'2 moles' presentation slideshows

ACIDS AND BASES

ACIDS AND BASES. WHAT IS AN ACID?. An acidic solution contains more hydrogen ions (H + ) than hydroxide (OH - ) ions They must be in aqueous solutions Example: H 2 O ? H + + OH -. More of these. WHAT ARE THE PROPERTIES OF AN ACID?. Acidic solutions taste sour

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Stoichiometry

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The Mole

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Chapter 10

Chapter 10. Unit Outline. Introduction : Measures of Quantity Molar Mass Molar Volume Percent Composition Finding Formulas. Measures of Quantity. 1 dozen = 12 doughnuts. EX1 : How many doughnuts are in 4.0 dozen?. EX2 : How many dozen are in 27 doughnuts?. Measures of Quantity.

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Chapter 10.1

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Chapter 5

Chapter 5. To accurately and concisely represent chemical reactions we use the symbols of the elements and compounds in the reaction. This is done with a chemical equation .

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Chapter 9 Stoichiometry

Chapter 9 Stoichiometry. Chemistry. The Mathematics of Chemical Reactions: STOICHIOMETRY. I. Balanced Chemical Equations A. Provide qualitative and quantitative information B. Supports the Law of Conservation of Matter 2H 2 + O 2 ? 2H 2 O

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Stoichiometry

Stoichiometry. Part 1: moles to moles. Introduction. Stoichiometry is the study of the mass and mole relationship between the reactants and products of a chemical reaction. In order to do stoichiometry properly, we need to know the proper chemical equation ...

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Chapter 13 Solutions

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According to the law of the conservation of atoms, the total mass of the reacting substances is

MATTER, ENERGY AND CHANGE. According to the law of the conservation of atoms, the total mass of the reacting substances is a) always greater than the total mass of the products b) always less than the total mass of the products

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Discussion: The Mole

Discussion: The Mole. Objective: To understand the mole concept and how it is related to the more familiar dozen. The Dozen. How do you convert a number like 54 to dozen? we divide by 12 How do we convert dozens to numbers? Multiply by 12. Counting atoms.

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Stoichiometry

Stoichiometry. LACC Chem101. Review of Balancing Equations. Balance the following chemical equations shown below: ____KClO 3 (s ) ? ____ KCl (s ) + ____ O 2 (g ) ____ NH 3 (g ) + ____ O 2 (g) ? ____ N 2 (g ) + ____ H 2 O(g )

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Not Pure Substance= Mixture

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Wednesday, May 11, 2010

Wednesday, May 11, 2010. Weston Preparatory Academy Chemistry Classes. Wednesday, May 12, 2010. Warmup: Daily class diary/ journal OR: What happens when water and electricity mix? Guess or tell a story. HW due today: p.311 #1-7 all.

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Stoichiometry

Stoichiometry. Mathematics & Science Center. Brainstorm. What do you already know about chemical reactions?. Mole. A Counting Number Equal To 6.02 X 10 23 individual units. A mass in grams equal to the atomic mass or the formula mass of a substance.

222 views • 14 slides

Way Back Wednesday!

Way Back Wednesday!. What is the difference between an ionic and covalent bond? Name one element in the family of the halogens . Which of these is a nonmetal: K, Ni, As, Cl ?. You must be silent and working for credit B e on time E nter silently G rab papers I mmediately start work

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Wednesday January 23, 2013

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10-1: THE MOLE

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Writing out equations

Writing out equations. How can you track where the atoms are going?. Create an Atom inventory Before and after a reaction occurs Ex: Mn(s) + O 2 (g) > MnO Atom Inventory Before After Mn 1 Mn 1 O 2 O 1.

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NOTES: Using a reaction to find moles or grams

NOTES: Using a reaction to find moles or grams. If you start with 2 moles of H 2 O, how many grams of O 2 will you end with? 2H 2 O ? 2H 2 + O 2. If you start with 2 moles of Na 2 O, how many grams of Na will you end with? (Na = 23 g/mol)

167 views • 6 slides