CHM152Final Exam Review - Final

Chemistry (MasteringChemistry Series)

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Final Exam Review 1. Identify Ba(ClO3)2 as which of the following? a. Acid b. Base c. Basic salt d. Acidic salt e. Neutral salt f. None of the above 2. Which of the following reactions corresponds to Δ Gf° of NaBr(s)? a. 2Na(l) + Br2(l) ° 2NaBr(s) b. 2Na(s) + Br2(g) ° 2NaBr(s) c. Na(s) + ½Br2(g) ° NaBr(s) d. Na(s) + ½Br2(l) ° NaBr(s) e. None of the above 3. The reaction quotient, Qsp, needs to be ________ Ksp for a precipitant to form. 4. The rate of reaction depends on which of the following? 5. What is the oxidation of Cl in NaClO4? 6. Which of the following is the Bronsted Lowry definition of a base? a. Proton donor b. Proton acceptor c. Electron donor d. Electron acceptor e. None of the above
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7. Which of the following is TRUE if a reaction has a negative Δ G°? 8. A strong acid would have a percent dissociation … 9. A catalyst will _________________ an equilibrium. 10. Which of the following is the reducing agent in the reaction below? Zn(s) + Mg(OH)2(aq) Æ Zn(OH)2(aq) + Mg(s) a. Zn(s) b. Mg(OH)2(aq) c. Zn(OH)2(aq) d. Mg(s) e. None of the above 11. Calculus is used to find the Integrated Rate Law 12. In a galvanic cell, electrons flow from the cathode to the anode. 13. Which of the following is the definition of a Lewis Acid? 14. Kc values have units. a. True b. False
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15. Rate Constants have units. 16. What is the molecularity of the following elementary step? HI(g) + ICl (g) I2(g) + HCl (g) 17. What is the pH at the equivalence in a titration between a weak base and strong acid? 18. What is the overall order of the reaction if the rate law is: Rate = k[NH 4 ] 2 [Cl - ] a. Zero [NH 3 ] b. First c. Second d. Third e. None of the above
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