Consider a galvanic cell based in the reaction Fe2. cr02--> Fe3+ + Cr3+ in acidic solution....
Question 23 (2 points) 23. Consider a galvanic cell based on the reaction below, what is the coefficient of Fe3+ in the balanced equation in acidic solution? Fe2+ + Cr20,2- → Fe3+ + Cr3+ A 1 O B.2 O C.3 OD.6
A standard galvanic cell is constructed with Fe3+ | Fe2+and Cr3+ | Cr half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Cr3+ is reduced at the cathode. As the cell runs, anions will migrate from the Cr3+|Cr compartment to the Fe3+|Fe2+compartment. Fe3+ is reduced at the cathode. The anode compartment is the Cr3+|Cr compartment. In the external circuit, electrons flow...
The following standard reduction potentials have been determined for the aqueous chemistry of iron: Fe3 (a)e>Fe2-(aq 0.770 V Fe2 (aq) 2e>Fe(s E°-0.409 v Calculate the equilibrium constant (K) for the disproportionation of Fe2(aq) at 25 °C. Submit Answer 5 question attempts remaining
Question 2 of 10 > Attempt 1 Balance the following redox reaction in acidic solution using whole number coefficients. NO3(aq) +1,(s) — 103(aq) + NO2(g) In the balanced equation, what is the coefficient for NOZ? 5 2 10 Incorrect
Consider the following reaction at 298 K. 3 Cr3(a) Cr(s)>3 Cr(aq) Cr (aq) Which of the following statements are correct? Choose all that apply. E cell0 The reaction is reactant-favored. n 3 mol electrons Odelta Go0 Consider the following reaction at 298K. 2 Cr3+ (a Zn (s2 Cr2* (aq)+ Zn2* (aq) Which of the following statements are correct? Choose all that apply O K<1 cell 0 Odelta Go0 OThe reaction is product-favored On-5 mol electrons
Given: H2SO3(aq) --> HSO4 (aq), acidic solution. How many electrons appear in the balanced half-reaction? О6 ОООО
Calculate E°(cell) for the reaction, 2 103"(aq) + 10 Fe2+(aq) <=> 10 Fe3* (aq) + typen the reductor per Fe3+ (aq) + e* <=> Fe2+(aq), E = 0.87 V 2 103(aq) + 10 e<=> 12(aq), E° = 1.10 V A. -7.60 V B. 0.23 V C. -1.97 v D. 1.97 v E. -0.23 V
Consider the following galvanic cell at 25 °C: Zn(s) | Zn2+(0.170 M) || Fe3+(1.40 M), Fe2+(0.230 M) | Pt(s) Calculate ℰ°cell. ℰ°cell = V Calculate ℰcell. ℰcell = V Calculate ℰcell after 86% of the Fe3+ has reacted. ℰcell = V
A standard galvanic cell is constructed in which a Cu2+ | Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Cu2+ is reduced at the cathode. As the cell runs, anions will migrate from the Cu2-jCu+ compartment to the other compartment. □ The cathode reaction is Cu2+ + e--> Cu- anions will migrate siom the CuiCu other compartment The cathode reaction is...
Consider the following UNBALANCED reaction IN ACIDIC SOLUTION: Fe2+(aq) + MnO4-(aq) ⟶ Fe3+(aq) + Mn2+(aq) a. (5) Species that is oxidized (be specific – i.e. identify which atom and if there are multiple atoms with different charges, identify the correct one) b. (5) Species that is reduced (same instructions as above) c. (10) Full Balanced oxidation ½ reaction (‘full’ means with regard to mass (atoms) and charges.) d. (10) Full Balanced reduction ½ reaction e. (9) Complete Balanced Reaction Using...