cellulose (1 Viewer)

[metalicarulez]

identify that cellulose contains the basic carbon-chain structures needed to build petrochemicals and discuss its potential as a raw material

on many of the notes on this site it says each glucose unit has "4 carbons joined in a chain" so can be the building blocks for ethene, propene, butene ...

mm but when i look at the diagram for glucose i see six carbonz?

anyone explain y it is four carbons?

 

[ND]

Because conquering chemistry stuffed it up. It is in fact 6.

 

[abdooooo!!!]

Originally posted by metalicarulez
on many of the notes on this site it says each glucose unit has "4 carbons joined in a chain" so can be the building blocks for ethene, propene, butene ...

what notes? bored notes? hahaha... idiots

hardcore rote learners with notes copied from textbook without any thought of whether it actually makes sense. but then again, thats what you need to become the best at chemistry.

 

[:: ck ::]

lol i was thinking about this the other day when i was reading other pplz notes...

oh well i guess wut i thought was rite... 6 it is

 

[fuckfoot]

god i was doing my notes for this today!
and i kept staring at the notes and some diagram... squinting... talking to it... "make sense... please! i don't understand what you're saying"
and now i bloody well get it

 

[mercury]

don't always believe the books, believe yourself if you have good reason too even the best books have mistakes

 

[kimmeh]

Originally posted by :: ryan.cck ::

oh well i guess wut i thought was rite... 6 it is

think of it as a hexagon. each corner has a carbon on it

 

[Constip8edSkunk]

copy and pasted from an earlier post:

beta-glucose w/o Hydrogen shown

........CH2OH
.........|................
........C-------O....OH
....../..............\...|
..C/..................\C
..|..\..OH........../
.OH..\..|........./
.........C_____C
...................|
...................OH


perhaps, when they say 3, 4 Carbon chains, they mean that the ring have potential to be broken into chains with 3 or 4 carbond atoms? *shrugs*

 

[abdooooo!!!]

Page 23 bottom paragraph: 'Each glucose unit of cellulose has six carbon atoms ...' (not four)

this is confirmation from Mr Roland Smith himself.

 

[Xayma]

Originally posted by kimmeh
think of it as a hexagon. each corner has a carbon on it

Umm one of the corners on Celluslose is an Oxygen

 

[abdooooo!!!]

Originally posted by Xayma
Umm one of the corners on Celluslose is an Oxygen

thats what you believe... but where is the other carbon... oh wait its connected to the one of the carbons in the hexagon beside the O.