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$$$ Review $$$ Chemical Rxns (Ch. 11) Mole (Ch. 10)
It is a list of metals in order of decreasing reactivity. What reaction is it used for? Activity series, single replacement
What does the symbol mean? heat
What does the symbol (aq) stand for? aqueous
Equation that indicates only the particles that take part in a reaction. net ionic equation
Equation that shows dissolved ionic compounds as free ions. complete ionic equation
What is the generic formula for a combustion reaction? Fuel + O 2 -- CO 2 + H 2 O (If you had to, could you just be given the reactants and predict the correct products)
What is the generic formula for a single replacement reaction? A + BC --- AC + B (If you had to, could you just be given the reactants and predict the correct products)
What does aqueous mean? Dissolved in water
What is the symbol for a reversible reaction?
What is the generic formula for a synthesis (combination) reaction. A + B -- AB (If you had to, could you just be given the reactants and predict the correct products)
What is the generic formula for a double replacement reaction? AB + CD --- AD + CB (If you had to, could you just be given the reactants and predict the correct products )
True or False. In a double replacement reaction the reactants are usually two ionic compounds dissolved in water. True
What are the products of a combustion reaction? Carbon dioxide and water
What is the element that is usually a reactant in combustion reaction? O 2, oxygen gas
What is the generic formula of a decomposition reaction? AB ---- A + B
It speeds up a reaction by lowering activation energy. catalyst
Is it OK to change the coefficients when balancing a chemical equation? Yes
Is it OK to change the subscripts when balancing a chemical equation? No
Chemical equations must be balanced to satisfy _____ the law of conservation of mass
What is Avogadros number? 6.02 x 10 23 particles per mole
What are the two main parts of a chemical reaction? Reactants and Products
What is a precipitate? A solid that forms during a chemical reaction
The unit that relates grams, molecules, and liters of gas? mole
What is STP? 0 o C, 1.0 atm
Balance the following equation. Fe + Cl 2 -- FeCl 3 2, 3, 2
Balance the following equation. SF 4 + H 2 O -- SO 2 + HF 1, 2, 1, 4
What conversion factor must be utilized to convert between moles and molecules/molecules and moles ? 6.02 x 10 23 molecules/mol
Balance the following equation. SO 2 + S 2 Cl 2 + Cl 2 -- SOCl 2 2, 1, 3, 4
Balance the following equation. SrO + C -- SrC 2 + CO 1, 3, 1, 1
Balance the following equation. I 2 O 5 + F 2 -- I F 5 + O 2 2, 10, 4, 5
What conversion factor must be utilized to convert between moles and liters/liters and moles ? 22.4 L/mol, if at STP
Balance the following equation. CH 3 OH + Na -- NaOCH 3 + H 2 2, 2, 2, 1
Balance the following equation. B 2 H 6 + Cl 2 -- BCl 3 + HCl 1, 6, 2, 6
What conversion factor must be utilized to convert between moles and grams/grams and moles ? Molar mass
Balance the following equation. NH 3 + Br 2 -- N 2 + NH 4 Br 8, 3, 1, 6
Balance the following equation. NH 3 + Br 2 -- N 2 + NH 4 Br 8, 3, 1, 6
Ch. 8 – Chemical Equations & Reactions Define a Chemical Reaction Comprised of symbols and formulas that represent the reactant & products of the chemical.
Chemical Reactions. In a chemical reaction: there is a change in the way atoms are joined together there is a change in the way atoms are joined together.
CHEMICAL REACTIONS. Chemical Reactions A process by which the atoms of one or more substances are rearranged to form different substances A process by.
Chemical Reactions. In a chemical reaction, atoms are rearranged to form new compounds. The starting substances = reactants Ending substances = products.
Chemical Reactions Vocabulary. catalyst A ___ is used to start or speed up a reaction.
CHEMICAL REACTIONS CHAPTER 11. WHAT ARE THE PARTS OF A CHEMICAL REACTION? 1.REACTANTS 2.PRODUCTS 3. YIELD; SEPARATES THE REACTANTS FROM THE PRODUCTS.
Chapter 4 Chemical Reactions Chemistry B11 Chemical Reactions Chemical change = Chemical reaction Substance(s) is used up (disappear) New substance(s)
Chapter 8 Chemical Reactions.
Chapter 7 Balancing Chemical Equations Chemical Reaction Describes chemical reaction. Describes chemical reaction. Chemical equation: reactants yield.
Writing and Balancing Equations. Chemical Reactions A chemical reaction is the process by which one or more substances are changed into different substances.
Chemical Equations and Reactions. Some Definitions Chemical reaction = The process by which one or more substances are changed into one or more different.
Types of Chemical Reactions
William L Masterton Cecile N. Hurley Edward J. Neth University of Connecticut Chapter 3 Mass Relations.
Reactions and Equations. Chemical Reaction - One or more substances change into one or more new substances.
BALANCING EQUATIONS & CHEMICAL REACTIONS.
Symbolic notation used by chemists to represent a chemical reaction. Chemical Equation.
Chapter 10 Chemical Reactions. Reactions and Equations A chemical reaction is the process by which the atoms of one or more substances are rearranged.
Parts of an Equation Types of Reactions
Chemical Reactions. Chemical reaction Process by which atoms of one or more substances are rearranged to form different substances General Rule’s to determine.
Chapter 11 Chemical Reactions. Word Equations Reactants Products Law of conservation of mass Iron + oxygen iron(III) oxide Hydrogen peroxide.
Mass is never created or destroyed-ALL must be conserved and accounted for during a chemical reaction The same number of atoms of reactant elements.
In a chemical reaction, one or more substances change into new/different substances According to the Law of Conservation of Mass a skeleton chemical.
CHAPTER Chemical Reactions. Writing Chemical Equations A chemical reaction occurs when matter changes from one composition to another.
Classifying Chemical Reactions Objectives: 1. Name 4 general types of chemical reactions. 2. Describe each of the four types of chemical reactions. Key.
Do Now: What is a chemical reaction? What is a reactant? What is a product? Why do substances react with each other?
Unit 5 Reactions and Stoichiometry Chemistry. Ch 11 Describing Chemical Reactions Introduction to Chemical Equations ALL chemical reactions follow 2 laws!
REACTANTS PRODUCTS 1. Starting substances (reactants) becomes new substances (products). 2. Bonds are broken and new bonds are formed, but atoms.
Chapter 11: Chemical Reacitons
Mole. Moles How a chemist measures the amount of matter in a substance counting unit - number of molecules ; atoms ; particles MOLE TRIANGLE MOLES Grams.
Chemical Equations & Reactions
Classifying Chemical Reactions Chapter 9. Chemical Reaction - A process in which the physical and chemical properties of the original substances change.
Dstreib:Stoichiometry,adapted with permission from Dr. Cotton. Types of Chemical Reactions OBJECTIVES: –Identify a reaction as combination, decomposition,
Chemical Reactions 1.Types of Reactions 2.Indications of Reactions 3.Relevance of Chemical Equations.
UNIT 12: CLASSIFICATION OF CHEMICAL REACTIONS 1. Chemical Reactions a process that involves changes in the structure and energy content of atoms, molecules,
Reactions Conservation of Matter, Stoichiometry, and Moles.
Principles of Chemistry and Physics. Chemical Reactions When one or more substances (reactants) are changed into one or more new substances (products),
Stoichiometry: Calculations with Chemical Formulas and Equations
Chemistry Chapter 8 & 10 Chemical Reactions and Energy World of Chemistry Zumdahl Last revision Fall 2009.
Indicators of a chemical reaction- Color change Producing a gas Heat/light energy released Formation of a precipitate.
A _________ is a substance that speeds up a chemical reaction without being permanently consumed in the reaction. catalyst.
1 Section 8.1 Describing Chemical Change l OBJECTIVES: –Write equations describing chemical reactions, using appropriate symbols.
Indicators of chemical reactions Formation of a gas Emission of light or heat Formation of a precipitate Color change Emission of odor.
Chemical Reactions and Equations Reactants →Products Reactants are starting materials and are shown at left of arrow Products are final materials and are.
Chapter 8 Chemical Equations and Reactions. 8-1: Describing Chemical Reactions A. Indications of a Chemical Reaction 1)Evolution of energy as heat and.
CHAPTER 8 CHEMICAL EQUATIONS The Chemical Equation is a shorthand expression for a chemical change or reaction.
Chemical Reactions What is Chemical Change?. Standards SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition.
Stoichiometry. Chemical Equations Short hand way to represent chemical reactions H 2 + Cl 2 → HCl Symbols + = reacts with → = produces, yields Δ = adding.
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