In the reaction Fe(s) + 2 Ag+ (aq) Fe2+(aq) + 2 Ag(8) a which species is oxidized and which is reduced? is oxidized...
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12 (s) Which of the following statements are correct? Choose all that apply. On= 2 mol electrons delta Gº > 0 The reaction is product-favored. OK<1 Eºcell > 0 The standard voltage, Eº, for the reaction of Ni(s) and H(aq) is 0.25 V. What is the standard Gibbs free energy change, AG°, for the reaction? J/mol Submit Show Approach Show Tutor Steps Submit Answer Try...
species oxidized, the s reduced, the er re 3Sa2(aq)+2AIs)3Ss) +2A (aq) species reduced oxidizing agent reducing agent As the reaction proceeds, electrons are transferred from to 1 item attempt remaining
Consider the reaction Mg(s) + Fe2+ (aq)-Mg2+ (aq) + Fe(s) at 87 °C, where [Fe2+] = 2.80 M and [Mg2+] = 0.310 M. Part A What is the value for the reaction quotient, Q, for the cell? Express your answer numerically. ► View Available Hint(s) EVO ADV * 0 2 ? What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) thuÀ • • •...
Consider the redox reaction Fe(s) + Cu2+ (aq) — Fe2+(aq) + Cu(s) Which substance gets oxidized? Which substance gets reduced? What is the reducing agent? What is the oxidizing agent?
Consider the following reaction at 298K. Fe2+ (aq) +2 I (aq) → Fe (s) + 12 (s) Which of the following statements are correct? Choose all that apply. On= 2 mol electrons delta Gº > 0 The reaction is product-favored. OK<1 Eºcell > 0 The reduction potential for the following non-standard half cell at 298K is volts. F2 (8.16*10-'atm) + 28°—>2F" (1.43M) Submit Answer Retry Entire Group 9 more group attempts remaining
35. In the reaction Fe(s) + 2Ag (aq) = Fe²+ (aq) + 2Ag(s): Fe is oxidised and Ag is oxidised. Feat is oxidised and Ag* is reduced. c) Fe2+ is oxidised and Ag is oxidised. Fe is oxidised and Ag is oxidised. Fe is reduced and Ag is reduced.
[References) Balance the following redox reaction, which takes place in basic solution. Fe(OH),(s) + Cr(s) + Fe(OH),(s) + Cr(OH),(6) (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) Fe(OH),(s) + Cr(s) + Fe(OH),(s) + Cr(OH),(s) + Submit Answer Try Another Version 10 item attempts remaining
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction. 2Cr3+3Zn2Cr + 3Zn2 species oxidized species reduced oxidizing agent reducing agent As the reaction proceeds, electrons are transferred from to Retry Entire Group 9 more group attempts remaining Submit Answer
Half-Reaction Fe2+(aq) + 2e Fe(s) Hg2+ (aq) + 2e Hg() Ag+ (aq) + e + Ag(s) Cu2+ (aq) + 2e + Cu(s) Zn2+ (aq) + 2e → Zn(s) E (V) -0.44 0.86 0.80 0.34 - 0.76 Using the table, calculate Eºcell for the following electrochemical cell under standard conditions voltmeter a) 1.24 V Fe. salt bridge Ag b) -1.24 V c) 2.04 V d) - 2.04 V Ag a b С
Use the References to access in Use standard reduction potentials to calculate the equilibrium constant for the reaction: 2 Ag+ (aq) + Fe(s) —2Ag(s) – Fe2+(aq) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant AGº for this reaction would be than zero Submit Answer Try Another Version 2 item attempts remaining