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Dimensional Analysis This is a way to convert from one unit of a given substance to another unit using ratios or conversion units. What this video www.youtube.com/watch?v=aZ3J60GYo6U Let’ look at a couple of examples: 1. Convert 2.6 qt to mL. First we need a ratio or conversion unit so that we can go from quarts to milliliters. 1.00 qt = 946 mL Next write down what you are starting with 2.6 qt Then make you conversion tree 2.6 qt Then fill in the units in your ratio so that you can cancel out the original unit and will be left with the unit you need for the answer. Cross out units, one at a time that are paired, and one on top one on the bottom. 2.6 qt mL qt Now fill in the values from the ratio. 2.6 qt 946 mL 1.00 qt Now multiply all numbers on the top and multiply all numbers on the bottom and write them as a fraction. 2.6 qt 946 mL = 2,459.6 mL 1.00 qt 1.00 Now divide the top number by the bottom number and write that number with the unit that was not crossed out. 26
1qt=32 oz 1gal = 4qts 1.00 qt = 946 mL 1L = 1000mL 2. Convert 8135.6 mL to quarts 8135.6 ml = 1 qt 8135.6 946 ml 946 8.6 8.6000 qts 3. Convert 115.2 oz to mL 115.2 oz 1 qt 32 oz 946 ml 1 qt = 108979.2 32 3405.6 3406 ml 4. Convert 2.3 g to Liters 2.3 gal 4 qts 946 ml = 1 l 8703.2 8.7032 8.70 L 1 gal 1 qt 1000 ml 1000 5. Convert 8.42 L to oz 8.42 L 1000 ml 1.00 qt 32 oz 269440 1L 946 ml 19 qt 946 = 284.820296 285 oz Go to http://science.widener.edu/svb/tutorial/ chose #7 “Converting Volume” and do 5 more in the space provided. 1. Convert _________ .75 gal to _________ mil .75 gal 4 qts 946 ml 1gal 1.00 qt = 2838 1 2838 mil 2. Convert _________ 2.08 gal to _________ mil 2.08 gal 4 qts 946 ml 1 gal 1 qt = 7870.72 1 7870.72 mil 3. Convert _________ 7.47 L to _________ oz 7.47 L 1000 ml 1 qt 32 0z 1L 946 ml 1 qt = 239040 946 252.68498943 253 oz 4. Convert _________ 2932.6 mil to _________ qt 2932.6 mil 1 qt 946 ml = 29932.6 946 3.1 3.1000 qt 5. Convert _________ .73 gal to _________ L .73 gal 4 qts 946 ml 1 L 2762.32 1 gal 1 qt 1000 ml 1000 = 2.76232 2.8 L 27
Page 1 and 2: Chemistry Notebook Nedjie Jean-Fran
Page 3 and 4: Table E Selected Polyatomic Ions Fo
Page 5 and 6: Table H Vapor Pressure of Four Liqu
Page 7 and 8: Table K Common Acids Table N Select
Page 9 and 10: Table R Organic Functional Groups C
Page 11 and 12: Table S Properties of Selected Elem
Page 13 and 14: Table T Important Formulas and Equa
Page 15 and 16: CHEMISTRY EXAM FORMULA AND RESOURCE
Page 17 and 18: Activity Series of Metals Name Symb
Page 19 and 20: Unit 1 Measurement Lab Separation o
Page 21 and 22: Unit 5 (28 days) Chapter 10 Chemica
Page 23 and 24: 30. Always lubricate glassware (tub
Page 25 and 26: 7
Page 27 and 28: Print vs. print Online vs. online P
Page 29 and 30: To use the Stair-Step method, find
Page 31 and 32: Using SI Units Match the terms in C
Page 33 and 34: Standards of Measurement Fill in th
Page 35 and 36: SCIENTIFIC NOTATION RULES How to Wr
Page 37 and 38: Convert each number from Scientific
Page 39 and 40: Significant Figures Rules There are
Page 41 and 42: How Many Significant Digits for Eac
Page 43: The following rule applies for mult
Page 47 and 48: Chapter 6 The Periodic Table The st
Page 49 and 50: Atoms Are Building Blocks Atoms are
Page 51 and 52: Electrovalence Don't get worried ab
Page 53 and 54: Summary 35
Page 55 and 56: Research the Scientist and summariz
Page 57 and 58: Electron Configuration Color the su
Page 59 and 60: Electron Configuration In order to
Page 61 and 62: 43
Page 64: 10. Name __________________________
Page 67 and 68: Using Wikipedia, define the 8 categ
Page 69 and 70: Ionization Energy Define Ionization
Page 71 and 72: Ion Size Define Ion Size: Explanati
Page 73 and 74: The Nucleus A typical model of the
Page 75 and 76: Gamma Radiation After a decay react
Page 77 and 78: Nuclear Fission The word fusion mea
Page 79 and 80: Students will be able to predict sh
Page 81 and 82: This analysis shows that sodium has
Page 83 and 84: Metals, with only a few electrons i
Page 85 and 86: 1 2 3 4 5 6 Name of Cation Calcium
Page 87 and 88: POLAR BONDING results when two diff
Page 89 and 90: Step 6 Put the atoms in the structu
Page 91: Orbitals Equation Lone Pairs Angle
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carbon dioxide Chemical Name CO 2 C
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hydronium Chemical Name H 3 O + Che
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Sulfur hexafluoride Chemical Name S
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Bent: They look, well, bent. Bond a
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4. the chlorine atom in hydrochlori
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Chapter 23 Functional Groups The st
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85
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anched chains: Hexane - a 6-carbon
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Isomers Because carbon can bond in
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Chapter 12 Stoichiometry The studen
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Other atomic weights are listed on
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Find Molecular Mass 1- 10 1. NaBr 4
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Step 3 Always leave hydrogen and ox
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1) ___ 2 NaNO3 + ___ PbO ___ Pb(NO
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1) 2 NaNO3 + PbO Pb(NO3)2 + Na2O 2
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4) Double displacement: This is whe
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Determine the Type of Reaction for
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we can determine that 2 moles of HC
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When there is no limiting reagent b
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Example 7 How much 5M stock solutio
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Theoretical and Actual Yields Key T
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Review Purposes To get an over
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Liters to Liters Define- Going from
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Chapter 14 The Behavior of Gases Th
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13.1 The Nature of Gases Kinetic En
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Freezing Point- The temperature at
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It is important that you realize th
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3. The pressure of nitrogen gas in
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This formula is strictly valid only
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conduct an electric current in eith
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Create and interpret potential ener
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Structure effects: determines what
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Specific Heat Here is the definitio
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Step One: solid ice rises in temper
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Step Three: liquid water rises in t
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Step Five: steam rises in temperatu
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then it is exothermic, meaning the
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Define the types of reactions. Give
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1. If this compound was at room tem
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1. In what part of the curve would
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Reduction Oxidation reduction react
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So far, the properties have an obvi
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The acid base theory of Brønsted a
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IV. Problems with the Theory This t
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Let's discuss significant figures a
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On your calculator you would input
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Ag+ + Cu ---> Ag + Cu2+ I have deli
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7. Half Reactions A half-reaction i
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Notice that each separate substance
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