Qualification > Sciences

WHAT THE HELL !!!!!!!!!!!!

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unknown 101:
for all the people taking biology AS (cie)
check question 25 in nov 03
and check question 27 in jun 08
they are the same question!!
so.....
am i imagining or do they have different answers in their mark schemes

????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

thomas234:
You do understand that there is a difference between solute concentration & solute potential, correct?

cashem'up:

--- Quote from: unknown 101 on May 24, 2010, 12:32:57 am ---for all the people taking biology AS (cie)
check question 25 in nov 03
and check question 27 in jun 08
they are the same question!!
so.....
am i imagining or do they have different answers in their mark schemes

????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

--- End quote ---

yea basically when we are considering solute conc the more the solute the greater conc.......
HOWEVER
its different for solute potential
u obviously noe distilled water has water potential of 0 and water potential is solute potential + pressure potential.........now here we have no pressure so water pot.= sol pot......which is 0......rite now as u can see the less the solute the higher the value of solute potential......so when we consider solute potential....... there is more solute so  solute potential will be more negative and the value is low

hope it helps  ;D ;D ;D
thx

unknown 101:

--- Quote from: thomas234 on May 24, 2010, 04:35:28 am ---You do understand that there is a difference between solute concentration & solute potential, correct?

--- End quote ---

ohhh, my bad i must have misread the question !!! :P

unknown 101:

--- Quote from: ima_shah2002 on May 24, 2010, 07:13:39 am ---yea basically when we are considering solute conc the more the solute the greater conc.......
HOWEVER
its different for solute potential
u obviously noe distilled water has water potential of 0 and water potential is solute potential + pressure potential.........now here we have no pressure so water pot.= sol pot......which is 0......rite now as u can see the less the solute the higher the value of solute potential......so when we consider solute potential....... there is more solute so  solute potential will be more negative and the value is low

hope it helps  ;D ;D ;D
thx

--- End quote ---


yea thanks it did :)

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