![Soin d. Na (4) + Hg2+ - Hg (8) Nacs) - Na2+ ] [Hg2+ Hg 7 → [ Nad Hg2+ - Na² tug 7 Oxidation Redution weet once Redution Zn (S](http://img.homeworklib.com/questions/95f4d960-6ea1-11ea-b7d8-1f120c39ff84.png?x-oss-process=image/resize,w_560)

1. Na (s) +Hg2+ Hg (l) Oxidation Reduction Hy+20 7Hta Net ionic 2. Zn (s) +H...
the reaction tha undoxidation numbers to each element. Write the half-reactions. Label undergoes oxidation and reduction. Example 0 +2+5-2 0 +1+5-2 Oxidation M 20 Reduction-2H H) Cu (9) 1. nCu(No) Zn(NOs ondaton: Zn reduction 2. Na(s) + H2O → NaOH (aq) + H2 (g) Oxidation Na Na reducho 3. Br2(0 Nal NaBr 12(s) xidation uction 4. Cr (s) + Niso,-. CrSO4 + Ni (s) alon. on
1. For the following electron-transfer reaction: Cl2(g) + Hg(l) 2Cl-(aq) + Hg2+(aq) The oxidation half-reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) The reduction half-reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) 2. For the following electron-transfer reaction: 3Br2(l) + 2Al(s) 6Br-(aq) + 2Al3+(aq) The oxidation half-reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g) The reduction half-reaction is: (aq)(s)(l)(g) + (aq)(s)(l)(g) (aq)(s)(l)(g) + (aq)(s)(l)(g)
5. Consider the following redox molecular reaction: Na(s) + H2O(l) ? NaOH(aq) + H2(g) If water is written as HOH(), then the equation is Na(s) + HOH(l) ? NaOH(aq) + H2(g) Write the following reactions: Oxidation reaction: Reduction reaction: Balanced net ionic reaction: Reducing agent: Oxidizing agent:
8-10
8. Determine the reduction potential for H2O(l) in neutral water: [H"]= [OH = 10? (6 points) (P. = 1 atm) 9. A cobalt electrode is placed in 1.00 L of I M CO(NO3)2(aq) and a chromium electrode is placed in 1.00 L of IM Cr(NO3)3(aq). Electrodes are connected by a wire through a voltmeter and the solutions are connected by a salt bridge. (16 points) a. The reduction reaction will be: b. The oxidation reaction will be: c. The...
1. For the oxidation-reduction reaction Zn(s) + 2HNO3 (aq) → H2(g) + Zn(NO3)2 (aq) Hint: HNO3 a) provide equation for the oxidation half-reaction: b) provide equation for the reduction half-reaction: In the given equation above or in your answers to a) and b): c) label the substance which is oxidizing agent, d) label the substance which is reducing agent.
1) Which of the following oxidation-reduction reactions will be spontaneous in the direction written? Select all that apply. Mg2+ (aq) + Be (s) → Mg (s) + Be2+ (aq) Cu2+ (aq) + Zn (s) → Cu (s) + Zn2+ (aq) Hg2+ (aq) + Cu (s) → Hg (l) + Cu2+ (aq) Pb2+ (aq) + Cu (s) → Pb (s) + Cu2+ (aq) Fe2+ (aq) + Pb (s) → Fe (s) + Pb2+ (aq) 2) What is the value (in V)...
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hem. 103 Chapts 3&4 Test , What is the oxidation number of each mom in sodium hydrogen carbonate Na +1,H -1.C=+6,0 b. Na = +1.H=+1. C = -4.0--2 c. Nam +, H -1,C - 0 d. Na --1,H- +1.C-00--2 e. Na - OH-0,C-00-0 30. What base results when K, reacts with water a. H2O'(aq) b. KH(a) co(a) d. KOH(a) e. KO (4) 31. Zn reacts with hydrochloric acid. Zn(s) + 2 HCl(aq) - ZnCl(aq) + Hyg) What...
Part A Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+ (aq) → Zn2+(aq) + Cu(s) 2. 2 Na(s) + Cl2(aq) + 2NaCl(s) 3.2 Mg(s) + O2(g) → 2 Mgo О O 0 1 and 3 only 2 and 3 only 1 and 2 only All of 1, 2, and 3 O None of 1, 2, and 3 Submit Request Answer Provide Feedback
Oxidation half-reaction: Zn (s) + 2 OH- (aq) Z ZnO (s) + H20 (1) +2 € €°ox = +1.28 V Reduction half-reaction: 2 MnO2 (s) + H20 (1) + 2 € Mn203 (s) + 2OH- (aq) Ered = +0.15 V Ch9: Q22 Homework • Unanswered Given the half-reaction potentials above, what is the total cell potential of an alkaline battery in volts (V)? Numeric Answer: Unanswered Submit
Identify these reactions as combustion, direct combination, decomposition, displacement, acid-base or reduction-oxidation. Premise Response Drag and drop to match 1 2 B (s) + 3 F (g) → BF (g) A Displacement 2 SiO (s) + F (g) → SiF (s) + O (g) B Combustion 3 H (g) + S (s) → HS (g) C Direct combination 4 2 NaClO (s) → 2 NaCl (s) + 3 O (g) D Decomposition 5 HCl (aq) + NaOH (aq) → NaCl...