If the value of E_cell degree is 2.10 V for the reaction F_2(g) + 2Fe^2+ (aq) ri

Question

If the value of E_cell degree is 2.10 V for the reaction F_2(g) + 2Fe^2+ (aq) rightarrow 2Fe^3+ (aq) + 2F^- (aq) what is the value of E_cell degree for F(aq) + Fe^3+ (aq) rightarrow Fe^2+ (aq) + 1/2 F_2 (g)? a. -4.20 V b. -1.05 V c. 2.10 V d. 1.05 V e. -2.10 V Given: Al^3- (aq) + 3e^- Al(s); E degree = -1.66 V Cl_2 (g) + 2e 2Cl6- (aq) E degree = 1.36 V What is Delta G degree for the following cell reaction? 2AlCl_3 (aQ) 2Al(s) + 3Cl_2(g) a. -5.8 times 10^3 J b. 5.8 times 10^5 J c. -6.5 times 10^5 J d. -1.7 times 10^6 J e. 1.7 times 10^6 J What is E of the following cell reaction at 25 degree C? E_cell degree = 0.460 V. Cu(s) Cu^2+ (0.017 M) ||Ag^+ (0.18 M) |Ag(s) a. 0.468 V b. 0.2825 V c. 0.460 V d. 0.490 V e. 0.479 V What mass of chromium could he deposited by electrolysis of an aqueous solution of Cr_2(SO_4)_3 for 160 min using a constant current of 15.0 A? (F = 96485 C/mol) a. 0431 g b. 25.9 g c. 232.8 g d. 0.187 g c. 38.8 g

Explanation / Answer

Note that

we are just inverting the equation and dividing by 2

Recall that E° can't be divided, it is a measure of reducibility

so only inversion of sign will do

if

E° = 2.10

when we inver this

E° = -2.10 V

choose E

Related Questions

Navigate

• Browse (All)
• Browse I
• Subjects

---