Question 1
How many seconds are required to produce 4.00 g of aluminum metal from the electrolysis of molten AlCl
3(l) with an electrical current of 12.0 A?
◦ 27.0
◦ 9.00
◦ 1.19 × 10
3◦ 2.90 × 10
5◦ 3.57 × 10
3Question 2
If the voltage of an electrochemical cell is negative then the cell reaction is:
◦ nonspontaneous
◦ slow
◦ exothermic
◦ spontaneous
◦ fast