'Cuso4' diaporamas de présentation

Chemical Compounds

Chemical Compounds. Honors Chemistry. 3 Types of Formulas. Empirical : Smallest whole-number-ratio of atoms or ions in a compound Ex. CH 2 NH 3 Molecular : Tells you the actual number of atoms of an element in a compound Ex. C 2 H 4 N 2 H 6

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Stoichiometry

Stoichiometry . Chapter 9 Combining Reactions and Mole Calculations. The Arithmetic of Equations. When you know the quantity of one substance in a reaction, you can calculate the quantity of any other substance consumed or created in a reaction.

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Oxidation-Reduction

Oxidation-Reduction. Larry J. Scheffler Lincoln High School. LEO . LEO says. GER!. GER!. LEO says. L oss of Electrons = Oxidation Gain of Electrons = R eduction. Oxidation Numbers. Oxidation is the loss of electrons; Reduction is the gain of electrons

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Reactions in Aqueous Solution

Reactions in Aqueous Solution. Chapter 4 Dr. Daniel E. Autrey January 26 th , 2005 CHEM 140. Solution. Solvent. Solute. A solution is a homogenous mixture of 2 or more substances. The solute is(are) the substance(s) present in the smaller amount(s).

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The factor label method

The factor label method. A way to solve math problems in chemistry Used to convert km to miles, m to km, mol to g, g to mol, etc. To use this we need: 1) desired quantity, 2) given quantity, 3) conversion factors

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What type of reaction??? Net ionics & Predicting products

We need to work on this. What type of reaction??? Net ionics & Predicting products. What type of reaction???. H 2 + O 2 ---> H 2 O Synthesis Decomposition Single replacement Double replacement Combustion. What type of reaction???. HgO ---> Hg + O 2 Synthesis Decomposition

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Ionic bonding

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The Wisdom of Gallagher

The Wisdom of Gallagher. Why are there Interstate Highways in Hawaii? . Why are there floatation devices under plane seats instead of parachutes? . Why do we drive on parkways and park on driveways? . Why do hot dogs come ten to a package and hot dog buns only eight?. Limiting Reactants.

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Chapter 15.2 Homogeneous Aqueous Systems

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CHEM 1031

CHEM 1031. DETERMINATION OF THE FORMULA OF A HYDRATE. PURPOSE AND GOALS. DETERMINE THE NUMBER OF MOLES OF WATER IN AN UNKNOWN HYDRATE. PRINCIPLES. INORGANIC SALTS ANHYDROUS CONDITIONS HYDRATE-WATER MOLECULES BOUND. WATER MECHANICALLY TRAPPED CHEMICALLY BOUND.

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Have you ever tried counting the number of rice particles in your bowl?

Have you ever tried counting the number of rice particles in your bowl?. Relative Masses of Atoms and Molecules. Masses of Particles in Chemistry. the mass of a hydrogen atom is 0.000 000 000 000 000 000 000 0014g very small values and very inconvenient to write

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Preparation of Salts

Preparation of Salts. By SK Chan . Preparing sodium chloride. Add NaOH to HCl slowly to get a neutral solution. (How?) Concentrate the solution by evaporation until some white crystals around the edge of solution are seen.

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Practical Report

Practical Report. Gravimetric Analysis grams/ litre yeild. Aim. To determine yield of a dissociation /precipitation reaction. Hypothesis. That the mass of precipitate product (dependent variable) is set by the concentration and volumes or reactants (independent variable). Materials.

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Synthesis Reactions

Synthesis Reactions. Sodium metal reacts with chlorine gas Na (s) + Cl 2(g) ? Solid Magnesium reacts with fluorine gas Mg (s) + F 2(g) ? Aluminum metal reacts with fluorine gas Al (s) + F 2(g) ? . Decomposition Reactions.

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Ivan Lomachenkov

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Reading Chemical Formulas

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Single and Double Replacement Reactions

Single and Double Replacement Reactions. Single-replacement reaction. Mg + CuSO 4 ? MgSO 4 + Cu. General form: A + BC ? AC + B. Double-replacement reaction. CaCO 3 + 2 HCl ? CaCl 2 + H 2 CO 3.

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Hydrate Lab Answers

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Abstract

Toxicity Detection of Pollutants in Freshwater Using Daphnia Magna and EDVOTEK Kit Christopher Porter (Undergraduate) and Stephanie Luster- Teasley , PhD (advisor) College of Engineering, North Carolina Agricultural and Technical State University, Greensboro, North Carolina 27411. Conclusion.

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Name the compounds

Name the compounds. Barium chloride Calcium chloride Copper sulphate Lead(2) nitrate Potassium nitrate Sodium sulphate Ammonium chloride Barium hydroxide Sodium carbonate Copper(2) oxide Aluminium (3) oxide Magnesium sulphate Sodium hydroxide Calcium carbonate Nickel sulphate

866 views • 1 slides