Chapter 11 Review “Chemical Reactions”
Chapter 11 Review “Chemical Reactions” Chapter 11 Review What is true about the decomposition of a simple binary compound? Balance: _Fe + _Cl2 → _FeCl3 In a combustion reaction, one of the reactants is ____. Chapter 11 Review Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) is an example of what type of reaction? Which set of symbols and explanations is correct: a) (g), grams, or b) (aq), dissolved in water, or c) (s), solid product? A catalyst is ____ in a reaction. Chapter 11 Review Write the following as a balanced equation: nitrogen trifluoride → nitrogen + fluorine The symbol ↔ indicates that ____. Write the skeleton equation for the reaction that takes place when solid phosphorus combines with oxygen gas to form solid diphosphorus pentoxide. Chapter 11 Review What must be true in order for this reaction to occur? 2Al + 6HCl → 2AlCl3 + 3H2 does the symbol Δ in a chemical equation mean? In a double-replacement reaction, the reactants are ___. What Chapter 11 Review Balance the following equation: _Mg(s) + _HCl(aq) → _MgCl2(aq) + _H2(g) Which of the following is a balanced equation representing the decomposition of lead (IV) oxide: a) PbO2 → Pb + 2O, or b) PbO2 → Pb + O2? A skeleton equation does NOT show ____. Chapter 11 Review What type of reaction is: H3PO4 + 3KOH → K3PO4 + 3H2O? Write the balanced equation for the reaction: potassium hydroxide + barium chloride → potassium chloride + barium hydroxide. Write the balanced equation for the incomplete combustion of heptene, C7H14. (with carbon monoxide as one product) Chapter 11 Review Write the balanced equation for: _Cr(s) + _Fe(NO3)2(aq) → _Fe(s) + _Cr(NO3)3(aq) Chemical equations must be balanced to satisfy ____. Chapter 11 Review Write the balanced chemical equation for the reaction between bromine and sodium iodide. Balance: N2 + H2 → NH3 Which is true about single replacement reactions: a) any metal can replace any other metal, or b) two reactants produce two products? Chapter 11 Review What are the expected product’s formulas when Na2CO3(aq) reacts with Sn(NO3)2(aq)? The type of reaction that takes place when one element reacts with a compound to form a new compound and a different element is a ____. Chapter 11 Review In a balanced chemical equation, each side of the equation has the same number of ____. Predict the products and balance: RbOH + H3PO4 → Can all chemical reactions be classified as one of six general types? Chapter 11 Review Balance the following equation: AlCl3 + NaOH → Al(OH)3 + NaCl The products of a combustion reaction do NOT include: a) water, or b) hydrogen? What is the driving force for this reaction: Ni(NO3)2(aq) + K2S(aq) → NiS(s) + 2KNO3(aq)? Chapter 11 Review Balance the following reaction: KClO3(s) → KCl(s) + O2(g) What type of reaction is: 2C3H7OH + 9O2 → 6CO2 + 8H2O In the equation: H2O2(aq) → H2O(l) + O2(g), the O2 is a ____. Chapter 11 Review Balance the following equation: Al2(SO4)3(aq) + KOH(aq) → Al(OH)3(aq) + K2SO4(aq) If a combination reaction takes place between rubidium and bromine, the chemical formula for the product is __. Predict the formula of the products of the reaction between aqueous cobalt (III) chloride and aqueous lithium hydroxide. Chapter 11 Review When the equation for the complete combustion of one mole of C3H7OH is balanced, the coefficient for oxygen is ____. Predict the products for the single replacement reaction: Ag(s) + KNO3(aq) → Chapter 11 Review The complete combustion of which of these substances will produce carbon dioxide and water: a) C8H18, or b) K2CO3? In the activity series of metals, which metal(s) will displace hydrogen from an acid? Chapter 11 Review In order to predict whether or not a single-replacement reaction takes place, you need to consult a chart that shows the ____. Which of the following is NOT true about what happens in all chemical reactions: a) the starting substances are called reactants, or b) new atoms are formed as products. Chapter 11 Review What type of reaction is the following: 2Fe + 3Cl2 → 2FeCl3? In a double-replacement reaction, the reactants are generally ____. Which of the following is NOT true about double-replacement reactions: a) the product may be a gas, or b) the reactant may be a solid metal? Chapter 11 Review Chemical equations describe ____.