Question

Please show the work

_{5. what type of cell is} H₂(g) ; H⁺ || Au³⁺ ; Au(s) (the asnwer is:voltaic but why)

7. How many grams of aluminum will 10 fardays plate out? (the answer is: 90)

8.Calculate the E^ocell for: 2Al + 3Cd²⁺ →2 Al³⁺ + 3Cd (the asnwer is; 1.26)

9.2Al(s) + 3Ca²⁺(aq) → 2Al³⁺(aq) + 3Ca(s) _; [Ca²⁺] =0.1 and  [Al³⁺] = 0.010 ; calculate Ecell (answer is 1.20)

Answer 1