Thursday, March 13, 2014

Sample of test

Part I. Calculate the [H3O in a solution prepared by mixing 25.0mL of 1.0M HCl with 50.0mL of 0.50M KOH. A. 1.0 M B. 0.50 M C. 0.25 M D. 1.0 107 M The pH of a 0.10M KOH solution is Consider the acid-base equilibrium system: HC2O4H2BO3↔H3BO3 C2O42 Identify the Brönsted-Lowry bases in this equilibrium. A. H2BO3and H3BO3 B. HC2O4and H3BO3 C. HC2O4and C2O42 D. H2BO3and C2O42 Which of the following graphs describes the relationship between pH and pOH? Which of the following solutions would have a pH value greater than 7? A. [OH−] = 2.4 × 10−2 M B. [H3O+] = 1.53 × 10−2 M C. 0.0001 M HCl D. [OH−] = 4.4 × 10−9 M Which of the following is NOT a pure form of Carbon? a. fullerenes b. graphite c. calx d. diamond For Classififcation:A. Sodium B. Aluminum C. Magnesium D. Carbon E. Lithium F. Calcium G. Beryllium H. Oxygen I. Fluorine _____1. Highly flammable metal _____2. Light malleable ductile that resists corrosion _____3. Orange or yellow color to flames _____4. Lightest metal known Good Luck!

FINAL EXAM FOR BSFT II QUANTITATIVE CHEMISTRY MARCH 14, 2014

Coverage of Exam A. Practice solving determining LIMITING OR EXCESS reagent/reactant, tHEORETICAL YIELD, ACTUAL YIELD, AND PERCENT YIELD B. How to solve problems on STOICHIOMETRY AND MOLE CONCEPTS C. TITRATION, ACID-BASE REACTION WITH MOLARITY Problems D. Computing pH, pOH, H, and OH (study the graph that relates pH, pOh, H and OH) E. Salt Hydrolysis and Conjugate acid-base pair F. Study the following terms:acid rain,NaOH,ionization of water, properties of bases,Arrhenius acid-base,Bronsted-Lowry acid and base,buffer solution, standard solution, analyte, titrant, distilled water, Lewis acid and base, et... G. Study all reports or assigned topics particularly those origins of the names, history, properties and color of each element in Flame test. Bring calculator.. STudy harder! Good luck Type of Exam: Objective Multiple Choice and Matching type test.