5. Ni(s)Ni+ (aq) +2 e Ag (aq) +eAg(s) Which of the following is the balanced net...
6. Al(s) + A1+ (aq) + 3 e Zn + (aq) +2e → Zn() The half-reactions for the oxidation-reduction reaction between Al(s) and Zn2+ (aq) are represented above. Based on the half-reactions, what is the coefficient for Al(s) if the equation for the oxidation-reduction reaction is balanced with the smallest whole-number coefficients? We were unable to transcribe this image
A voltaic cell is based on the reduction of Ag^+(aq) to Ag(s) and the oxidation of Sn(s) to Sn^2+(aq). (a) Write half-reactions for the cell's anode and cathode. Include the phases of all species in the chemical equation. Anode Cathode (b) Write a balanced cell reaction. Include the phases of all species in the chemical equation.
o. Study this chemical reaction: ups ni sorlg dst noitos ollat 3AGNO3(aq) + Al(s) 3Ag(s) +Al(NO3)3(aq) 09:6h) Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. 31 Oxidation: A Al 3e Aate Reduction: Ag
4. Which of the following statements about the voltaic cell shown below is correct? Zn(s)[Zn** (aq)|| Cu** (aq)|Cu(s) (a) The oxidation half-reaction is clearly Zn(s) ® Zn** (aq) + 2 e. (b) The oxidation half-reaction is clearly Zn() Zn" (aq) +le. (C) The oxidation half-reaction could not be anything other than Cu(s) ® Cu (aq) +2 e. (d) It is obvious that the oxidation half-reaction is Zn(s) ® Cu(s). 5. Which of the following statements about the voltaic cell shown...
17) Determine the oxidizing agent in the following reaction. Ni(s) + 2 AgClO4(aq) → Ni(ClO4)2(aq) + 2 Ag(s) A) Ag B) Ni C) CI D) O E) This is not an oxidation-reduction reaction. 18) When an aqueous solution of manganese (II) nitrate is combined with an aqueous solution of ammonium sulfide, what should precipitate out? A) Mns B) Mn(SO3)2 C) Mn(SO4)2 D) Mn 2503 E) Mn 2504 19) If 4.89 g of ZnCl2 is dissolved in enough water to give a total...
What is the reduction half-reaction for the following overall galvanic cell reaction? Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq) Co2+(aq) + e-Co(s) Co2 (aq) 2 e Co(s) Ag (aq)eAg(s) Ag(s) + e-→ Ag+(aq)
Consider the following half-reactions: Half-reaction E° (V) Ag+(aq) +e → Ag(s) 0.799V Cu2+(aq) + 2e → Cu(s) 0.337V Mg2+(aq) + 2e —— Mg(s) -2.370V The strongest oxidizing agent is: enter symbol The weakest oxidizing agent is: The weakest reducing agent is: The strongest reducing agent is: Will Mg(s) oxidize Ag(s) to Ag+(aq)? V Which species can be oxidized by Cu2+(aq)? If none enter none. Consider the following half-reactions: Half-reaction E° (V) 2Br (aq) 1.080V Br2(1) + 2e — Ni2+(aq) +...
2. (3)For the following reaction: Mg(s) + Ni(NO3)2 (aq) → Mg(NO3)2(aq) + Ni(s) a. Write the reduction half-reaction: b. Write the oxidation half-reaction: c. What is the reducing agent: d. What is the oxidizing agent? 3. (2) For each of the following 'half-reactions' indicate whether the carbon compound is a) reduced b) oxidized or c) neither oxidized nor reduced and state your reasoning: (a,b or c) ОН CH, CH2-CH=CH2 CH, CH2-CH-CH3 Your reasoning: CH, CH2CH=CH2 howro bob518) abon 2 219160...
Balance the following oxidation-reduction reactions using the half-reaction method. 1. HCOOH (aq) + MnO.. (aq) → CO2 (g) + Mn2. Acidie solution Identify the reduction half Identify the oxidation half Basic solution Identify the reduction half Identify the oxidation half Write a balanced equation for the electrode and overall cell reactions in the following galvanic cell and determine E°. Sketch the cell, labeling the anode and cathode and showing the direction of electron and ion flow. 2. 3. Circle the...
Іго, Electrochemistry Wolleet 1. Assign oxidation numbers to each element in the following compounds: a. VOCI b. Cuso c. CHOH). d. Mno, e. SO, 2. Given the following half reactions and their standard reduction potentials, i. Cl (g) + 2e- - 2 CI (aq) E' =+ 1.36 V ii. Niº (aq) + 2e - Ni (s) E' = -0.25 V iii. Ag (aq) + e- Ag () E' = +0.80 V Identify the chemical species most likely to be oxidized....