11. The reduction potentials for Ni2+ and Sn2+ are given in the table. Calculate the equilibrium constant at 25 °C for the reaction: Sn2+ + Ni = Sn + Ni2+ A) 3.6 x 1012 В) 35 C) 5.9 D) 8.3 x 104 E) 1.0 x 103

How many seconds are required to produce 7.00 g of Osmium metal from theelectrolysis of molten OsCl2 with an electrical current of 16.0 A?

A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH3)4²+. If a standard hydrogen electrode is used Use the standard reduction potentials shown here to answer the questions. as the cathode, the cell potential, Ecell is found to be 0.080 V at 298 K. Reduction half-reaction E° (V) Cu2(aq) + 2e¬Cu(s) 0.337 Part A 2H+(aq) + 20¬H2(g) 0.000 Based on the cell potential, what is the concentration of Cu2+in this solution? Express your answer to one significant figure and include the appropriate units. Templates Symbols uado redo reset keyboard shortcuts help [Cu² = Value Units

How long would it take to produce 3.6 g of platinum by passing a 2.0 ampere current through a solution of PtCl2?

29b

1. Consider the following standard reduction potentials in acid solution: E°(V) -1.66 +0.07 +0.14 Fe³+ + e +0.77 The strongest reducing agent among those shown above is Hint: If answer is with charge, type this way: X2+ Al³+ + 3e → Al(s) AgBr(s) + e → Ag(s) + Brā Sn4+ + 2e → + 2e → Sn²+ Fe²+

How many grams of mercury metal will be deposited from a solution that contains Hg2+ ions if a current of 0.869 A is applied for 69.2 minutes. grams

Shown below are some standard reduction potentials. For which of these compounds is oxidation most favorable? (Imagine you mixed all four of these compounds together in equal quantities. Which one would get oxidized?) a) H2O b) NADH c) O2 d) NAD+