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Write the Nernst equation for the following processes at some temperature T.
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Chemistry: Atoms First
- Calculate the standard cell potential of the cell corresponding to the oxidation of oxalic acid, H2C2O4, by permanganate ion. MnO4. 5H2C2O4(aq)+2MnO4(aq)+6H+(aq)10CO2(g)+2Mn2+(aq)+8H2O(l) See Appendix C for free energies of formation: Gf for H2C2O4(aq) is 698 kJ.arrow_forwardWrite the expression for Q for the following reaction. 2 Cu2+(aq) + 4 I−(aq) ⇄ 2 CuI(s) + I2(aq)arrow_forwardCalculate K at 25°C for the following reaction: 5104 (aq) + 2Mn2+ (aq) + 3H₂O (1)→→→5103 (aq) + 2MnO4 (aq) + 6H* (aq) Fill in the appropriate blanks as though you were writing in the value (1 sig fig) and the "timest K= X 4 *10^ X -53arrow_forward
- What is the mass-action expression, Qp, for the following reaction?Sn2+(aq) + ½O2(g) + 3H2O(l) ⇄ SnO2(s) + 2H3O+(aq)arrow_forwardCalculate the equilibrium constant Kc for the net reaction shown below. AgCl (s) ⇌ Ag+ (aq) + Cl− (aq) Ksp = 1.6 x 10-10 Ag+ (aq) + 2 NH3 (aq) ⇌ Ag(NH3)2+ (aq) Kf = 1.5 x 107 AgCl (s) + 2 NH3 (aq) ⇌ Ag(NH3)2+ (aq) + Cl− (aq) Kc = ? Using net reaction, determine the molar solubility of silver iodide in 1.0 M NH3.arrow_forwardWhen a ruthenium chloride solution was electrolyzed for 500. s with a 120 mA current, 31.0 mg of ruthenium was deposited. What is the oxidation number of ruthenium in the ruthenium chloride solution?arrow_forward
- Write the expression for the equilibrium constant for the reaction represented by the equation: AgCl (s) Ag+ (aq) + Cl¯¯ (aq)arrow_forwardBased on the information in this table:E° (V)Sn4+(aq) + 2 e– --> Sn2+(aq)+0.15 BrO3– (aq)+ 6 H+(aq) + 6 e– --> Br–(aq) + 3 H2O+1.44 Fe2+(aq) + 2 e– --> Fe(s)-0.44 Fe3+(aq) + e– --> Fe2+(aq)+0.771 NO3–(aq) + 4 H+(aq) + 3 e– --> NO(g) + 2 H2O+0.96 Select from the following reactions, the one(s) that are spontaneous, if any.I. BrO3-(aq) + 2NO(g) + H2O --> Br- (aq) + 2 NO3-(aq) + 2H+(aq) II. Sn2+ (aq) + Fe2+ (aq) --> Sn4+(aq) + Fe(s) III. 3 Sn2+(aq) + 2 NO3-(aq) + 8H+(aq) --> 3 Sn4+ (aq) + 2NO(g) +4 H2O Select one: a.I and III are spontaneous b.none is spontaneous c.II and III are spontaneous d.They are all spontaneous e.I and II are spontaneousarrow_forwardCr3+(aq) + 3e- = Cr(s) -0.763 V Au+(aq) + e- = Au(s) 1.680 V 3. Write the cell diagram or cell notation of the constructed galvanic cell in number and calculate the standard cell potential of the constructed galvanic cell.arrow_forward
- A current of 11.3 A is applied to 1.25 L of a solution of 0.552 M HBr converting some of the H+ to H2( g), which bubbles out of solution. What is the pH of the solution after 73 minutes?arrow_forwardDetermine the equilibrium constant given: NH4NO3(s) N2O(g) + 2 H2O(aq)arrow_forwardWhat mass of zinc metal can be produced per hour in the electrolysis of a molten zinc salt by a current of 84 A.arrow_forward
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