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Topic: chemical reactions  (Read 2293 times)

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Offline steven44121

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chemical reactions
« on: October 09, 2010, 01:45:02 PM »
chemical reactions:
Sodium hydroxide + copper (II) sulfate ==> Sodium sulfate + copper hydroxide
Aluminum + Copper Chloride ==> aluminum chloride + copper
Ethanol + oxygen ==> carbon dioxide + water
magnesium + oxygen ==>(with heat) magnesium oxide
Q- For each rxn explain lab improvements which would help you to better identify the products.
This is Gr. 11 chemistry. She says she does not want answers such as "cleaner test tubes", or "better measuring equipment". I have no idea what she is looking for .
Thanks for your help.

Offline Jzalkm

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Re: chemical reactions
« Reply #1 on: October 09, 2010, 09:36:19 PM »
suggestion: can test for gas where it is evolved.
use excess of one reagent where applicable.
filtration.
any test specific for MgO; MgO refractory material.

Offline steven44121

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Re: chemical reactions
« Reply #2 on: October 10, 2010, 01:54:37 PM »
Thanks a lot for your help thats a great idea.
Also, what exactly do you mean by filtration? Remember I'm in Grade 11 chemistry  :P

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