4) Identify as oxidation or reduction. Give the reason of your choice. a) Zn2+ + 2e - Zn b) Pb - Pb2+ 2e c) Cl2 + 2...
4) Identify as oxidation or reduction. Give the reason of your choice. electvos a) Zn 2e Zn oxidaon (losss b) Pb Pb2 + 2e c) Cl + 2e -2C d) AlA 3e
1 of 1 1) Balance the following redox reaction: Al + Zn → A1 + Zn 2. Balance the follwoing unbalanced chemical equations. Then, write an ionic equation, and a net ionic equation for each equation. Identify the spectator ions a) CaCl(aq) + K3PO(aq) - KClaq) + CaPO(S) LiOH(aq) + H2SO4(aq) → H01) + LigSO4(s) 3. In the reactions a) Pb(s) + 2Ag (aq) - P** (aq) + 2Ag(s) b) FeO3(s) + 3C0(g) 3Fe(s) + 3C0 g) Which species are...
Question 7 (1 point) Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2+[Pb and Zn2+|Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltmeter salt bridge CD-> The identities of B and D, respectively, are O Pb and Cl- Ozn and Cl- O Pb and K+ O Zn and K+
Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2+ Pb and Zn2+|Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltmeter salt bridge CD- <-CD-RB B The electrode B could be inert platinum metal or lead metal. O True O False
Question 5 (1 point) Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2 Pb and Zn2+Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltater salt bridge CD- The identities of A and C, respectively, are Zn and K OPb and K Zn and CH O Pb and CI Question 6 (1 point) Saved In a working electrochemical cell, the...
Candidate l: Zn(s) | Zn2+(aq,0.500 M) I Cu2+(aq, 1.00 M) Cu(s) Candidate 2: Pb(s) | Pb2+(aq, 0.500 M) || Cu2+(aq, 1.00 M) Cu(s) Candidate 3: Mg(s) | Mg2+(aq, 0.500 M) | Pb2+(aq, 1.00 M)| Pb(s) (a) 6 pts) Choose one of the candidate voltaic cells #1, #2, or #3. Draw a schematic cell diagram for the candidate voltaic cell of choice. Clearly label anode, cathode, electrodes, ions and their concentrations, salt bridge, and the flow of electrons. (b) (5 pts)...
- Zn2+ Choose... Choose... (1pts) Identify the complete redox reaction for a ZnZn2+1|Cu2+1Cu cell. A. Zn(s) + Cu?+ (aq) (aq) + Cu(s) B. Zn(s) + Cu(s) → Zn2+ (aq) + Cu2+ (aq) C. Zn2+ (aq) + Cu(s) Zn(s) + Cu2+ (aq) D. Zn (s) + 2 Cu(s) — Zn2+ (aq) + 2 Cu2+ (aq) (1pts) Identify the complete redox reaction for a Zn/Zn2+||Pb2+1Pb cell. A. Zn (s) + Pb(s) Zn2+ (aq) + Pb2+ (aq) B. Zn2+ (aq) + Pb(s) Zn(s)...
In the following oxidation-reduction reaction: Zn(s) + Ag+(ac) → Zn2+(ac) + Ag(s); Identify: a. Oxidizing agent b. Reducing agent
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
(C) 5, product 16. Which reaction has Standard Reduction Potentials, y Pb2+(aq) + 2e--+ Pb(s) -0.13 Sn (aq) +2e Sn2 (aq) +0.15 Br (aq) + 2e- 2Br(aq) +1.09 the highest potential under standard conditions? (A) Sn (aq)+ Pb(s)- products (B) Br (aq) +Sn (aq) products (C) Pb(s)+ Br2(aq) products (D) Pb?'(aq)+ Sn (aq) products homical cell is set un as shown.