Chem1023PracticeMidtermFall2009AnswerKey - Dr Jim Bloxton...

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Dr. Jim Bloxton CHEM 1023 Practice Midterm Fall 2009 These are sample questions that may or may not be used on a midterm exam. Other questions that are not found on this sample midterm will be on actual midterms. Learn the basic principles and then be prepared to apply the principles to problems that you have not seen before. The laboratory midterm will cover Holum: Exp 2. The Measurement of Mass. Determination of Density; Bloxton: Density and Specific Gravity; Holum: Exp 5. Chemical Change: Heat Energy; Holum: Exp 6. Chemical Change: Oxidation and Reduction; Bloxton: Supplement to Holum Experiments 5 And 6; Holum: Exp. 26B. Reactions of Hydronium Ions: Behavior of Aqueous Hydronium Ions with Metal Hydroxides, Carbonates, and Bicarbonates; Bloxton: Nomenclature and Molecular, Full Ionic and Net Ionic Equations. This includes all material that was covered in the laboratory supplements, handouts, laboratory lectures, laboratory experiments, and Holum laboratory manual. Test questions can also be drawn from the optional homework assignments from the Chem 1021 Bettlelheim Chem 1021 lecture text. 1. Name the following: a. Al Aluminum b. Fe 2+ Iron(II) ion or ferrous ion c. Se Selenium d. Ca 2+ Calcium ion e. Li Lithium f. F - Fluoride ion g. PO 4 3- Phosphate ion h. Al(HCO 3 ) 3 Aluminum hydrogen carbonate or Aluminum bicarbonate 2. Write the formula of compound in which the combining ratio is as follows: potassium: phosphorus: oxygen , 1: 1: 4. KPO 4 3. Write the symbol for the following elements as they appear in a chemical equation. a. Selenium Se b. Magnesium Mg c. Hydrogen H 2 d. Lead Pb
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4. Write the formula of the following: a. hydride ion H - b. potassium carbonate K 2 CO 3 c. sulfide ion S 2- d. zinc ion Zn 2+ e. copper(I)acetate CuC 2 H 3 O 2 5. Write the formula for the compound formed from the following pairs of ions: silver ion and carbonate ion Ag 2 CO 3 6. Write the name and formula of a triprotic acid. H
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Chem1023PracticeMidtermFall2009AnswerKey - Dr Jim Bloxton...

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