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September 18, 2025, 07:38:54 pm
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Author Topic: Exam predictions  (Read 5742 times)  Share 

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Blakhitman

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Re: Exam predictions
« Reply #45 on: June 06, 2010, 08:59:26 pm »
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hahaha stuff using equipment, just pour the NaOH straight from the bottle and estimate how much you poured as the titre.

But I'm pretty sure adding water...copious amount(love that word) plus some weak base (forgot that bit haha that's why I fail) is sufficient.
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m@tty

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Re: Exam predictions
« Reply #46 on: June 06, 2010, 09:01:35 pm »
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Nah, water does neutralise it, add enough and you can get a pH close enough to 7.
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chansthename

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Re: Exam predictions
« Reply #47 on: June 06, 2010, 09:04:16 pm »
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Quote from: m@tty on June 06, 2010, 08:50:11 pm
That doesn't neutralise it. Simply spreads it all out....

Just do your titration on the floor :P

slight problem we don't know how much acid is on the floor for a proper titration. (But I love your answer, in fact I might post it on facebook for lolz)
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happyhappyland

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Re: Exam predictions
« Reply #48 on: June 06, 2010, 09:04:45 pm »
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Quote from: m@tty on June 06, 2010, 09:01:35 pm
Nah, water does neutralise it, add enough and you can get a pH close enough to 7.

water can range from 6.5 to 8.5 ;)
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Blakhitman

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Re: Exam predictions
« Reply #49 on: June 06, 2010, 09:05:23 pm »
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Yeah however my teacher said to mention weak base aswell, just a bit.
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iffets12345

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Re: Exam predictions
« Reply #50 on: June 06, 2010, 09:13:10 pm »
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Just to add to before, there are more marks this year, 75 instead of 73? What I don't understand is, 2008 was 78, but was easier. Is this due to the difficulty of the multiple choice in 2009 that made it a "long exam"?
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happyhappyland

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Re: Exam predictions
« Reply #51 on: June 06, 2010, 10:44:36 pm »
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Quote from: iffets12345 on June 06, 2010, 09:13:10 pm
Just to add to before, there are more marks this year, 75 instead of 73? What I don't understand is, 2008 was 78, but was easier. Is this due to the difficulty of the multiple choice in 2009 that made it a "long exam"?

The mark allocations were just not that generous
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m@tty

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Re: Exam predictions
« Reply #52 on: June 06, 2010, 10:47:55 pm »
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Also the fact that there were 10 different questions, the actual marks don't make that much difference to the length, but having 10 question stems to read and comprehend makes it long, I think.
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matt123

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Re: Exam predictions
« Reply #53 on: June 06, 2010, 10:49:19 pm »
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personally to be honest .. i found 2008 so much harder than 2009
lol .... i got 78% on 2008 .. and 92% on 2009 ..... the multiple choice in 2009 was straight forward .. only like 2-3 calculation questions ... everything else was basic .. i dont know how the a+ mark was 78% and the year before was 87% .....
my theory is ... there was ALOT of dumb people who sat chem last year ....putting the averages down etc etc ... hmmm

idk maybe i learned everything between the 2 days of study in between these trail exams
hmmm ... i doubt it ... i think its because ... in 2008 .. there was a lot more mol calculations than in 2009 ...
2009 was like .. apply knowledge and hydrocarbon business .. i dont even remember one question on bio fuels
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Studyinghard

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Re: Exam predictions
« Reply #54 on: June 06, 2010, 10:51:36 pm »
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Quote from: matt123 on June 06, 2010, 10:49:19 pm
personally to be honest .. i found 2008 so much harder than 2009
lol .... i got 78% on 2008 .. and 92% on 2009 ..... the multiple choice in 2009 was straight forward .. only like 2-3 calculation questions ... everything else was basic .. i dont know how the a+ mark was 78% and the year before was 87% .....
my theory is ... there was ALOT of dumb people who sat chem last year ....putting the averages down etc etc ... hmmm

idk maybe i learned everything between the 2 days of study in between these trail exams
hmmm ... i doubt it ... i think its because ... in 2008 .. there was a lot more mol calculations than in 2009 ...
2009 was like .. apply knowledge and hydrocarbon business .. i dont even remember one question on bio fuels

Could have been because the hype of 2009 exam being so hard was in your mind and you studied extra hard for it?

My theory: 2008 exam was the first year for the new course and always first year for new course is easy exam. Like was the case with physics last year.

So people werent prepared for 2009. They thought it would be another walk in the park but they got well..pwned.
In your mind you knew 2009 was hard from all the talk about it, prepared extra hard for it and did really good ^^.

yep good theory :D
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kyzoo

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Re: Exam predictions
« Reply #55 on: June 06, 2010, 11:00:36 pm »
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Mm I kind of hope this year's Physics is as ahrd to finish on time like Chem 2009, since none of the Physics exams (except VCAA 2006) have really pushed me for time.
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olly_s15

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Re: Exam predictions
« Reply #56 on: June 06, 2010, 11:03:24 pm »
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Quote from: kyzoo on June 06, 2010, 11:00:36 pm
Mm I kind of hope this year's Physics is as ahrd to finish on time like Chem 2009, since none of the Physics exams (except VCAA 2006) have really pushed me for time.

urgh cbf with physics i just wanna finish it quickly
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Martoman

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Re: Exam predictions
« Reply #57 on: June 06, 2010, 11:39:33 pm »
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Quote from: matt123 on June 06, 2010, 10:49:19 pm
personally to be honest .. i found 2008 so much harder than 2009
lol .... i got 78% on 2008 .. and 92% on 2009 ..... the multiple choice in 2009 was straight forward .. only like 2-3 calculation questions ... everything else was basic .. i dont know how the a+ mark was 78% and the year before was 87% .....
my theory is ... there was ALOT of dumb people who sat chem last year ....putting the averages down etc etc ... hmmm

idk maybe i learned everything between the 2 days of study in between these trail exams
hmmm ... i doubt it ... i think its because ... in 2008 .. there was a lot more mol calculations than in 2009 ...
2009 was like .. apply knowledge and hydrocarbon business .. i dont even remember one question on bio fuels

COULDN'T AGREE WITH YOU MORE!
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iffets12345

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Re: Exam predictions
« Reply #58 on: June 06, 2010, 11:49:42 pm »
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I think 2009 was a great exam. You don't want piss-easy exams like what I've heard about last years physics or even our non-cas methods ones....
because the careless mistakes will shoot you down!
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darkphoenix

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Re: Exam predictions
« Reply #59 on: June 07, 2010, 12:35:13 am »
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Quote from: iffets12345 on June 06, 2010, 11:49:42 pm
I think 2009 was a great exam. You don't want piss-easy exams like what I've heard about last years physics or even our non-cas methods ones....
because the careless mistakes will shoot you down!

Yeah agreed, cause then everyone will ace it if its too easy.
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