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RSS  Chemistry discussion, revision and homework help.
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Old 05-03-2009: 5th March 2009 18:48 #1 
LoveChild92 LoveChild92 is offline Female
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Question AS Evaluative Exam - Enthalpy!
 
Hi!!!!
Just got one of those annoying practial things soon and I need help! Please?
I've got my Evaluative one and I've been told it's about enthalpy....

So what kind of things should I revise for, will there be calculations in the exam?

Please reply sooooon

Thanks!!!!

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Old 05-03-2009: 5th March 2009 19:37 #2 
smflesh smflesh is offline Male
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Default Re: AS Evaluative Exam - Enthalpy!
 
This is a guess but if it was me, I would look over everything that I have been taught that relates directly to enthalpy so..
Definitions (e.g. enthalpy of formation / combustion / reaction and Hess's Law)

Calculations are a possibility and it wouldn't hurt to revise and look over how to calculate enthalpy changes (with AQA it's q = m x c x T). Hess's Law and calculating bond enthalpies are a possibility but in my opinion, calculating enthalpy changes as described earlier is more common.
Old 05-03-2009: 5th March 2009 19:57 #3 
LoveChild92 LoveChild92 is offline Female
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Default Re: AS Evaluative Exam - Enthalpy!
 
Okay, will take that into account.
Thank you!
Old 05-03-2009: 5th March 2009 22:04 #4 
smflesh smflesh is offline Male
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Default Re: AS Evaluative Exam - Enthalpy!
 
Originally Posted by LoveChild92
Okay, will take that into account.
Thank you!
No problem, good luck
Old 07-03-2009: 7th March 2009 16:45 #5 
The_wise The_wise is offline Male
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Default Re: AS Evaluative Exam - Enthalpy!
 
Originally Posted by LoveChild92
Hi!!!!
Just got one of those annoying practial things soon and I need help! Please?
I've got my Evaluative one and I've been told it's about enthalpy....

So what kind of things should I revise for, will there be calculations in the exam?

Please reply sooooon

Thanks!!!!


When is it?
Old 08-03-2009: 8th March 2009 17:12 #6 
LoveChild92 LoveChild92 is offline Female
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Default Re: AS Evaluative Exam - Enthalpy!
 
I've already had it but thanks for the help!
 
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