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Author Topic: chem paper 1 doubt  (Read 3263 times)

Offline MaNa

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Re: chem paper 1 doubt
« Reply #15 on: May 20, 2009, 04:20:53 pm »
my book says air lock allows the bubbles of co2 to escape BUT doesnt allow th air to get in
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Q80BOY

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Re: chem paper 1 doubt
« Reply #16 on: May 20, 2009, 04:22:47 pm »
Quote from: mana on May 20, 2009, 04:20:53 pm
my book says air lock allows the bubbles of co2 to escape BUT doesnt allow th air to get in

ya, same here !!
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Offline annie_angel

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Re: chem paper 1 doubt
« Reply #17 on: May 20, 2009, 04:23:21 pm »
Quote from: mana on May 20, 2009, 04:19:32 pm
yea
which means its room temperature
w8 it should be 18-20 degree
so yea now it make sence why it is A
with heat
bcuz room temperature is 24 degree
n soo it fermentatrion will carry on
 
so it is A...air lock is used soctht oxygen doesnt get in or we would not get ethanol
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Offline annie_angel

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Re: chem paper 1 doubt
« Reply #18 on: May 20, 2009, 04:25:24 pm »
and cotton is used to let the co2 escape
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Offline MaNa

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Re: chem paper 1 doubt
« Reply #19 on: May 20, 2009, 04:26:50 pm »
yup it is A
bcuz heat is not required
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Q80BOY

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Re: chem paper 1 doubt
« Reply #20 on: May 20, 2009, 04:29:09 pm »
alrighty then,

too bad the person who asked the question isnt here,

Thanks for the help guys  ;) +REP to both of u
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Offline MaNa

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Re: chem paper 1 doubt
« Reply #21 on: May 20, 2009, 04:30:13 pm »
haha he will hopefully read thw whole thing n understand it
thanx for the +rep:D
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Offline annie_angel

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Re: chem paper 1 doubt
« Reply #22 on: May 20, 2009, 04:30:28 pm »
Quote from: Q80BOY on May 20, 2009, 04:29:09 pm
alrighty then,

too bad the person who asked the question isnt here,

Thanks for the help guys  ;) +REP to both of u
Thanks!
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Offline annie_angel

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Re: chem paper 1 doubt
« Reply #23 on: May 20, 2009, 04:31:26 pm »
 ;D and i thought i waz bad in chemistry!!!!;D
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Q80BOY

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Re: chem paper 1 doubt
« Reply #24 on: May 20, 2009, 04:32:36 pm »
Quote from: mana on May 20, 2009, 04:30:13 pm
haha he will hopefully read thw whole thing n understand it
thanx for the +rep:D

no one +REP me  :'(

lol, just joking  :P
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Offline annie_angel

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Re: chem paper 1 doubt
« Reply #25 on: May 20, 2009, 04:33:50 pm »
Quote from: Q80BOY on May 20, 2009, 04:32:36 pm
Quote from: mana on May 20, 2009, 04:30:13 pm
haha he will hopefully read thw whole thing n understand it
thanx for the +rep:D

no one +REP me  :'(

lol, just joking  :P
u got da answer rong... ;D
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