7. If AGfor the reaction A(aq) + 3B(aq) - 2C(aq) + D(aq) is equal to-43.85 kJ,...
Balance each redox reaction occurring in acidic aqueous solution. a. PbO2(s) + (aq) Pb2+(aq) + 12(s) b. SO32-(aq) + MnO4 (aq) — 3042-(aq) + Mn²+(aq) c. S2032-(aq) + Cl2(g) 8042-(aq) + Cl²(aq)
Consider the following cell reaction at 18°C: Ca(e)+Cu+ (aq) + Ca2+ (aq) + Cu() Calculate the standard cell potential of this cell from the standard electrode potentials, and from this, obtain AG" for the cell reaction. Calculate AF. Use these values of AN and AG to obtain AS for the cell reaction. Ca²+ (aq) +20 + Ca() --2.76 V Cu? (g) +20 + Cu(s) - 0.84 V AH;(O.*()) -- 542.8 kJ/mol AH;(Out (as)) - 64.8 kJ/mol V AG- AH- kJ...
use the example to answer
8,9,10&11
Here's an example: Balance the following redox reaction, which occurs in acidic solution: Fe (aq)+ MnO4'(aq) -Fe (aq) + Mn (aq) Solution: +2 +7 +3 Step 1) +2 Fe2 (aq)+ MnOa (aq) Fe(aq) + Mn2 (aq) Fe (aq) MnO4 (aq) Mn2 (aq) 1 Fe on each side; 1 Mn on each side; no adjustment necessary Fe2 (aq) Fe 3'(aq) + e 5 e + MnO4(aq) Fe (aq) Fe (aq) + e (2+ on each...
Write the equilibrium-constant expression for the reaction A(s)+3B(l)<------->2C(aq)+D(aq) in terms of [A], [B], [C], and [D] as needed. Kc=? *Kc, which is sometimes symbolized as Keq, denotes that the equilibrium constant is expressed using molar concentrations. For this question, Kc means the same thing as Keq.
1. (3pts.) Complete and balance the nuclear equation in+U - Br+3n+ 2. The equilibrium constant for the dissociation of As.CO, (s) + 2 Ag+CO, isk=8.1 10-at 25°C. a) Calculate AG for the reaction when Agtl -1.0 x 102 M and CO, 9-10 x 10 M. (4pts) Ans: b) (pt) is the reaction spontaneous or onspontaneous at these concentrations? Ans: 3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; INOCHE 2NO(g) + Calculate K, for this...
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...
1. A voltaic cell is constructed based on the following redox reaction: Sn2+ (aq) + Mn (s)àSn (s) + Mn2+ (aq) Calculate Ecell at 25 oC under the following conditions: (a) Standard conditions (b) [Sn2+] = 0.0200 M; [Mn2+] = 4.00 M (c) [Sn2+] = 0.500 M; [Mn2+] = 0.00250 M 2. Consider the following redox reaction at 25oC: MnO2 (s)àMn2+ (aq) + MnO4- (aq) (a) Balance the equation in acid (b) Calculate Eocell (c) CalculateDGorxn (d) Calculate K Hint!!!...
A (1) +3B (g) + 2 (aq) + 4D(g) + 7E(s) AH = 25 kJ/mole a) Write the equilibrium constant expression b) Would the reaction shift toward the products or reactants if the volume of the sealed react container was suddenly doubled? Would the reaction shift toward the products or reactants if the temperature was increase d) Would the reaction shift toward the products or reactants if more A was added? e) Would the value of K change in any...
A (1) +3B (g) + 2 (aq) + 4D(g) + 7E(s) AH = 25 kJ/mole a) Write the equilibrium constant expression b) Would the reaction shift toward the products or reactants if the volume of the sealed react container was suddenly doubled? Would the reaction shift toward the products or reactants if the temperature was increased di Would the reaction shift toward the products or reactants if more A was added? e) Would the value of K change in any...
For reaction 2A + 3B → 2C + D, following data of concentration and rate was obtained Trial Initial [A] Initial [B] Initial Rate (M/sec) 1 0.015 M 0.200 M 3.67 x 10^-6 20.030 M 0.200 M 7.33 x 10^-6 30.015 M 0.400 M 1.47 x 10^-5 The special rate constant k = A 1.2 x 10^-3 (1/M.sec) 9.2 x 10^-4 (1/M-sec) C 1.6 x 10^-3 (1/M-sec) 6.1 x 10^-3 (1/M^2-sec) E 8.2 x 10^-3 (1/M^2-sec)