year 1

Question 1

what is stronger pi or sigma

Answer 1

sigma

Question 2

dealing with waste polymer

Answer 2

combust for energy
separate and recycle
feedstock for cracking

Question 3

ozone formula for formation

Answer 3

O + O2 reversible arrow O3

Question 4

where is ozone

Answer 4

ozone lower atmosphere
pollutant
forms smog

Question 5

cl and ozone

Answer 5

Cl.+ O3  ClO.+ O2
ClO. + O.  O2 + Cl.
O3 + O.  2 O2

Question 6

no and ozone

Answer 6

NO+O NO +O
NO2+O O2+NO
O3 + O.  2 O2 OVERALL

Question 7

Anti-bumping granules are

Answer 7

added to the flask in both distillation and reflux to prevent vigorous, uneven boiling by making small bubbles form instead of large bubbles

Question 8

purify organic liquid

Answer 8

distillate of impure in sep funnel
wash product by adding sodium hydrogen carbonate shape and release pressure from co2 produced
allow layers to sep and discard aq layer
run organic layer into clean dry conical flask and add drying agent - clear
decant liquid to distillation flask and distil to collect product