Chemistry 11 Unit 1 Test Review Solutions

Unit 1: Naming Review 1 (1.1 – 1.5) Write the chemical name for the given formula. Classify the compound as an Acid, Base, Hydrate, Ionic, or Covalent Compound FORMULA 1) Fe(CN)3 TYPE NAME 3) AuF3 I I 4) N2O C iron (III) cyanide potassium carbide gold (III) fluoride dinitrogen monoxide 5) Ag3N I Silver (I) nitride 6) CF4 C carbon tetrafluoride 7) MgI2 I magnesium iodide 8) NiO2 I nickel (IV) oxide 9) P2S5 C diphosphorus pentasulfide 10) SnSe2 I tin (IV) selenide 11) RbBr I 12) Ca3(PO4)2 I rubidium bromide calcium phosphate 13) NiF3 I Nickle (III) fluoride 14) Sn(NO3)4 I tin (IV) nitrate 15) Fe(C2H3O2)3 I iron (III) acetate 16) K3P I potassium phosphide 17) N2O3 C dinitrogen trioxide 18) Cu(NO2)2 I copper (II) nitrite 19) H3PO4 (aq) A phosphoric acid 20) HBr (aq) A Hydrobromic Acid 2) K4C I Unit 1: Naming Review 2 (1.1 – 1.5) Write the chemical formula for the given name. Classify the compound as an Acid, Base, Hydrate, Ionic, or Covalent Compound NAME 1) tricarbon octafluoride TYPE C FORMULA C3F8 2) Lithium acetate I LiC2H3O2 3) iron (II) arsenide I Fe3As2 4) titanium (IV) acetate I Ti(C2H3O2)4 5) gallium sulfide I Ga2S3 6) ammonium carbide I (NH4)4C 7) ruthenium (II) nitrate I Ru(NO3)2 8) copper (I) oxide I Cu2O 9) potassium hydroxide B KOH 10) sodium phosphate I Na3PO4 11) lithium bromide I LiBr 12) beryllium nitride I Be3N2 13) carbon tetrachloride C CCl4 14) dihydrogen monoxide C H2O 15) copper (I) phosphate I Cu3PO4 16) magnesium sulfate heptahydrate H MgSO4 ∙ 7H2O 17) lead (II) phosphate I Pb3(PO4)2 18) diselenium diiodide C Se2I2 19) Hydrosulphuric Acid A H2S 20) Chlorous Acid A HCLO2 Unit 1: Balancing Reactions Review (1.6) Unit 1: Reaction Types Review (1.7) Balance the following reactions and list the type of reaction taking place: Synthesis, Decomposition, Single Replacement, Double Replacement, Neutralization, or Combustion Unit 1: Reaction Types Review (1.7) – Predicating Products Using the different types of reactions (Synthesis, Decomposition, Single Replacement, Double Replacement, Neutralization, and Combustion) predict the products and balance the equation 1) _1_ H3PO4 + _3_ KOH → _1_ K3PO4 + _3_ H2O Type of Reaction: Neutralization 2) _6_ K + _1_ B2O3 → _3_ K2O + _2_ B Type of Reaction: Single Replacement 3) _1_ HCl + _1_ NaOH → _1_ NaCl + _1_ H2O Type of Reaction: Neutralization 4) _4_ C + _1_ S8 → _4_ CS2 Type of Reaction: Synthesis 5) _4_ Na + _1_ O2 → _2_ Na2O Type of Reaction: Synthesis 6) _2_ H3PO4 + _3_ Mg(OH)2 → _1_ Mg3(PO4)2 + _6_ H2O Type of Reaction: Neutrilization Unit 1: Energy Changes Review (1.8) 1. Draw a diagram of an endothermic reaction. Label the Reactant, Products, Enthalpy Change (∆H), and Activation Energy (Ea) 2. Draw a diagram of an exothermic reaction. Label the Reactant, Products, Enthalpy Change (∆H), and Activation Energy (Ea) 3. Is ΔH positive or negative in an exothermic reaction? Answer: NEGATIVE___ 4. Is ΔH positive or negative in an endothermic reaction? Answer: POSITIVE____ 5. List the following Reactions as Exothermic or Endothermic: a. 2H2O2(l) → 2H2O(l) + O2(g) + 200kJ Answer: ____Exothermic___ b. Mn(s) + 2 HCl(aq) → MnCl2(aq) + H2(g) + 221 kJ Answer: ____Exothermic___ c. 2 N2O5 (g) + 110 kJ → 4NO2(g) + O2(g) Answer: ___Endothermic__ d. P4O10(g) + 6H2O(l) → 4 H3PO4(aq) + 424 kJ Answer: ____Exothermic___