O-levels,need help

[Periwinkle18]

I need some help,im doing my o'levels and i think chemistry is really hard i don't get the electrolysis part i don't know how to make the equations at the anode and cathode its really hard.i'm really week and are teacher goes really fast and if u ask her again she scolds us,so can anyone help me out and tell me what to do.When ever i try to solve a question i don't get the rite answer.
JazakAllah

 

[Periwinkle18]

how many of u r doing ur O'levels rite now can't anyone help me??

 

[Whatsthepoint]

Tell us the question!

 

[Periwinkle18]

There are 2 questions
Number 1 is

Chlorine is made by electrolysing a concentrated solution of sodium chloride.In a diaphragm cell a current of 6000 amperes is used. In order to obtain
3
12 X 10 (hat is to the power three)
decimeter cube (at r.t.p) of chlorine,for how long (to the nearest minute would the cell need to operate?
I'll post the next question after someone helps me out on this one.