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CHEM AND BIO HELP AND TIPS HERE

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MasterMath:

--- Quote from: Deniz on June 06, 2010, 11:01:12 am ---thx !!

--- End quote ---
And also Adding H2 to Alkenes .. Ni 200C
And Subs. with alkanes - UV light
And the reaction between Alcohol + Acid -->Ester + water .. condition hot C.Sulphuric acid
and Adding Steam to Alkenes Either Sulphuric acid 80C / Phosporic acid 300C and 70 atm
if i remember more ill tell you

Helium:
Anyone Drew this??

can't get the first, want to make sure of the second

Helium:
1 more Plzz, Whats with 09 and drawing :P

CatAly$t:
how do we know which reagent is in excess??

and how do u solve the fourth question??

Ivo:

--- Quote from: CatAly$t on June 06, 2010, 11:53:03 am ---how do we know which reagent is in excess??

and how do u solve the fourth question??

--- End quote ---

i) 8/64=0.125

ii) 14.2/71=0.2

iii) SO2 (The one which isn't in excess is the one with the least no. of moles)

iv) 0.125 (We use moles of limiting reagent)

v) 0.125*135=16.9g

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