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Exam 2 Study Guide (Chem 1030)

by: Carter Johnson

Exam 2 Study Guide (Chem 1030) Chem 1030

Marketplace > Auburn University > Chemistry > Chem 1030 > Exam 2 Study Guide Chem 1030
Carter Johnson

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About this Document

Includes practice questions/ problems from chapter 5 and 6 for the upcoming test.
Fundamental Chemistry I
Dr. Lynn Mandeltort
Study Guide
Study Guide, auburn, CHEM 1030, Chemistry, Test 2
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This 3 page Study Guide was uploaded by Carter Johnson on Wednesday March 2, 2016. The Study Guide belongs to Chem 1030 at Auburn University taught by Dr. Lynn Mandeltort in Spring 2016. Since its upload, it has received 204 views. For similar materials see Fundamental Chemistry I in Chemistry at Auburn University.


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Date Created: 03/02/16
Chem 1030 Test 2 Study Guide 1- Name the ionic compounds: a. LiBr b. PbSO 3 c. CaC O2 4 d. Hg 2l 2 e. NiBr 3 f. KMnO 4 g. AuCl 3 h. NaHCO 4 i. NaClO 3 j. CuC H2O3 2 2- Name the covalent compounds: a. CO 2 b. SO 2 c. N 2 d. N 2 3 e. N 2 4 f. PCl 3 g. NH 3 h. P 2 5 i. SiO 2 j. PBr 3 3- Write the chemical formulas for the following compounds: a. Sodium Chloride b. Ammonium Carbonate c. Potassium Hydroxide d. Calcium (II) Sulfate e. Zinc (II) Phosphate f. Iron (III) Nitrate g. Cobalt (III) Phosphate h. Iron (II) Sulfate i. Magnesium (II) Hydroxide j. Potassium Chloride 4- Name three polyatomic ions. 5- Know the following prefixes: a. Mono f. Hexa b. Di g. Hepta c. Tri h. Octa d. Tetra i. Nona e. Penta j. Deca 6- Define and give three examples of a compound. 7- What information does a Lewis Dot Symbol provide? 8- Give the Lewis Dot Symbols for Be, Ca, Li and Sr . 2+ 9- What is ionic bonding? 10-What is the relationship between ionization energy, electron affinity, and the formation of ionic compounds? 11-What is Lattice Energy and what does it indicate about stability? + - 12-An ionic bond is formed between cation A and anion B . Based on Coulomb’s Law how would the energy of the ionic bond be affected by the following changes: a. Doubling the radius of A + + b. Tripling the charge on A c. Doubling the charges on A and B - + - d. Decreasing the radii of A and B by half 13-Use Lewis Dot Symbols to show the transfer of electrons between Na and F, and Ba and O to form cations. 14-What are the laws of definite proportions and multiple proportions? 15-What are the two most commonly used molecular models? 16-Define molecular and empirical formula, and describe the similarities and differences between them. 17-Give the empirical formula for the following compounds. a. P 4 10 d. C5H 12 b. C 10 22 e. N2O 4 c. C 6 18 3 18-Give the molecular formula for the following compounds. a. CH 2 d. NO 2 b. Na 2O 3 e. Fe 2 3 c. BH 3 19-Define acid. 20-What’s the difference between an inorganic compound and an organic compound? 21-What is the difference between molecular mass and formula mass? What type of compound does each refer to? 22-Calculate the molecular mass in the following compounds. a. C H O d. CH Cl 6 6 3 b. H 2O 4 e. SO 2 c. N 2 5 23-Calculate the formula mass in the following compounds. a. NF 2 d. K2SO 4 b. Al 2 3 e. SO 3 c. Fe(NO )3 3 24-Define percent composition. 25-Calculate the percent composition by mass of each of the elements in the following compounds. a. CHCl 3 b. SnO 2 c. CaSiO 3 26-True or False. Molar Mass is numerically equivalent to Molecular Mass for a covalent compound, although the units are different. 27-Calculate the Molar Mass of the following compounds. a. Li CO 2 3 b. CS 2 c. KNO 3 28-How many molecules are of C H are 2re6ent in 0.334 g of C H ? 2 6 29-Calculate the number of C, H and O atoms in 1.5 g of glucose. 30-How many moles of Fe are present in 1 kg of the compound Fe O ? 2 3 31-Explain the octet rule. 32-Define and show how to represent the following bonds. a. Single b. Double c. Triple 33-How does the bond length change between bonds? How does bind length relate to bond strength? 34-For each of the following pairs, state whether they will form an ionic or covalent bond. a. I and Cl b. Mg and F c. B and F d. K and Br 35-Define electronegativity and electron affinity. Explain their trend on the periodic table. 36-What is a polar covalent bond? Give two examples. 37-List the following bonds in order of increasing ionic character: carbon to hydrogen, fluorine to hydrogen, bromine to hydrogen, sodium to chlorine, potassium to fluorine, lithium to chlorine. 38-Label the following bonds as ionic, polar covalent, or nonpolar covalent. a. The CC bond in H CC3 3 b. The KI bond in KI c. The NB bond in H NBC3 3 39-Draw Lewis Structures for the following compounds. a. NCl 3 + b. CH 3H 3 c. COBr 2 d. H 2e 40-What is a formal charge? 41-Draw Lewis Structures for the following ions and show formal charges. + a. NO 2 b. SCN - 2- c. S 2 + d. ClF 2 42-What are resonance structures? 43-Draw two resonance structures for the following. a. ClO 3- b. CH 2 2 44-Give three examples of compounds that do not satisfy the octet rule, and draw a Lewis Structure for each. 45-Draw Lewis Structures for SbCl and 5rO . 2


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