Help Room 1-3 Mon GMCS 212 2-4 Thu Final Exam Sat 6-8 pm Room assignments to be determined Alternate times‚ email chem200@sciences.sdsu.edu FINAL EXAM * problems 1-10 exam 1 material * probelsm 11-20 exam 2 material * problems 21-30 exam 3 material * problems 31-35 new material (MO theory from ch 11‚ ch 12) All Single-choice 10 multiple choice material 2. Which pair of atoms/ions has same # of electrons? 32p and 32s 15e 16e- Al 3+ and Cl- 10e- 18e- Xe and I-
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Name:____________________________ Date:_____________________ Period:_______ Chemistry Chapter 5 Review: 1. How does the energy of an electron change when it moves closer to the nucleus? 2. The principle quantum number indicates what property of an electron? 3. What shape are s orbitals and p orbitals? 4. What is the maximum number of f orbitals in one energy level of an atom? 5. What is the maximum number of d orbitals in one principal energy level of an atom? 6. What is the maximum number
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Ch 10 Gas Laws Sample Questions 1) A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant temperature. After the compression‚ the gas pressure was __________ atm. A) 4.00 B) 2.00 C) 1.00 D) 8.00 E) 16.0 2) A balloon originally had a volume of 4.39 L at 44 °C and a pressure of 729 torr. The balloon must be cooled to __________°C to reduce its volume to 3.78 L (at constant pressure). A) 38 B) 0 C) 72.9 D) 273 E) 546 3) If 50
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* 9/4/12 12.3 - crystal structures crystalline structure: possess rigid and long-range order; its atoms‚ molecules‚ or ions occupy specific positions (Exs. wax ‚ice‚ sugar‚ salt‚ diamond‚ etc.) unit cell: basic repeating structural unit of crystalline solid -there are seven types of unit cells coordination number: number of atoms surrounding an atom in a crystal lattice -higher coordination number --> more tightly packed structure 3 types of cubic unit cells: -primitive cubic (sc) c#:
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ALCOHOLS Alcohols are compounds in which one or more hydrogen atoms in an alkane have been replaced by an -OH group. For the purposes of UK A level‚ we will only look at compounds containing one -OH group. For example: Primary alcohols In a primary (1°) alcohol‚ the carbon which carries the -OH group is only attached to one alkyl group Some examples of primary alcohols include: Secondary alcohols In a secondary (2°) alcohol‚ the carbon with the -OH group attached is joined directly to
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Nuclear Chemistry webquest by Margaret Moore semester 1 Chemistry Part One 1) The term Half-life for a radio-active substance means the time it takes for the substance to decay while decreasing by ½. 2) Spontaneous fission is a type of radioactive decay in heavy elements with unstable nuclei being split into more stable smaller fragments 3) Two important application of neutron radiation are neutron therapy for tumors/cancer and neutron bombs for defense. 4) Ionization radiation is radiation
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Exercise 5 INTRODUCTION TO STEREOCHEMISTRY I. Introduction Stereochemistry is concerned with the shapes of molecules and how the differences in shapes can effect the properties and reactions of compounds. Subtle differences in molecular shape have far – reaching consequences and it is probably the field of molecular biology that a full awareness of molecular shapes has emerged. A knowledge of the molecular shapes of such vital compounds as sugars‚ amino acids‚ and proteins is essential
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Why will insulators affect how long a test tube of hot water stays hot? Background Information I know that there are many different ways of insulating this test tube‚ shiny foil can be used because it’s a poor emitter of radiation and it will reflect escaping heat by reflecting‚ because this method is used in flasks to keep hot drinks warm. Though it is a good conductor so will lose heat through to surfaces its touching but it shouldn’t matter because it will be touching air and glass which both
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effect of water and fertilizer on corn seedlings Biology 1108 Lab Section November 7‚ 2012 Abstract The effect of water and fertilizer on corn seedlings was examined. It was hypothesized before the experiment that enough water with sunlight and air should make the plants grow healthy. It has to do with photosynthesis. Fertilizer is also going to make the plants grow much faster; this is because of the nutrients in it. The experiment took about four to six weeks to complete; it took some days for
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Lab experiment 12 Percent of water in a hydrate The goal of Experiment 12 was to learn how to calculate the percent of water (by mass) in barium chloride and an unknown hydrate salt‚ as well as properly calculating the water of crystallization for the unknown hydrate salt. A hydrate salt is composed of anions (-) and cations (+) surrounded by a fixed number of water molecules‚ called water of crystallization. The hydrate decomposes upon heating and
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