Classify each compound as Ionic (I), Covalent (C), or Acid (A). Write the names or formulas for each compound. Name Type Formula Name Type Formula

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1 South Pasadena Chemistry Name Period Date U N I T 6 C O M P O U N D S Consider the compound Ba(NO 3) 2. Classify: [ Ionic Covalent Acid Organic ] Name the compound: Calculate the Molar Mass. Consider the compound N 2O 5. Classify: [ Ionic Covalent Acid Organic ] Name the compound: Calculate the Molar Mass. Calculate the percent O in Ba(NO 3) 2. Calculate the percent O in N 2O 5. What is the mass of 0.46 mol Ba(NO 3) 2 How many molecules of N 2O 5 are in a 19.5 L sample at STP? U N I T 6 N A M I N G C O M P O U N D S Classify each compound as Ionic (I), Covalent (C), or Acid (A). Write the names or formulas for each compound. Name Type Formula Name Type Formula Calcium chlorate PCl 5 Hydrochloric acid (NH 4) 2S Stannic dichromate Fe 3(PO 4) 2 Dinitrogen monoxide H 2CO 3 Lead acetate Na 2SO 4

2 U N I T 7 L E W I S S T R U C T U R E S Draw the electron dot structures for the following species, and write the number of valence electrons: C S 2 P Mg 2+ Draw the Lewis dot structures for the following compounds. Indicate the type of bond between atoms, whether the molecule is polar or non-polar, and what kind of Inter-molecular Forces are found. Compound CO 2 NH 3 CH 4 Lewis Structure Non-Polar Covalent or Polar Covalent Bonds Non-polar or Polar Molecules Inter-Molecular Forces U N I T 7 B O N D I N G A N D S O L I D S Identify each of the following descriptions as Ionic Bond (I), Covalent Bond (C), or Metallic Bond (M). Between a metal and non-metal Between two non-metal atoms Between Zn and Cu Electrons transferred between atoms Between two metal atoms Electrons shared between atoms Between C and O Attraction between oppositely charged ions Between Na and F Identify each of the following descriptions as an Ionic Solid (Ion), Molecular Solid (Mol), Network Covalent Solid (Net), or Metallic Solid (Met). Conducts electricity when dissolved in water. Brass (s) Graphite Have low melting and boiling points. MgCl 2 (s) Zinc (s) Conducts electricity as a solid. Positive ions in a sea of electrons Contains only covalent bonds. Malleable and ductile. P 4O 10 (s) Has London dispersion forces.

3 U N I T 8 N A M I N G O R G A N I C C O M P O U N D S Fill in this chart of formulas and names of hydrocarbons: C 3H 8 C 5H 10 C 4H 6 nonene hexane What is the name of this hydrocarbon? Draw the molecule for 2,3,3-trimethyloctane. Name the following compound: Draw all the isomers for the compound on the left. (There are three.) U N I T 8 F U N C T I O N A L G R O U P S Label these pictures with the type of functional group: Look at the carboxylic acid and the alcohol molecules. (1) Label these two molecules as alcohol and carboxylic acid. (2) Draw a BOX around the atoms that will form H 2O. (3) Draw the products that form. (4) When they react, they form an.

4 U N I T 8 C O N C E N T R A T I O N S Consider a solution of Ba(OH) 2. Show your work for each of the following. Calculate the concentration when 0.25 mol Ba(OH) 2 is used to prepare a 120 ml solution. Calculate the volume of a 1.20 M solution if g Ba(OH) 2 is dissolved. How many ml of a 3.0 M Ba(OH) 2 solution is required to prepare a 40.0 ml sample of 0.20 M solution? Write the equation for how Ba(OH) 2 dissolves in water. U N I T 9 A C I D S / B A S E S Match the terms with the following statements. Each term may be used once, more than once, or not at all. a) acid b) base c) both acid and base d) neither acid nor base 1. ph = 5 2. tastes bitter 3. electrolyte 4. vinegar, HC 2H 3O 2 5. increases [OH ] 6. neutralizes NaOH 7. feel slippery 8. Na 2SO 4 9. milk of magnesia, Mg(OH) alkaline 11. tastes sour 12. turns cabbage juice blue, green, or yellow 13. household ammonia 14. ph = can burn your skin 16. high ph A 1.0 x 10-4 M solution of HCl has a ph of and a poh of.

5 Potential Energy (kj) U N I T 1 0 R E A C T I O N S For each type reaction, classify it, write the products (if needed), and balance it. Combustion (C) Synthesis (S) Decomposition (D) Single Replacement (SR) Double Replacement (DR) C 2H 5OH + O 2 Zn + AgNO 3 Na + O 2 Na 2O KClO 3 KCl + O 2 Ag 2SO 4 + AlBr 3 Balance the equation: Al + HCl H 2 + AlBr 3 In the reaction above, is oxidized from to, and is reduced from to. Write the half reactions. Oxidation half reaction: Reduction half reaction: What is the volume at STP of H 2 that is produced if 30.5 g of Al reacts completely? Consider the reaction: 2 H 2O 2 (l) 2 H 2O (l) + O 2 (g) H f (kj/mol): Calculate total H f of reactants: total H f of products: Calculate the value of H rxn: The reaction is [ endothermic exothermic ] Graph the reaction profile if H f of the transition state is 150 kj/mol. Label the E a and H rxn. What is the value of E a? U N I T 1 1 R E A C T I O N E N E R G Y A catalyst is added and the transition state is now 300 kj/mol. Sketch the new curve using a dashed line. Calculate the value of the E a and H rxn with the catalyst. Calculate the value of H rxn using bond energies. Structures: H O O H H O H O=O Bond O O H O O=O Bond Energy 146 kj/mol 467 kj/mol 495 kj/mol

6 concentration (M) U N I T 1 2 E Q U I L I B R I U M Consider the equilibrium process, 2 O 3 3 O 2. A sample of O 3 (g) was placed in a 1.0 L container at a particular temperature. The plot of the concentrations over time was made [O 2] At what time was equilibrium established? How do we know? [O 3] Write the expression for the K eq and find its value time (s) At equilibrium, this reaction is [ reactant-favored product-favored ] because: What is equal at equilibrium? Write the expression for the K eq for the following reaction: S 4 (s) + 12 F 2 (g) 4 SF 6 (g) U N I T 1 2 L E C H Â T E L I E R S P R I N C I P L E Given the equilibrium reaction below, indicate the direction of the shift and the change in concentration of each substance when each of the following stresses is placed on the system. 2 NO (g) + O 2 (g) 2 NO 2 (g) Given the equilibrium reaction below, list three stresses that would produce more SF 6 (g). heat + S 4 (s) + 12 F 2 (g) 4 SF 6 (g) Add NO 2 (g) Remove NO (g) Add O 2 (g) Add Ne (g) Decrease volume When the temperature of the system is lowered, more NO (g) is produced. Is the reaction endothermic or exothermic? Why?

Semester 2 Review U N I T 6 C O M P O U N D S U N I T 6 N A M I N G C O M P O U N D S. South Pasadena Chemistry Semester 2 Review Period Date

Semester 2 Review U N I T 6 C O M P O U N D S U N I T 6 N A M I N G C O M P O U N D S. South Pasadena Chemistry Semester 2 Review Period Date South Pasadena Chemistry Name Period Date U N I T 6 C O M P O U N D S Consider the compound Ba(NO 3) 2. Classify: [ Ionic Covalent Acid Organic ] Name the compound: barium nitrate Calculate the Molar Mass.