V victorias Full Member 7+ Year Member Joined Dec 30, 2015 Messages 147 Reaction score 12 Feb 10, 2016 #1 Members don't see this ad. For this question, I got the right answer but I used a different method - I didn't take charge/electron into account. Q = It = nF n = (2x10^20)/(6.02x10^23) = 3 x 10^-4 So, I = nF/t ~ (3x10^-4)(10^5)/5 = ~ 6A Is my method still correct?
Members don't see this ad. For this question, I got the right answer but I used a different method - I didn't take charge/electron into account. Q = It = nF n = (2x10^20)/(6.02x10^23) = 3 x 10^-4 So, I = nF/t ~ (3x10^-4)(10^5)/5 = ~ 6A Is my method still correct?
Bruskie_77 Full Member 7+ Year Member Joined Dec 23, 2014 Messages 154 Reaction score 70 Feb 10, 2016 #2 Yes! Upvote 0 Downvote
A aldol16 Full Member 7+ Year Member Joined Nov 1, 2015 Messages 5,583 Reaction score 4,371 Feb 10, 2016 #3 victorias said: For this question, I got the right answer but I used a different method - I didn't take charge/electron into account. Click to expand... You actually did take charge into account. The Faraday constant gives you the charge per mole of electrons - that's its physical meaning. Think about what you're doing before you just go apply equations! Upvote 0 Downvote
victorias said: For this question, I got the right answer but I used a different method - I didn't take charge/electron into account. Click to expand... You actually did take charge into account. The Faraday constant gives you the charge per mole of electrons - that's its physical meaning. Think about what you're doing before you just go apply equations!