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November 01, 2025, 11:03:54 am
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Author Topic: Errors!  (Read 6285 times)  Share 

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cindyy

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Re: Errors!
« Reply #60 on: June 05, 2010, 12:42:34 am »
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is it just me or do a lot of these chem things turn into methods ? Lolol
45 - 50 minutes, againn, CRAZY!! haha
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ghadz7

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Re: Errors!
« Reply #61 on: June 05, 2010, 12:43:57 am »
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guaranteed 50
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Martoman

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Re: Errors!
« Reply #62 on: June 05, 2010, 12:44:59 am »
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LOL

Chem is far more interesting though. And i always tend to drift off... so maybe ill have to settle for <50
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cindyy

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Re: Errors!
« Reply #63 on: June 05, 2010, 12:47:22 am »
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by less than 50 do you mean 49? hahaha
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ghadz7

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Re: Errors!
« Reply #64 on: June 05, 2010, 12:52:18 am »
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LOL
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Martoman

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Re: Errors!
« Reply #65 on: June 05, 2010, 12:57:36 am »
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Quote from: cindyy on June 05, 2010, 12:47:22 am
by less than 50 do you mean 49? hahaha

That... would be being a tiny bit up myself  ::)

nawwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww  :smitten: who am i kidding?

 49.5 :)
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2009: Math methods: 50, Psychology: 44
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2011: Holidaying, screw school.
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cindyy

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Re: Errors!
« Reply #66 on: June 05, 2010, 01:00:01 am »
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lol just a bit :P not much! haha but you can be up yourself since your awesome at chem!
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Martoman

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Re: Errors!
« Reply #67 on: June 05, 2010, 01:00:38 am »
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sigh the past 2 hours i've been confused with this titre thing.................
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stonecold

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Re: Errors!
« Reply #68 on: June 05, 2010, 01:06:50 am »
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I just want this bloody exam to be over with.

And I can't stop thinking about the fact that somewhere in a building in the city there is a room full of our exams just sitting there.  I keep trying to picture what is going to be on it, or wonder how I can steal a copy lol...
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Martoman

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Re: Errors!
« Reply #69 on: June 05, 2010, 01:08:16 am »
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OMG

OMG


Omg


I think about this all the time. Somewhere, beyond the mysterious beyond (yay land before time!) its there. Waiting. Like some beast in the shadows and we the prey. Waiting for its time to strike. Ever cautious. Waiting....
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chem-nerd

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Re: Errors!
« Reply #70 on: June 05, 2010, 01:15:16 am »
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Quote from: stonecold on June 05, 2010, 01:06:50 am
And I can't stop thinking about the fact that somewhere in a building in the city there is a room full of our exams just sitting there.  I keep trying to picture what is going to be on it, or wonder how I can steal a copy lol...

They're already at each school……….
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Martoman

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Re: Errors!
« Reply #71 on: June 05, 2010, 01:15:56 am »
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0.o

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stonecold

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Re: Errors!
« Reply #72 on: June 05, 2010, 01:17:52 am »
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Change of plans for tomorrow.  Ditching study and instead undertaking covert operation to break into my school and steal 1 x Chemistry Exam and 1 x Biology Exam.  Feel free to join me. :P
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Martoman

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Re: Errors!
« Reply #73 on: June 05, 2010, 01:22:53 am »
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I'm make the call to Jack Bauer.
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2009: Math methods: 50, Psychology: 44
2010: chem 47, further 48, Spesh 49 fml seriously and other yr 11 subs.
2011: Holidaying, screw school.
No. Not azn.
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fady_22

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Re: Errors!
« Reply #74 on: June 05, 2010, 09:08:10 am »
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Quote from: Martoman on June 04, 2010, 11:15:39 pm
OH RIGHT.

I've kept on reading things on dilutions and i'm like..... :idiot2:

Dilution is still a correct term to use.

If you dilute the known sample in the burette, you would require a greater volume (titre) to reach the endpoint (to deliver the same amount of mole). However, in your calculations, you would use the ORIGINAL concentration, and so the number of mole of both the known and unknown are calculated as greater than the true value, thus increasing the apparent concentration of the unknown solution.

Stonecold, I don't think that your explanation is completely correct because you are not using all of the solution in the burette, and so the amount of mole in the burette does not affect the titration as such. It is the concentration of solution in the pipette that actually affects the results.
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