'5 mol' diaporamas de présentation

Stoichiometry Molarity and more

Stoichiometry Molarity and more. Some questions require scrap paper/whiteboards.

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Chapter 2

Chapter 2. ??. ????. 2-1 ?????????? 1-1A ??? 1-1B ????? 2-2 ?????????? 1-2A ?????? 1-2B ???? 2-3 ????? - ??????? 1-3A ?????? 1-3B ???????????? 2-4 ????? 1-4A ???????? 1-4B ???? 2-5 ???????? 1-5A ????????? 1-5B ?????? 1-5C ?????. 2-1 ??????????. ??. ????. ??? / ???.

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The Mole

The Mole. Chapter 11. Measuring Matter. Section 11.1. How much is a mole?. Count large # of items is easier when you use counting units like the dozen Chemists use a counting unit called the mole. How is a mole used in chemistry?.

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Page 311

Page 311. 1. Determine the number of atoms in 2.50 mol Zn. Page 311. 1. Determine the number of atoms in 2.50 mol Zn. 6.02x10 23 atoms 2.50 mol x ----------- = 1 mol. Page 311. 1. Determine the number of atoms in 2.50 mol Zn. 15.05 x 10 23 atoms.

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Determining Chemical Formulas

Determining Chemical Formulas. empirical formula- consists of the symbols for the elements combined in a compound, with subscripts showing the smallest whole number mole ratio of the different atoms in the compound CH 3 = empirical formula (does not exist)

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Energy Changes During Chemical Reactions

Energy Changes During Chemical Reactions. Chemical reactions always result in the breaking of bonds between atoms and the formation of new bonds. Breaking bonds consumes energy (stores it) Making bonds releases energy.

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Chemistry 332

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Today we will:

Today we will:. Learn about the mole. Today we will:. Today we will:. Counting units:. pair dozen score gross ream mole. Counting units:. pair 2 dozen score gross ream mole. Counting units:. pair 2 dozen 12 score gross ream mole . Counting units:. pair 2

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Stoichiometry

Stoichiometry. Simply, the math behind chemistry. What is a chemical equation?. Can you define these?. Reactants Products Balance Law of Conservation of Mass The Mole Mass to Mole conversion Molar Mass. You Tube Crash Course. http://www.youtube.com/watch?v=UL1jmJaUkaQ.

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Stoichiometry

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Solving a Stoichiometry Problem

Solving a Stoichiometry Problem. Balance the equation. Convert given to moles. Determine which reactant is limiting. Use moles of limiting reactant and mole ratios to find moles of desired product. Convert from moles to grams, molecules or Liters. Practice Test 2 (Ch. 9).

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Stoichiometry

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Avogadro's Law

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المنظومة التالية توضح العلاقات التي تربط قانون الغازات العام مع ك

PV = nRT. الكثافة. الوزن الجزيئي M.wt. الكتلة Wt. (gm). الضغط. الحرارة. ثابت الغاز. الحجم. المول. المنظومة التالية توضح العلاقات التي تربط قانون الغازات العام مع كل من قانون المول الوزني وقانون المولارية الحجمي مع الكثافة كالتالي:. m. V. P M. =. RT. dRT. P.

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Stoichiometry

Stoichiometry . The Chemical Equation: H-O-H + H-O-H --> O=O + H-H + H-H 2 molecules --> 1 molecule + 2 molecules note that atoms are conserved 2 atoms of oxygen are seen in the reactants and in the products 4 atoms of hydrogen are seen in the reactants and the products

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Review Answers with step-by-step examples

Review Answers with step-by-step examples. Vocabulary Terms. Stoichiometry: the calculation of quantities in chemical equation. Limiting Reagent: the reactant that determines the amount of product in a reaction. Excess Reagent:

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Ruthenium-Catalyzed Decarboxylative Allylation of Nonstabilized Ketone Enolates

Ruthenium-Catalyzed Decarboxylative Allylation of Nonstabilized Ketone Enolates. General procedure for catalyst preparation.

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HIGHER GRADE CHEMISTRY CALCULATIONS

HIGHER GRADE CHEMISTRY CALCULATIONS. Redox titrations are used to find out information about one reactant, using known information about the other. Worked example 1.

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L M U

Abstract WEPE0151 :. improvement. improvement. improvement. no change. no change. no change. worsening. worsening. worsening.

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