If the following reaction could happen spontaneously, which metal (Cu or Fe) is more reactive (has stronger reducing ability) ?
Fe + Cu2+ -> Fe2+ + Cu
Explain!
If the following reaction could happen spontaneously, which metal (Cu or Fe) is more reactive (has...
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?
Using the activity series, predict whether the following reactions would be expected to proceed spontaneously. Cu (*) + 2Ag (aq) → Cu²+ (aq) + 2Ag (6) a.) Will proceed spontaneously b.) will not proceed spontaneously Using the activity series, predict whether the following reactions would be expected to proceed spontaneously. Mg (6) + Fe2+ → Mg²+ (aq) + Fe (3) (aq) a.) Will proceed spontaneously b.) will not proceed spontaneously Using the activity series, predict whether the following reactions would...
1- Consider the following redox reaction: Fe(s) + Cu2+(aq) --> Fe2+(aq) + Cu(s) EoCell = 0.78 V If [Cu2+] = 0.3 M, what [Fe2+] is needed so that Ecell = 0.76 V 2- Calculate the Eocell for the following redox reaction: Cu(s) + 2Ag+(aq) --> Cu2+(aq) + 2Ag(s)
19. Which of the following describes the net reaction that occurs in the cell, a. Cu Cd2+ - Cu2- +Cd c. Cu2+ Cd2+Cu + Cd d. Cu2+ Cd b. Cu + Cd ? Cu2+ + Cd2+ Cu Cd2+ e. 2Cu 20. direction given) under standard electrochemical conditions? Which one of the following reactions is spontaneous (in the b. Cu Fe Cu Fe2 c. 2Au e. 2Hg +
Consider the following reaction at 25 °C; Cu2+ (aq) + Fe (s) → Cu (s) + Fe2+ (aq); E0cell = 0.78 V (25 °C) What would be the value of Ecell at 25 °C, if [Fe2+] = 0.40 M and [Cu2+] = 0.040 M.
Select any and all of the following that Fe metal could be a reducing agent for Half-reaction E° (V) Aut te Au +1.69 +0.54 12 +2e - → 21- +0.34 Cu²+ + 2e- Cu -0.04 Fe3+ + 3e - Fe Zn2+ + 2e" - Zn -0.76 Natte - Na -2.71 Au 12 None of these o Cu²+ Zn2+
26. Determine the redox reaction represented by the following cell notation. Fe(s) I Fe2+(aq) I| Cu2+(aq) I Cu(s) A) Cu(s) + Fe2+(aq) B) Fe(s)+Cu2+(aq) Cu(s)+ Fe2+(aq) C) 2 Fe(s)+ Cu2+(aq)Cu(s) + 2 Fe2+(aq) D) 2 Cu(s) + Fe2+(aq)Fe(s)+ 2 Cu2+(aq) E) 3 Fe(s) + 2 Cu2+(aq) 2 Cu(s)+3 Fe2+(aq) Fe(s) + Cu2+(aq)
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.) The cathode reaction is Cu -> Cu2+ + 2e The anode reaction could be Fe -> Fe2+ + 2e The anode compartment could be Aglag. Cu2+ is reduced at the cathode. In the external circuit, electrons flow from the other compartment to the...
Question 8 (1 point) Which of these reactions will proceed spontaneously, based on relative strength of reducing agents? Cu(s) + Fe2+ (aq) Cu2+ (aq) + Fe(s) Al(s) + Ca2+(aq) A13+ (aq) + Cals) Cr(s) + Zn2+(aq) Cr3+ (aq) + Zn(s) Al(s) + Ca2+ (aq) A/3+ "(aq) + Ca(s) Ba(s) + • Ca2+ (aq) --> Ba2+ (aq) + Ca(s)
For all of the following experiments, under standard conditions, which species could be spontaneously produced? A lead wire is placed in a solution containing Cu2+ yes no Cu yes no PbO2 yes no No reaction Crystals of I2 are added to a solution of NaCl. yes no I- yes no No reaction yes no Cl2 A silver wire is placed in a solution containing Cu2+ no yes Cu no yes No reaction no yes Ag+ Half-Reaction 8° (V) Half-Reaction 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60...