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How is your preperation for Chem Unit 2 ???
The thermal stability increases as down the group, the size of the cation increases. This means that the polarizing power is reduced, and thus the anion is more stable. Also, the energy released as the 2+ and 2- charges get closer together is smaller. -
How is your preperation for Chem Unit 2 ???
Thanks, I think I can explain that better to be honest :) -
How is your preperation for Chem Unit 2 ???
I think he was. And a quick question for anyone :P Uhh, when we talk about thermal stability of carbonates and nitrates, can we describe it in terms of polarising power? Or do they prefer if we talk about the energy released when the ions come together to form the oxide and carbon dioxide? Or... -
How is your preperation for Chem Unit 2 ???
Good luck to everyone today :) May the paper go well for everyone! -
How is your preperation for Chem Unit 2 ???
Uhh, disproportionation And just finding oxidation numbers, and thus identifying the processes that are happening :P -
BIOLOGY UNIT 2 EXAM ??? HOW DID YOU FIND IT ?
You can have over 100% it was an increase by 4 times, and thus 400% -
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BIOLOGY UNIT 2 EXAM ??? HOW DID YOU FIND IT ?
Yeah thats what I meant :P I described like the rER and synthesis, then what happens in the Golgi, and then how it leaves. And the sclerenchyma and the xylem contain lignin I believe. -
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AS chemistry Unit 2.. Ready?
http://www.xtremepapers.com/community/threads/edexcel-january-2012-question-papers-mark-schemes-all-gce.11898/page-2#post-243593 -
How is your preperation for Chem Unit 2 ???
Just read through notes and solve papers, and hopefully everything will be okay. You can only do your best with the limited papers we have :P -
BIOLOGY UNIT 2 EXAM ??? HOW DID YOU FIND IT ?
It was about what happens to it within the cell, from amino acids, until it leaves the cell and enters the style as an enzyme.. -
BIOLOGY unit 2 doubts here =]
Nucleolus because it was within the double nuclear membrane. -
BIOLOGY UNIT 2 EXAM ??? HOW DID YOU FIND IT ?
I thought it went pretty good :) -
BIOLOGY unit 2 doubts here =]
Which stems from Game of Thrones and Eddard Stark :) -
BIOLOGY UNIT 2 EXAM ??? HOW DID YOU FIND IT ?
Don't think anyone has done it yet :) -
BIOLOGY unit 2 doubts here =]
Hmm. Not sure if that was a Song of Ice and Fire reference or not :P -
BIOLOGY unit 2 doubts here =]
Good luck to you too :) Lets hope it all goes well. -