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Chapter 11 Review “Chemical Reactions”

Chapter 11 Review “Chemical Reactions”. Balance: _Fe + _Cl 2 → _FeCl 3 In a combustion reaction, one of the reactants is ____. Mg (s) + 2HCl (aq) → MgCl 2(aq) + H 2(g) is an example of what type of reaction?

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Chapter 11 Review “Chemical Reactions”

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  1. Chapter 11 Review“Chemical Reactions”

  2. Balance: _Fe + _Cl2→ _FeCl3 • In a combustion reaction, one of the reactants is ____.

  3. 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?

  4. 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.

  5. What must be true in order for this reaction to occur? 2Al + 6HCl → 2AlCl3 + 3H2 • What does the symbol Δ in a chemical equation mean? • In a double-replacement reaction, the reactants are ___.

  6. 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 ____.

  7. 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)

  8. Write the balanced equation for: _Cr(s) + _Fe(NO3)2(aq)→ _Fe(s) + _Cr(NO3)3(aq) • The product of a combination reaction is Ba(OH)2, which is a base. If one of the reactants is H2O, what is the other reactant?

  9. 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?

  10. 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 ____.

  11. In a balanced chemical equation, each side of the equation has the same number of ____. • Predict the products and balance: RbOH + H3PO4→

  12. 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 net ionic rxn for this reaction: Ni(NO3)2(aq) + K2S(aq) → NiS(s) + 2KNO3(aq)?

  13. Balance the following reaction: KClO3(s)→KCl(s) + O2(g) • What type of reaction is: 2C3H7OH + 9O2 → 6CO2 + 8H2O

  14. 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.

  15. 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) →

  16. 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?

  17. 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.

  18. 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?

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