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Any Chemistry people?

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Old 03-21-2012, 05:43 AM   #61
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Convert to moles:
http://misterguch.brinkster.net/molecalculations.html

How long have you (your class) been working on the stoichiometry section? You've got to post up before you're in panic mode!!
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Old 06-08-2012, 12:45 PM   #62
I phucking hate people >:(
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Ok guys, this one is phucking killing me,

A person has a brain that weighed 1.20 kg and contained 1.35x10^10 cells. Assuming that each cell is completely filled with water (density of water= 1.00g/ml), calculate the length of one side of such a cell if it were a cube.

In cm:

If the cells were spread out into a single layer that was a single cell thick, what would the surface area be in square meters?





I need help figuring out the problem, I don't want just the answer, if anyone can help it would fucking rock!!!!
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Old 10-02-2013, 12:10 PM   #63
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Whooo!!!! UPDATE!!!!

So I'm now in college chem and its kicking my ass! haha everything that we covered in a year of high school chem has been covered in a month. Im back to trying to figure out limiting reactants and percent yield. Exam is tomorrow at 8pm CST. Studying all day and tomorrow. Was curious to see if anyone had a good way of finding the limiting reactant and percent composition of elements in chemical formulas. Thanks in advance for any help! Ready to be done with Chemistry!
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