Qualification > Sciences

CHEM AND BIO HELP AND TIPS HERE

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CatAly$t:

--- Quote from: CatAly$t on June 06, 2010, 01:40:57 pm ---thx...

so the one with most moles means it's excess??always?

and the fourth one i still dont get it.... :'(

--- End quote ---

ivo??anybody? :'(

WARRIOR:

--- Quote from: Ari Ben Canaan on June 06, 2010, 02:27:40 pm ---
TELL US WHICH YEAR THIS IS FROM !!!!

--- End quote ---
Dont get blinded by anger :p

blackberry:

--- Quote from: Kimo Jesus on June 06, 2010, 02:13:13 pm ---

less concentraion = less molecules per unite volume , less molecules = less reaction , so less zinc gets used up

--- End quote ---

ya, but the same amount of product is formed wid either high or low conc. so wont usin less of reactant give you less of product?

Helium:
It's not that I'm bad at balancing just had difficulties

doing this one ;)

WARRIOR:

--- Quote from: blackberry on June 06, 2010, 02:32:21 pm ---ya, but the same amount of product is formed wid either high or low conc. so wont usin less of reactant give you less of product?

--- End quote ---
WRONG
concentraion affects the amount of product ! but yeh less reactant will give u less product :/ ur sayin opposite to wht u said

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