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November 01, 2025, 12:06:47 pm
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Author Topic: Free Trial Exam Available (solutions released)  (Read 6593 times)  Share 

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happyhappyland

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Re: Free Trial Exam Available
« Reply #15 on: June 05, 2010, 09:52:33 pm »
0
Quote from: naved_s9994 on June 05, 2010, 09:22:11 pm
Quote from: aznanthony on June 05, 2010, 08:56:21 pm
Anyone done it?  Is it worth doing?

Definetly worth doing. Engaging questions, with some challenges here and there.

Its alright.. I felt some questions were a bit irrelevant to our course though. THere are some challenging questions
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naved_s9994

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Re: Free Trial Exam Available
« Reply #16 on: June 05, 2010, 09:53:54 pm »
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Quote from: happyhappyland on June 05, 2010, 09:52:33 pm
Quote from: naved_s9994 on June 05, 2010, 09:22:11 pm
Quote from: aznanthony on June 05, 2010, 08:56:21 pm
Anyone done it?  Is it worth doing?

Definetly worth doing. Engaging questions, with some challenges here and there.

Its alright.. I felt some questions were a bit irrelevant to our course though. THere are some challenging questions

True, but thats good from linking up ideas :P
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vexx

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Re: Free Trial Exam Available
« Reply #17 on: June 05, 2010, 09:56:03 pm »
0
oooo awesome thanks, i may check it out! there seems to be a few spectro/chromo questions as i just flicked through which are good cos of the likeliness of bigger questions this year on these.
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2010 VCE: psychology | english language | methods cas | further | chemistry | physical ed | uni chemistry || ATAR: 97.40 ||

2011: BSc @ UoM

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happyhappyland

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Re: Free Trial Exam Available
« Reply #18 on: June 05, 2010, 10:00:01 pm »
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Questions I felt were irrelevant:

MC Q1. Electrical conduction thingy was more unit1/2 and unit 4

SA Q1a - I dont even understand the question, I could be just dumb though but I could understand all the VCAA and trial exam questions.

SA2b whats amu? its not even in the databook


However these was the questions I felt were well written

Question 2c and d
Q3d
5b
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stonecold

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Re: Free Trial Exam Available
« Reply #19 on: June 05, 2010, 10:02:37 pm »
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^ yeah, i looked at question 1 and saw that electrical conduction stuff, and was like, we haven't learnt this.  ceebs!
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m@tty

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Re: Free Trial Exam Available
« Reply #20 on: June 05, 2010, 10:03:28 pm »
0
Nice exam. Some MC are just o.0 but the rest seems quite decent.


AMU is atomic mass units, it is the units of mass of *one* molecule. Each unit represents the mass of one proton/neutron/H+.

Ionic compounds do not have a molecular formula as they form a lattice, and the extent to which this forms varies. So there is no molecular formula, only an empirical formula, which identifies the ratio in which elements are present in the lattice. (I think...)
« Last Edit: June 05, 2010, 10:07:49 pm by m@tty »
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KBT

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Re: Free Trial Exam Available
« Reply #21 on: June 05, 2010, 10:09:55 pm »
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Quote from: happyhappyland on June 05, 2010, 10:00:01 pm
Questions I felt were irrelevant:

MC Q1. Electrical conduction thingy was more unit1/2 and unit 4

SA Q1a - I dont even understand the question, I could be just dumb though but I could understand all the VCAA and trial exam questions.

SA2b whats amu? its not even in the databook


Thanks for that. We appreciate any and all feedback. Most of those concerns will be addressed in the solutions released tomorrow. In regards to question SA2b, amu stands for atomic mass units. Using amu wasn't meant to be a 'trick' or anything, that's just the unit in which molecular weight is measured by. It is equivalent to molar mass in the sense that a molecule with a molecular weight of 332.0 amu has a molar mass of 332.0 g/mol. Sorry for the confusion there.

Sorry about Q1 being a bit tougher in that you have to remember the relation between ionization and electrical conduction - please don't let that detract you from trying out the rest of the paper!  ;)
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See www.kbtlectures.com for free chemistry trial exams.

Planning to offer midyear and end-of-year lectures for Chemistry in 2011. 3 students with a collective 12 raw and 15 scaled 50s.

m@tty

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Re: Free Trial Exam Available
« Reply #22 on: June 05, 2010, 10:15:55 pm »
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With multiple choice question 1 the wording is confusing. I assume when you refer to "these" you are talking about the options given? Because when I first read it I thought you were talking about the conjugate of the conjugate...

Quote
The Lowry-BrØnsted acid-base conjugates for the following species were isolated and dissolved in
pure water. Which of these would produce the conjugate base with the greatest electrical conductivity
when it ionises in water?

Are you asking which of the options has the conjugate base with the greatest electrical conductivity?
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stonecold

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Re: Free Trial Exam Available
« Reply #23 on: June 05, 2010, 10:16:40 pm »
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I'll try it once the solutions come out. :)

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stonecold

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Re: Free Trial Exam Available
« Reply #24 on: June 05, 2010, 10:19:35 pm »
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On a side note, is it just me or does KBT kind of remind you BTK, the mass murderer guy in the USA?

http://en.wikipedia.org/wiki/Dennis_Rader
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2011-13: BBiomed (Microbiology & Immunology Major) @ UniMelb


VCE 2009'10: English 46 | English Language 49 | Chemistry 50 | Biology 50 | Further Mathematics 48 | Mathematical Methods CAS 39
ATAR: 99.85

"Failure is not when one falls down but rather when one fails to get up" - unknown

KBT

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Re: Free Trial Exam Available
« Reply #25 on: June 05, 2010, 10:20:21 pm »
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Quote from: m@tty on June 05, 2010, 10:15:55 pm
With multiple choice question 1 the wording is confusing. I assume when you refer to "these" you are talking about the options given? Because when I first read it I thought you were talking about the conjugate of the conjugate...

Quote
The Lowry-BrØnsted acid-base conjugates for the following species were isolated and dissolved in
pure water. Which of these would produce the conjugate base with the greatest electrical conductivity
when it ionises in water?

Are you asking which of the options has the conjugate base with the greatest electrical conductivity?

yep
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See www.kbtlectures.com for free chemistry trial exams.

Planning to offer midyear and end-of-year lectures for Chemistry in 2011. 3 students with a collective 12 raw and 15 scaled 50s.

8039

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Re: Free Trial Exam Available
« Reply #26 on: June 06, 2010, 01:42:23 am »
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Solutions?
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Stroodle

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Re: Free Trial Exam Available
« Reply #27 on: June 06, 2010, 01:47:48 am »
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lol. eager.

I'm not going to bed till they're posted.
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menashiiii

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Re: Free Trial Exam Available
« Reply #28 on: June 06, 2010, 01:52:13 am »
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78 marks, 6 short answer? a reflection of marking scheme for wednesday?
lets hope so.
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Stroodle

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Re: Free Trial Exam Available
« Reply #29 on: June 06, 2010, 01:55:28 am »
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