Identify spontaneous reactions from the following equation. Also for each of the

Question

Identify spontaneous reactions from the following equation. Also for each of the raction below calculate deltaG_m A + 2B rightarrow C; Edegree cell = -0.98 V, number of electrons = 2 A + B right arrow C; Edegree cell = +1.22 V, number of electrons = 3 A + B rightarrow 3C; Edegree cell = +0.15 V, number of electrons = 5 A + B rightarrow 2C; Edegreecell = -0.030 V, number of electrons = 1 Write down the andoe and cathode reactions based on the following information. Indicate the overall reaction and calculate cell potential. Calculate delta G value and K value, based on the information given below. Li^+(Aq) + e^- rightarrow Li(a) -3.03 V Al^3- (aq) + 3e^- rightarrow Al(s) -1.66V

Explanation / Answer

Positive value of E0 represents that the reaction is spontaneous.

Thus, reactions (b) & (c) are spontaneous.

2) anode reaction (oxidation) :-

Li(s) ------> Li+(aq) + e- ; E0 = 3.03 V

Cathode reaction (reduction) :-

Al3+(Aq) + 3e- -------> Al(s) ; E0 = -1.66 V

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