'Formula weight' diaporamas de présentation

Midterm WEDNESDAY Ch 8-10.5 Final Exam will be the last day of class. SL 130, 1-4 pm.

Midterm WEDNESDAY Ch 8-10.5 Final Exam will be the last day of class. SL 130, 1-4 pm. Hydrate A compound that contains water molecules weakly bound in the crystals. The formula of a hydrate is written with a dot before the water molecule(s) included. For example: CuSO 4 ?5H 2 O.

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Chapter 3

Chapter 3. Molecules, Compounds, and Chemical Equations. Compounds. When two or more elements are combined chemically, they are called a compound .

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Chemical Bonds

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Stoichiometry

Stoichiometry. AP Chemistry Ms. Henry. Percent abundance. Depends on sample %abund= # of atoms of isotope x 100 Total # atoms all isotopes. Exercise 3.1 The Average Mass of an Element

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Law of Conservation of Mass

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Aquifer Water Quality

Aquifer Water Quality. Groundwater Hydraulics Daene C. McKinney. Introduction. Groundwater Quality Sampling Plan Field Measured Parameters pH Alkalinity Conductance Salinity Dissolved Oxygen Turbidity Chemical Equivalence Laboratory QA/QC Diagrams Piper Stiff

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Topic 3 Mass Relations and Stoichiometry

Topic 3 Mass Relations and Stoichiometry. Mass and Moles of a Substance. Chemistry requires a method for determining the numbers of molecules in a given mass of a substance which has lead to the development of the mole (quantity of substance to be discussed later).

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IR spectrum of 1-acetyl-5-(2, 5-dimethoxyphenyl)-3-(2-naphthyl)-4,5-dihydro-1H-pyrazole, (5a) .

IR spectrum of 1-acetyl-5-(2, 5-dimethoxyphenyl)-3-(2-naphthyl)-4,5-dihydro-1H-pyrazole, (5a). 1 H NMR spectrum of 1-acetyl-5-(2, 5-dimethoxyphenyl)-3-(2-naphthyl)-4,5-dihydro-1H-pyrazole, (5a). Formula Weight = 374.432.

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Water and Solutions

Water and Solutions. The importance of water. Important component of solutions Water quality, composition, and pH can drastically affect an experiment. Which water should I use?. Tap water Variable chemistry and purity Laboratory grade water Reverse osmosis or distillation

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AP Equations Question 4 Molar Mass and % Composition

AP Equations Question 4 Molar Mass and % Composition. Chapter 3, Part 1. Directions:.

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CHAPTER 6 TITRIMETRIC METHODS OF ANALYSIS

CHAPTER 6 TITRIMETRIC METHODS OF ANALYSIS.

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CHAPTER 2

CHAPTER 2. CHEMICAL FORMULAS & COMPOSITION STOICHIOMETRY. Chemical Formulas. show the ratio of the elements present in the molecule or compound He, Au, Na - monatomic O 2 , H 2 , Cl 2 - diatomic O 3 , P 4 , S 8 - more complex elements

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Formula Weight

Formula Weight. Formula Weight is the total mass of a compound. FW = SUM(Atomic Mass x # of the Element). Calculating the Formula Weight of H 2 SO 4. Step 1: Break the formula down into the elements that make it up. H S O. Calculating the Formula Weight of H 2 SO 4.

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The molecular formula is C 5 H 8 . What is the structure?

The molecular formula is C 5 H 8 . What is the structure?. The molecular formula is C 6 H 12 . What is the structure?. The molecular formula is C 6 H 12 O. What is the structure?. The molecular formula is C 6 H 12 O 2 . What is the structure?.

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The Mole & Avogadro

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WHY???

How to Make Simple Solutions and Dilutions Taken from: Resource Materials for the Biology Core Courses-Bates College (there may be errors!!). WHY???. You want to subject your DNA to a .5M solution of EDTA. HUM!!!!!!!! How would you do that??????

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The Mole: A Shortcut for Chemists

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Chloroprene

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Mass Measurements In Chemistry

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QUIZ

QUIZ. Q1. What is the formula weight(Molecular weight) for C6H6.(BENZENE) SHOW YOUR WORK. Q2. How many atoms are in 100g of Benzene ( C6H6) SHOW YOUR WORK. Q1. What is the formula weight(Molecular weight) for C6H6.(BENZENE) Molar mass Moles

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