Pb2+(aq) + 2 e → Pb(s) Br2(0) + 2 e* → 2 Br(aq) E° = -0.13 V E° = +1.07 V

A1.0-L sample of 1.0 M HCI solution has a 13.5 A current applied for 41 minutes. What is the pH of the solution after the electricity has been turned off?

A current of 5.55 A is passed through a Cu(NO3)₂ solution for 1.90 h. How much copper is plated out of the solution? mass of copper: g

Consider the following half-reactions.   Cl2(g) + 2 e– → 2 Cl–(aq) E° = +1.36 V   Ag+(aq) + e– → Ag(s) E° = +0.80 V   Cu2+(aq) + 2 e– → Cu(s) E° = +0.34 V   Sn2+(aq) + 2 e– → Sn(s) E° = –0.14 V   Al3+(aq) + 3 e– → Al(s) E° = –1.66 V Which of the following species will reduce Cu2+(aq) ion? Ag(s) and Sn^2+(aq) Cl^-(aq) and Ag(s) Cl2(g) and Ag^+(aq) Sn(s) and Al(s) Sn^2+(aq) and Al^3+(aq)

Give me a clear handwritten answer with explanation

Please answer question 23

Enter electrons as e". Use smallest possible integer coefficients. States are not required. If a box is not needed, leave it blank. Standard Reduction Potentials (Volts) at 25 °C Cl₂ (g) + 2 e →2 Cl(aq) O2(g) + 4 H3O+ (aq) + 4 e 6 H₂O(1) 1.360 1.229 2 H2O(l) + 2e Al3+ (aq) + 3 e → Al (s) H2(g) + 2 OH(aq) -0.828 -1.660 A 0.114 M neutral aqueous AlCl3 solution is electrolyzed under 1 atm pressure using platinum electrodes. (a) Write the half-reactions expected to occur, taking into account the effect of the non-standard conditions on the electrode potentials. Half-reaction at anode: + + + + Half-reaction at cathode: + + + + (b) What is the expected decomposition potential?

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction + 21O3(aq)+ 12 H¹ (aq)+10e¯ Cl₂(g) +2e 1₂(s) + 6H₂O(1) → 2 C1 (aq) standard reduction potential E=+1.195 V 'red E 70 = +1.359 V red

Standard Reduction Table Co³+ (aq) + 2 e →→ Co²+ (aq) Au³+ (aq) + 3 e → Au(s) AgCl(s) + e → Ag(s) + Cl(aq) Cu²+ (aq) + e→→ Cut(aq) N₂(g) + 5 H*(aq) + 4 e → N₂H5*(aq) Which of the following species is the best reducing agent? Eº, V 1.92 1.50 0.22 0.16 -0.23 A) N₂ B) Co²+ C) H+ D) CO³+ E) N₂H5*

Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction. ЗС, 2- 1 H 2 (s) 3- 103¯(aq) + PO3³(aq) → 10¯(aq) + PO4³- (aq) 3 H₂O* Reset Question 15 of 36 4 (1) O LO 5 H.Q 6 OH 7 (g) P ↑ ● 8 e x H₂O 9 11 (aq) | 0