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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* PRACTICE: Which of the following is an oxidation-reduction reaction? Ba(C 2 H 3 O 2 ) 2 (aq) + Na 2 SO 4 (aq) BaSO 4 (s) + 2NaC 2 H 3 O 2 (aq) H 2 CO 3 (aq) + Ca(NO 3 ) 2 (aq) 2HNO 3 (aq) + CaCO 3 (s) Cu (s) + 2AgNO 3 (aq) 2Ag (s) + Cu(NO 3 ) 2 (aq) AgNO 3 (aq) + HCl (aq) AgCl (s) + HNO 3 (aq) HCl (aq) + NaOH (aq) H2O (l) + NaCl (aq) PRACTICE: Which of the following is the strongest reducing agent? A) Sn 2+ (aq) B) Cr 3+ (aq) C) Sn 4+ (aq) D) Cr (s) E) Sn (s) * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 40
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* SUMMARY: Calculate Oxidation Number * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 41
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* PRACTICE: For the following reaction KClO 4 KCl + 2O 2 assign oxidation states to each element on each side of the equation. PRACTICE: What is the oxidation state of an individual phosphorus atom in PO 3 3− ? Express the oxidation state numerically (e.g., +1). * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 42
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* PRACTICE: Fluorine reacts with cold sodium hydroxide solution to produce oxygen difluoride as shown in the following chemical equation 2 F 2 (g) + 2 NaOH (aq) 2 NaF (aq) + H 2 O (l) + OF 2 (g) Assign the oxidation numbers for the atoms in reactants an products of this reaction listed below. * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 43
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* PRACTICE: Using the activity series provided below write a balanced reaction (if any) for the following choices. a) Magnesium is added to a solution of Cobalt (II) bromide. b) Hydrobromic acid is added to Silver metal. * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 44
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* SUMMARY: Types of Chemical Reactions PRACTICE: What are the products of the combustion of octane (C 8 H 18 )? A. O 2 and C 4 H 9 B. H 2 O and C 4 H 9 C. CO 2 and H 2 O D. O 2 and CO 2 * This review was not prepared by your professor or school and is neither approved nor endorsed by your college or university 45
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ECU - GENERAL CHEMISTRY I - PROF. SPUCHES ECU CHEM 1150 SPUCHES EXAM 2 REVIEW* PRACTICE: For this question, consider what might happen if a solution of mercury (II) nitrate were to be mixed with a solution of ammonium iodide. You will want to write a balanced equation and a net ionic equation to help you answer the following questions.
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