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Chemistry Help HERE ONLY !!

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ZeroZero82:

--- Quote from: zara on May 29, 2009, 10:31:04 am ---
--- Quote from: ZeroZero82 on May 29, 2009, 10:06:37 am ---Heat until crystallisation point. Cool 'til crystals appear, then dry. ;D

Can anyone tell me what is modern proccess?

--- End quote ---
hey.....ur 4gettin sum points...hv a luk on my post...
filterin n washin with distilled water are vry essential points.....

n wats modern process??

--- End quote ---

yea you're right i forget them :P

there's a question in nov.2005 Q7) about modern process  ???

unknown 101:

--- Quote from: ZeroZero82 on May 29, 2009, 10:30:46 am ---
--- Quote from: LilWayne on May 29, 2009, 10:28:42 am ---
--- Quote from: ZeroZero82 on May 29, 2009, 10:06:37 am ---Heat until crystallisation point. Cool 'til crystals appear, then dry. ;D

Can anyone tell me what is modern proccess?

--- End quote ---

modern process for wat?

--- End quote ---
nov.2005 Q7)

--- End quote ---


7)a) reacting hydrocarbons with steam, or electrolysis of brine ( any one of the 2)
b)i) iron
ii)because lower temp would shft equiliberium to the right (cuz forward reaction is exo) in order to increase temp thus increasing yeild

unknown 101:
ohh sh*t, i thought u wanted the answers, lool,
 the modern process:
catalyst iron
ATM of 250
temp of about 450

ZeroZero82:
N2 + 3H2 <--> 2NH3      this is the habor process?

modern process is used to obtain what?

unknown 101:

--- Quote from: ZeroZero82 on May 29, 2009, 10:41:04 am ---N2 + 3H2 <--> 2NH3      this is the habor process?

modern process is used to obtain what?

--- End quote ---


its also used to obtain ammonia, the old haber process in nov05 Q7 uses different conditions than the new way

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