Chem Lab C

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Chem Lab C

Post by Jim_R » July 2nd, 2011, 6:31 pm

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Re: Chem Lab C

Post by XXGeneration » August 29th, 2011, 3:15 pm

About what level of chemistry is expected in Chem Lab? High school? AP?

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Re: Chem Lab C

Post by starpug » August 29th, 2011, 3:42 pm

AP Chem is probably advisable. That is not to say you can only have Honors Chem and study yourself and still do well.
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Re: Chem Lab C

Post by XXGeneration » August 29th, 2011, 3:52 pm

How closely related are periodicity and electrochemistry? I can't think of a direct way to connect them like last year's topic, aqueous solutions.

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Re: Chem Lab C

Post by haverstall » August 30th, 2011, 11:24 am

XXGeneration wrote:How closely related are periodicity and electrochemistry? I can't think of a direct way to connect them like last year's topic, aqueous solutions.
Just thinking off the top of my head, there has to be a few periodic trends that work with electrochem. For example, one trend is that if you move outward from the center of the periodic table, those elements are more likely to be used in redox equations. Also, I'm assuming electron affinity and ionization energy could come into play also.

I guess we'll have to see when the first tests come out!
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Re: Chem Lab C

Post by EastStroudsburg13 » August 30th, 2011, 12:25 pm

I'm pretty interested as to what lab stations are to be suggested for periodicity. To me, it seems mostly a theoretical thing. However, reduction potentials are periodic, as haverstall states. Metals are more likely to be oxidized, and nonmetals are more likely to be reduced.
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Re: Chem Lab C

Post by haverstall » November 22nd, 2011, 3:41 pm

Seeing as we already have a competition over with (Cyfalls, I believe), does anyone have any information about what types of labs could we see? Specifically related to periodicity?
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Re: Chem Lab C

Post by nadroj » November 22nd, 2011, 5:33 pm

Can anyone point me to where I can buy lab aprons and goggles that fit the requirements for this event? Also, will the same aprons and goggles fit the bill for forensics?

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Re: Chem Lab C

Post by haverstall » November 22nd, 2011, 5:39 pm

nadroj wrote:Can anyone point me to where I can buy lab aprons and goggles that fit the requirements for this event? Also, will the same aprons and goggles fit the bill for forensics?
This won't directly answer your question, but does a teacher at your school have these materials? They should be pretty standard for a chemistry classroom.

At our school, we just practice with the school materials, and at competition, our coach brings all the safety stuff. I don't know where you could purchase these for your own though.
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Re: Chem Lab C

Post by icyfire » December 2nd, 2011, 8:19 pm

Hey so since this forum has been kinda not very active...

In terms of Periodicity, I want to study the exceptions to the rules.
Ex. First Ionization energy, increases from left to right, decrease down group. However there are some elements that dont fit this trend, such as the trend from 2s2 to 2p1, those two elements dont follow this general "rule"

Anyone have any good sources/sites that explains these exeptions?

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