9) The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2(s) --> 2AI3+(aq) + 6I-(aq) The emf generated by the cell when [AI3+] = 3.0 × 10-3 M and [I-] = 0.50 M is _____________ V.
9) The standard emf for the cell using the overall cell reaction below is +2.20 V:...
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2(s) → 2AI3+(aq) + 6I-(aq) The emf generated by the cell when [AI3+] = 4.0 × 10-3 M and [I-] = 0.015 M is ________ V. The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2(s) 2AI3+(aq) + 6I-(aq) The emf generated by the cell when [AI3+] = 4.0 × 10-3 M and [I-] =...
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I− (aq) The emf generated by the cell when [Al3+] = 5.0 ⋅ 10−3 M and [I−] = 0.010 M is ________ V. The standard emf for the cell using the overall cell reaction below is +2.20 V: (s) + (s) (aq) + (aq) The emf generated by the cell when [] = 5.0 M and []...
Part complete The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I− (aq) The emf generated by the cell when [Al3+] = 4.0 ⋅ 10−3 M and [I−] = 0.015 M is ________ V.
> Question 8 6 pts (Q6) The standard emf (Eºcell) for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 312 (s) 2A13+ (aq) + 61° (aq) Calculate reaction quotient "Q" when (A13+) - 0.35 M and [1 ] -0.15 M. 7.3 x 10 1.1x10 14x100 0.010 2.51
QUESTION 47 Determine the equilibrium constant for the following reaction at 581 K. HCN(g) + 2 H2(g) → CH3NH2(g) ΔH° = -158 kJ; ΔS°= -219.9 J/K 3.99 × 1012 3.26 × 10-12 13.0 2.97 × 1011 0.002 4.92 × 1025 3.4 × 10-12 None of these 523.2 QUESTION 48 The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I- (aq) The emf generated by the cell when [Al3+] = 1.3 ×...
A voltaic cell uses the following reaction: 2Al(s) + 3I2(s) → 2Al3+(aq) + 6I-(aq) a) Calculate the cell potential (ε°cell) under standard conditions. b) Calculate the cell potential (E) when [Al3+] = 0.015M and [I-] = 0.025M.
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘ = 0.771 V What is the emf for this cell when [Fe3+]= 3.70 M , PH2= 0.95 atm , [Fe2+]= 1.0×10−3 M , and the pH in both compartments is 3.95? Express your answer using two significant figures.
8. The standard cell potential (E°cell) for the reaction below is +1.10 V. Calculate the cell potential for this reaction when the concentration of [Cu2+] = 1.0 × 10-5 M and [Zn2+] = 3.5 M. Zn (s) + Cu2+ (aq) → Cu (s) + Zn2+ (aq)
2. Calculate the standard cell emf (cell potential) for electrochemical cells having the following overall cell reactions and predict if they are spontaneous: a) Sn(s) + Pb2+ (aq) → Sn?" (aq) + Pb(s) Eºcell = Volts. Spontaneous? b) 2002 (aq) + Zn?"(aq) → 2Co3+ (aq) + Zn(s) Eºcell__volts; Spontaneous? c) Cl2(g) + 2Br (aq) + 2Cl(aq) + Br2(1); E° = volts; Spontaneous?
The standard cell potential (E°cell) of the reaction below is -0.55 V. The value of Δ G° for the reaction is ________ J/mol. I2 (s) + 2Br- (aq) → 2I- (aq) + Br2 (l) The standard cell potential (E°cell) of the reaction below is -0.55 V. The value of G° for the reaction is ________ J/mol. I2 (s) + 2Br- (aq) 2I- (aq) + Br2 (l) 5.5 ⋅ 10-6 1.1 ⋅ 105 0.55 0.54 none of the above