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Great and Glorious Test Day
Starter S-105 Test Day Great and Glorious Test Day Yahoo Yipee Yah
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Starter S-101 What is the chemical formula for Hydrochloric Acid
Nitrogen Dioxide Iron (II) Phosphate
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Chapter 11 Chemical Reactions
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11.1 Describing Chemical Reactions
Chapter 11 11.1 Describing Chemical Reactions
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11.1 Describing Chemical Reactions
Writing Chemical Reactions Word Equations – gives the names of compounds and elements in the equation reactants products Reactants – compounds and elements before the reaction Products – compounds and elements after the reaction
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11.1 Describing Chemical Reactions
Different compounds, or elements are separated by a plus sign Copper + Oxygen Copper (II) Oxide These are often converted from descriptions of the reaction
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11.1 Describing Chemical Reactions
When antiseptic hydrogen peroxide is put in an open cut bubbles of oxygen form rapidly. Water is also produced. Reaction – reactants hydrogen peroxide
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11.1 Describing Chemical Reactions
When antiseptic hydrogen peroxide in an open cut bubbles of oxygen from rapidly. Water is also produced. Reaction – products hydrogen peroxide
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11.1 Describing Chemical Reactions
When antiseptic hydrogen peroxide in an open cut bubbles of oxygen from rapidly. Water is also produced. Reaction – products hydrogen peroxide oxygen + water
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11.1 Describing Chemical Reactions
When a stove burner is lit, methane gas reacts with oxygen to form carbon dioxide and water. Reaction – reactants methane gas + oxygen
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11.1 Describing Chemical Reactions
When a stove burner is lit, methane gas reacts with oxygen to carbon dioxide and water. Reaction – products methane gas + oxygen
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11.1 Describing Chemical Reactions
When a stove burner is lit, methane gas reacts with oxygen to carbon dioxide and water. Reaction – products methane gas + oxygen carbon dioxide + water
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11.1 Describing Chemical Reactions
Chemical Equations – replace the names of compounds and elements with the chemical formula hydrogen peroxide oxygen + water H2O2 O2 + H2O Remember diatomic elements
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11.1 Describing Chemical Reactions
methane gas + oxygen carbon dioxide + water CH4 + O2 CO2 + H2O
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11.1 Describing Chemical Reactions
Usually the state of each compound or element is given beside the formula CH4(g)+ O2(g) CO2(g) + H2O(g) Solid (s) Liquid (l) Gas (g) Aqueous (aq)
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Starter S-102 When solutions of potassium iodide and
lead (II) nitrate are mixed in a beaker, a brilliant yellow solid is formed. This solid when analyzed turns out to be lead (II) iodide. Further analysis shows that potassium nitrate is now dissolved in the water. Write the word equation. Write the chemical equation
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Starter S-106 A chunk of iron is placed in a solution of hydrochloric acid. A gas bubbles out of the solution that is tested and found to be hydrogen. The solution left in the test tube is iron (III) chloride.
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Starter S-107 Water is placed in a test tube and zapped with electricity. Two gases are produced. One makes a glowing wooden split light up, so it is oxygen. The other causes a small explosion when a burning wooden splint is placed in it, so it is hydrogen.
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11.1 Describing Chemical Reactions
Balancing Chemical Equations – both sides of a chemical equation have the same number of each atom Mass is conserved Balancing Demo
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11.1 Describing Chemical Reactions
Example Al + O2 Al2O3 1. Write elements on each side and how many of each are present
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11.1 Describing Chemical Reactions
Example Al + O2 Al2O3 Al – 1 Al – 2 O – 2 O – 3 2. Add one element at a time to the side that doesn’t have enough
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11.1 Describing Chemical Reactions
Al + O2 Al2O3 Al – 2 Al – 2 O – 2 O – 3
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11.1 Describing Chemical Reactions
Al O2 Al + O2 Al2O3 Al – 2 Al – 2 O – 4 O – 3
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11.1 Describing Chemical Reactions
Al O2 Al2O3 Al + O2 Al2O3 Al – 2 Al – 4 O – 4 O – 6
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11.1 Describing Chemical Reactions
Al,Al,Al O2 Al2O3 Al + O2 Al2O3 Al – 4 Al – 4 O – 4 O – 6
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11.1 Describing Chemical Reactions
Al,Al,Al O2,O2 Al2O3 Al + O2 Al2O3 Al – 4 Al – 4 O – 6 O – 6 Balanced 3. Count the number of each compound or element – write a coefficient for each
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11.1 Describing Chemical Reactions
4Al + 3O2 2Al2O3
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11.1 Describing Chemical Reactions
Balance the following equations Cu + AgNO3 Cu(NO3)2 + Ag
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + NaOH Fe(OH)3 + NaCl
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + 3NaOH Fe(OH)3 + 3NaCl CS2 + Cl2 CCl4 + S2Cl2
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + 3NaOH Fe(OH)3 + 3NaCl CS2 + 3Cl2 CCl4 + S2Cl2 AgNO3 + H2S Ag2S + HNO3
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + 3NaOH Fe(OH)3 + 3NaCl CS2 + 3Cl2 CCl4 + S2Cl2 2AgNO3 + H2S Ag2S + 2HNO3 Zn(OH)2 + H3PO4 Zn3(PO4)2 + H2O
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + 3NaOH Fe(OH)3 + 3NaCl CS2 + 3Cl2 CCl4 + S2Cl2 2AgNO3 + H2S Ag2S + 2HNO3 3Zn(OH)2 + 2H3PO4 Zn3(PO4)2 + 6H2O Fe2O3 + H2 Fe + H2O
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11.1 Describing Chemical Reactions
Balance the following equations Cu + 2AgNO3 Cu(NO3)2 + 2Ag FeCl3 + 3NaOH Fe(OH)3 + 3NaCl CS2 + 3Cl2 CCl4 + S2Cl2 2AgNO3 + H2S Ag2S + 2HNO3 3Zn(OH)2 + 2H3PO4 Zn3(PO4)2 + 6H2O Fe2O3 + 3H2 2Fe + 3H2O
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Starter S-107 Balance C6H6 + O2 CO2 + H2O CH3CH2OH + O2 CO2 + H2O
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11.2 Types of Chemical Reactions
Chapter 11 11.2 Types of Chemical Reactions
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions You will need to know and predict the product for 6 types of chemical reactions Synthesis Form Example Synthesis
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions 2. Decomposition Form Example Decomposition
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions 3. Single Replacement Reaction Form Example For metals, the reactions occurs if the metal is more reactive than the the one in the compound Single
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions 4. Double Replacement Reaction Form Example Double
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions 5. Combustion Reaction Form Example Combustion
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions 6. Acid/Base Neutralization Reaction Form Example The substance AB is called a Chemical Salt Acid Base
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reactions are predicted based on recognizing forms.
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Starter S-110 What type of reaction is this? CaCl2 + Pb(NO3)2
Write the complete balanced equation
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Objective I can perceive and predict products for at least six different types of chemical reactions.
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction AgNO3 + NaCl Type: Double Replacement Products: AgNO3 + NaCl AgCl + NaNO3 Balanced:
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction Pb + AgNO3 Type: Single Replacement Products: Pb + AgNO3 Ag + Pb(NO3)2 Balanced: Pb + 2AgNO3 2Ag + Pb(NO3)2
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction FeCl3 + KOH Type: Double Replacement Products: FeCl3 + KOH Fe(OH)3 + KCl Balanced: FeCl3 + 3KOH Fe(OH)3 + 3KCl
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction NaOH + H2SO4 Type: Acid Base Neutralization Products: NaOH + H2SO4 Na2SO4 + H2O Balanced: 2NaOH + H2SO4 Na2SO4 + 2H2O
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction C2H8 + O2 Type: Combustion Products: C2H8 + O2 CO2 + H2O Balanced: C2H8 + 4O2 2CO2 + 4H2O
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction NH3 Type: Decomposition Products: NH3 N2 + H2 Balanced: 2NH3 N2 + 3H2
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction Bi(NO3)3 + H2S Type: Double Replacement Products: Bi(NO3)3 + H2S Bi2S3 + HNO3 Balanced: 2Bi(NO3)3 + 3H2S Bi2S3 + 6HNO3
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11.2 Type of Chemical Reactions
11.2 Types of Chemical Reactions Reaction Ca + F2 Type: Synthesis Products: Ca + F2 CaF2 Balanced:
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Starter S-112 What type of reaction is C2H5OH + O2
Write and balance the reaction
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11.3 Reactions in Aqueous Solutions
Chapter 11 11.3 Reactions in Aqueous Solutions
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution Many reactions take place in water – aqueous For example, the reaction of Silver Nitrate and Sodium Chloride But in a solution, most ionic compounds have dissociated to form ions
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution That is they are really in this form This is called the Complete Ionic Equation Notice – the solid is not broken into ions, only what is in solution
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution Look carefully at the equation There are Na+ and NO3- ions that stay the same These are called Spectator Ions A Net Ionic Equation shows only ions that actually do something in a reaction
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution Net Ionic Equation Try this one
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution Practice Equation Compete Ionic Equations Net Ionic Equation
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Starter S-113 Write the complete ionic and net ionic equations for
Fe(NO3)3(aq) + 3NaOH(aq) Fe(OH)3(s) + 3NaNO3(aq) Complete Ionic Fe+3(aq)+3NO3-(aq) + 3Na+(aq)+3OH-(aq) Fe(OH)3(s)+ 3Na+(aq)+3NO3-(aq) Net Ionic Fe+3(aq)+3OH-(aq) Fe(OH)3(s)
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Starter S-115 A. Write the complete ionic and net ionic equations for
Cu(s) + AgNO3(aq) Ag(s) + Cu(NO3)2(aq) random squirrel with light saber
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Practice
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution Precipitate – separates from a solution as a solid Predicted using a solubility chart In the reaction Is either product a solid? Chart
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution AgCl – insoluble NaNO3
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution AgCl – insoluble - solid NaNO3
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution AgCl – insoluble - solid NaNO3 – soluble
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11.2 Type of Chemical Reactions
11.3 Reactions in Aqueous Solution AgCl – insoluble - solid NaNO3 – soluble - aqueous
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Starter S-115 A. Write the complete ionic and net ionic equations for
Cu(s) + AgNO3(aq) Ag(s) + Cu(NO3)2(aq) B. Which of the following are soluble Cu(OH)2 Mg(NO3)2 AgCl random squirrel with light saber
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Starter S-117 Predict the products of the following reaction. Determine the correct states for the products AgNO3(aq) + NaCl(aq)
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Starter S-117 Test
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Starter S-119 Predict the products of the following reaction. Determine the correct states for the products KOH + Mg(NO3)2
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Starter S-120 Predict the products of the following reaction. Determine the correct states for the products Cu(NO3)2 + Fe(OH)3
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Starter S-122 How would you identify the following aqueous solutions? Name a simple test. AgNO3 H2SO4 KOH Cu(NO3)2 CoCl2
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Starter S-122 If 12.0 g of AgCl react What is the molar mass of AgCl?
How many moles of AgCl are present as a reactant? Silver chloride precipitate
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