Can someone help me with this Chemistry? Watch

Sleep Deprived
Badges: 5
Rep:
?
#1
Report Thread starter 8 months ago
#1
Hi, could someone please help me with this? Idm if it's help or the mark scheme. Thank you! x

file:///C:/Users/robyn/Documents/Year%2011/Chemisty/Organic_12_marks_QQ%20(1).pdf
0
reply
Crow_M
Badges: 21
Rep:
?
#2
Report 8 months ago
#2
Unfortunately I can't open the file as that's a link to your pc, could you please take a screenshot of it and upload it here?
2
reply
Sleep Deprived
Badges: 5
Rep:
?
#3
Report Thread starter 8 months ago
#3
(Original post by Crow_M)
Unfortunately I can't open the file as that's a link to your pc, could you please take a screenshot of it and upload it here?
Tysm. Sorry if they're not in the right order :/
Attached files
0
reply
Sheperd23
Badges: 19
Rep:
?
#4
Report 8 months ago
#4
Screen shot 3 - fermentation. what does it use? Yeast. Yeast has? Enzymes. which work best at a temperature around 35.7 degrees, so 25 degrees will be the best of the lot there.

Then its distilled. Why? Becuase both ethanol and water are liquids, but have different boiling points. Which means they can be evaporated at different temp. By looking online, it says ethanol boils at 78 degrees, so it evaporates first, and can be cooled into a flask.

Biofuels - requires farmland - less food crops
The plants used to grow the biofuels absorb CO2, so less CO2 is released overall.
1
reply
Sheperd23
Badges: 19
Rep:
?
#5
Report 8 months ago
#5
Sorry, but i suggest you look online and dig out for knowledge if you can't do these questions, as they don't look too hard and independent learning is a good trait!
0
reply
Sheperd23
Badges: 19
Rep:
?
#6
Report 8 months ago
#6
But if you are struggling, do PM me ill help ya out
Make sure you understand what its asking btw.
0
reply
Sleep Deprived
Badges: 5
Rep:
?
#7
Report Thread starter 8 months ago
#7
(Original post by Kangaroo17)
But if you are struggling, do PM me ill help ya out
Make sure you understand what its asking btw.
Hi, sorry i'm still struggling on question 1,b,ii and c
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

University open days

  • University of Bradford
    Undergraduate and Postgraduate Open day Postgraduate
    Thu, 24 Oct '19
  • Cardiff University
    Undergraduate Open Day Undergraduate
    Sat, 26 Oct '19
  • Brunel University London
    Undergraduate Open Day Undergraduate
    Sat, 26 Oct '19

Would you turn to a teacher if you were being bullied?

Yes (76)
23.6%
No (246)
76.4%

Watched Threads

View All