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Choose Your Category Oxidation Numbers Redox Reactions Balancing Chemical Reactions Reaction Types Note Type Questions Organic Questions 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Final Question Oxidation Numbers - 100 • The oxidation number of a monatomic ion is equal to _____________________ The Answer is the charge of the ion. Back Oxidation Numbers - 200 • What is the oxidation number of Cu. The Answer is 0. Back Random Points 200 points Oxidation Numbers - 300 • The most electronegative element on the periodic table has an oxidation number of ______________ when in a compound. The Answer is -1. Back Oxidation Numbers - 400 • Assign oxidation numbers to all the atoms in the following: • HClO The Answer is +1/+1/-2. Back Oxidation Numbers - 500 • Assign oxidation numbers to all the atoms in the following: • AlNO3 The Answer is +3/+3/-2. Back Redox Reactions – 100 • Any chemical change in which one species loses electrons and another species gains electrons is known as this. The Answer is a reduction – oxidation reaction or a redox reaction. Back Random Points 300 points Redox Reactions– 200 • This is defined as a chemical change in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons. The Answer is reduction. Back Redox Reactions – 300 • What element was reduced in the following reaction? • 2 HCl + Mg MgCl2 + H2 The Answer is H (it went from a +1 to a 0). Back Daily Double Redox Reactions – • • • • • 400 (peroxide) +2-2 +1+5-2 +2+6-2 +2-2 +1 -2 3BaS + 8HNO3 3 BaSO4 + 8NO + 4H2O What element was reduced? Nitrogen What element was oxidized? Sulfur What is the Reducing Agent? BaS What is the Oxidizing Agent? HNO3 Back Redox Reactions – 500 What is the reducing agent in the following reaction? +1+5-2 +1-1 +2-2 0 +1-2 HNO3 + HBr NO + Br2 + H2O The Answer is HBr Back Balancing Chemical Reactions - 100 • These are the only thing that can be used to balance chemical equations. The Answer is coefficients Back Balancing Chemical Reactions - 200 • Balance the following equation: ___ CaCO3(s) ___ CaO(s) + ___ CO2(g) The Answer is 1,1,1 Back Random Points 500 points Balancing Chemical Reactions - 300 • Balance the following equation: __ CaH2 + __ H2O __ Ca(OH)2 + __ H2 The Answer is 1,2,1,2 Back Balancing Chemical Reactions - 400 AlCl3(aq) + Ba(OH)2(aq) --> Al(OH)3(s) + BaCl2(aq) When this equation is correctly balanced, the coefficient of the AlCl3 will be — The Answer is 2 Back Balancing Chemical Reactions - 500 • Balance the following equation: __ C6H14 + __ O2 __ CO2 + __ H2O The Answer is 2, 19, 12, 14 Back Reaction Types - 100 • This type of reaction involves a hydrocarbon and oxygen making water and carbon dioxide. The Answer is combustion Back Reaction Types - 200 • Which reaction type best describes the reaction above? The Answer is single replacement. Back Random Points 100 points Reaction Types - 300 2 Fe + 3 Cl2 2 FeCl3 • Which reaction type best describes the reaction above? The Answer is synthesis. Back Daily Double Reaction Types - 400 • This type of reaction is shown in the following graphic: The Answer is decomposition Back Reaction Types - 500 H2SO4 + 2 NaOH Na2SO4 + 2 H2O • Which reaction type best describes the reaction above? The Answer is neutralization. Back Random Points 400 points Note Type Questions - 100 • This type of reaction involves a hydrocarbon and oxygen making water and carbon dioxide. The Answer is combustion Back Note Type Questions - 200 • If an atom is reduced in a redox reaction, what must happen to another atom in the system? The Answer is it must be oxidized. Back Note Type Questions - 300 • Chemical equations must be balanced to satisfy ___________________________ (multiple words). The Answer is the law of conservation of mass Back Note Type Questions - 400 • An element in the activity series can replace any element The Answer is below it on the list. Back Note Type Questions - 500 • An insoluble solid produced by a chemical reaction in solution is called The Answer is a precipitate. Back Organic Questions - 100 • A chemical reaction in which two or more molecules combine to produce water or another simple molecule. The Answer is condensation reaction. Back Organic Questions - 200 • An organic compound whose molecules are made up of one or two chains of nucleotides and carry genetic information. The Answer is nucleic acid. Back Organic Questions - 300 • Any one of 20 different organic molecules that contain a carboxyl and an amino group and that combine to form proteins The Answer is amino acid. Back Daily Double Organic Questions - 400 • What are the four nitrogenous bases used in DNA? The Answer is adenine, cytosine, thymine, and guanine (RNA uses uracil instead of thymine). Back Organic Questions - 500 • A chemical reaction between water and another substance to form two or more new substances. The Answer is hydrolysis. Back The Final Question • The final question has to deal with: »Balancing Chemical Reactions and Classifying Reactions from words Make your wager Balance the following equation and classify the type of reaction. • Tetracarbon decahydride and oxygen react together to make carbon dioxide and water. The Answer • 2 C4H10 + 13 O2 8 CO2 + 10 H2O • combustion