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June 17, 2024, 05:45:34 am
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Author Topic: Chemistry 3/4 2013 Thread  (Read 374493 times)  Share 

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Mr Keshy

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Re: Chemistry 3/4 2013 Thread
« Reply #45 on: December 18, 2012, 10:49:39 pm »
0
Quote from: teletubbies_95 on December 18, 2012, 10:46:47 pm
Our school uses Heinemann !

Great, that means I can ask you when I'm stuck on a specific question then :P
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teletubbies_95

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Re: Chemistry 3/4 2013 Thread
« Reply #46 on: December 18, 2012, 10:54:49 pm »
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hhaha sure :)
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teletubbies_95

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Re: Chemistry 3/4 2013 Thread
« Reply #47 on: December 19, 2012, 04:20:44 pm »
0
Hi guys!
Had a question:
What is  a "secondary solution"? I've been looking a few text books , but Im getting confused on what it means (ie. Nelson) in relation to  primary and standard/
I know a primary solution is a solution which can be measured easily and the solution doesn't react with environment(ie.CO2),etc, while a standard solution is that in which the concentration is known.

Thankyou!!
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2012: Psychology(46) Biology (44)
2013: Chem(41)---EngLang(44)--HealthnHuman(47)---Methods(41)--DEAKIN PSYCH(4.5)
ATAR=99.10! :) umat=94ile
i liek lala :) arre bhaiya aal izz well :) <3

Homer

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Re: Chemistry 3/4 2013 Thread
« Reply #48 on: December 19, 2012, 04:26:34 pm »
+2
A standard solution is a solution of accurately known concentration.
A primary standard is a substance that is readily obtained in a pure form, has a known formula and can be stored without deteriorating or reacting with the atmosphere. It should also be cheap and have a high molar mass.

For secondary Solution -- A solution that has been titrated against a primary standard solution.

furthermore, http://answers.yahoo.com/question/index?qid=20081217233920AACtoZD
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Mr Keshy

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Re: Chemistry 3/4 2013 Thread
« Reply #49 on: December 19, 2012, 04:28:12 pm »
+1
Quote from: teletubbies_95 on December 19, 2012, 04:20:44 pm
Hi guys!
Had a question:
What is  a "secondary solution"? I've been looking a few text books , but Im getting confused on what it means (ie. Nelson) in relation to  primary and standard/
I know a primary solution is a solution which can be measured easily and the solution doesn't react with environment(ie.CO2),etc, while a standard solution is that in which the concentration is known.

Thankyou!!


hey, not sure if this helps but.. http://www.swtafe.vic.edu.au/toolbox/lab_ops/laboratory/studynotes/snLaboratorySolutions.htm

« Last Edit: December 19, 2012, 04:30:43 pm by Keshimba »
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Re: Chemistry 3/4 2013 Thread
« Reply #50 on: December 19, 2012, 04:36:59 pm »
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Thanks ! I get it .
sos for the dumb question!
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Mr Keshy

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Re: Chemistry 3/4 2013 Thread
« Reply #51 on: December 19, 2012, 04:51:47 pm »
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Quote from: teletubbies_95 on December 19, 2012, 04:36:59 pm
sos for the dumb question!

As everyone will tell you "there's no such thing as a dumb question."

It's still a concept I can't grasp though haha.
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teletubbies_95

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Re: Chemistry 3/4 2013 Thread
« Reply #52 on: December 19, 2012, 05:00:22 pm »
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PEOPLE ASK MORE QUESTIONS!
i really enjoy answering questions.

@kesh: haha. i am pree dumb, its unit 2 stuff!
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i liek lala :) arre bhaiya aal izz well :) <3

Mr Keshy

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Re: Chemistry 3/4 2013 Thread
« Reply #53 on: December 19, 2012, 05:03:27 pm »
+1
Quote from: teletubbies_95 on December 19, 2012, 05:00:22 pm
PEOPLE ASK MORE QUESTIONS!
i really enjoy answering questions.

@kesh: haha. i am pree dumb, its unit 2 stuff!

If I start, I dun stop.

Also, to ask questions. You need to start homework first haha. But when I work up the courage, I'll be posting consistently. Have no doubts on that!
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thushan

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Re: Chemistry 3/4 2013 Thread
« Reply #54 on: December 19, 2012, 05:27:55 pm »
+1
Quote from: teletubbies_95 on December 19, 2012, 05:00:22 pm
PEOPLE ASK MORE QUESTIONS!
i really enjoy answering questions.

@kesh: haha. i am pree dumb, its unit 2 stuff!

This is really really good. Keep it up guys. Also, my notes for the entire course are in the Notes section of this website if you wish to use them!
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Re: Chemistry 3/4 2013 Thread
« Reply #55 on: December 19, 2012, 05:32:36 pm »
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Yeh :0 I was reading them today. they are really good. :)
Thanks for the encouragement!
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2012: Psychology(46) Biology (44)
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i liek lala :) arre bhaiya aal izz well :) <3

thushan

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Re: Chemistry 3/4 2013 Thread
« Reply #56 on: December 19, 2012, 05:37:36 pm »
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Quote from: teletubbies_95 on December 19, 2012, 05:32:36 pm
Yeh :0 I was reading them today. they are really good. :)
Thanks for the encouragement!

Haha thanks! And no worries!
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Homer

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Re: Chemistry 3/4 2013 Thread
« Reply #57 on: December 19, 2012, 08:12:33 pm »
+1
DO you guys know what the first sac is going to be about :o
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Re: Chemistry 3/4 2013 Thread
« Reply #58 on: December 19, 2012, 08:15:10 pm »
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Quote from: Homer on December 19, 2012, 08:12:33 pm
DO you guys know what the first sac is going to be about :o

Usually a gravimetric or a volumetric analysis.

I like your new nickname btw Homie. :P
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Homer

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Re: Chemistry 3/4 2013 Thread
« Reply #59 on: December 19, 2012, 08:21:48 pm »
+1
hehe, btw Ive always been getting confused with the types of bonds. Does anyone have useful source where I could grasp a thorough understanding about the different types of chemical bonds?
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