2..., n-1). l designates the shape of the electron cloud (orbital) (the region of space that represents the volume that the electron occupies 90% of the time). When l = 0 (called an s-orbital) the shape is a sphere.
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