'Balancing equations' presentation slideshows

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CHGS105 Chapter 17 Chemical Reactions

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Balancing Really Hard Chemical Reactions

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Balancing Chemical Equations

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Ch. 3

Ch. 3. Molar Mass; The Mole; Empirical and Molecular Formulas; % Composition; Isotopic Masses and abundance; Balancing Equations; Mass to Mass; Limiting Reactants; % Yield;. The Mole: 1 mol of anything = 6.022 x 10 23 units of that thing; Average Atomic Masses have units: g/mol.

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Chemical Equation

Chemical Equation. Describes a chemical reaction A + B ? C A and B = reactants C = product CO (g) + 2H 2(g) ? CH 3 OH (l). Information Given by Chemical Equations. CO (g) + 2H 2(g) ? CH 3 OH (l) 1 molecule of CO + 2 molecules of H 2 ? one molecule of CH 3 OH

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Chemical Equation

Chemical Equation. Describes a chemical reaction A + B ? C A and B = reactants C = product CO (g) + 2H 2(g) ? CH 3 OH (l). Information Given by Chemical Equations. CO (g) + 2H 2(g) ? CH 3 OH (l) 1 molecule of CO + 2 molecules of H 2 ? one molecule of CH 3 OH

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Types of Reactions and Balancing Equations

Types of Reactions and Balancing Equations. Review Notes Part 1. Subscripts and Coefficients Give Different Information. Subscripts tell the number of atoms of each element in a molecule. Subscripts and Coefficients Give Different Information.

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CHEMISTRY YEAR 9-10

CHEMISTRY YEAR 9-10. Writing and Balancing Equations. Writing and Balancing Equations. A chemical equation is a shorthand expression for a chemical change or reaction. word - equation : states in words mercury (II) oxide + heat mercury + oxygen bulky and cumbersome 2 HgO 2Hg + O 2.

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CHEMISTRY YEAR 9-10

CHEMISTRY YEAR 9-10. Writing and Balancing Equations. Writing and Balancing Equations. A chemical equation is a shorthand expression for a chemical change or reaction. word - equation : states in words mercury (II) oxide + heat mercury + oxygen bulky and cumbersome 2 HgO 2Hg + O 2.

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New page in journal 1/16/13 10.1 The Mole Add to TOC On your 3x5 Card name above top line

New page in journal 1/16/13 10.1 The Mole Add to TOC On your 3x5 Card name above top line number the next 6 lines 1 through 6. How many is a pair? How many is a dozen? How many is a score? How many is a gross? How much is a bushel? How many is a ream?. pair = 2 dozen = 12

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Balancing Chemical Equations

UNIT 7-CHEMICAL REACTIONS:. Balancing Chemical Equations. Law of Conservation of Mass:. In a chemical reaction mass is neither created nor destroyed. total mass stays the same. atoms can only rearrange. 36 g. 4 g. 32 g. Examples. NaCl ? Na + Cl 2 40 g 15g + _____.

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Balancing equations using oxidation numbers

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Chemical Formulas Chemical Equations

Chemical Formulas Chemical Equations. Chemical Formulas. Chemical Formulas are used as a short hand way of describing the atoms that make up a molecule or compound Chemical Formulas show two things: Types of atoms (element symbol) Number of each type of atom in a compound (subscript). CCl 4

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Elements and Compounds

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Chapter 24

Chapter 24. Chemical Reactions. In a chemical Reaction . . . Reactants. Products. New substances produced. Substances reacting. Any state of matter Follow law of conservation of mass Example: Which are the reactants? Which are the products? NaCl ? Na + + Cl - 2HgO? O 2 + 2Hg

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Balancing Equations

Balancing Equations. H 2 + Cl 2 ? HCl. Balancing Equations. KI + Br 2 ? KBr + I 2. Balancing Equations. CH 4 + O 2 ? CO 2 + H 2 O. Balancing Equations. V 2 O 5 + Ca ? V + CaO. Balancing Equations. NaCl + F 2 ? NaF + Cl 2. Using Mole Ratios.

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Balancing equations

Balancing equations.

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Balancing Chemical Equations

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