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Page 1

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]




CHEMISTRY AS
DEVELOPING FUELS (NOTES)
References: Chemical Storylines, Chemical Ideas
(OCR 21st Century), CGP
Made by Nabilah Chowdhury
Copyrighted




DF1: Vehicles of the future

El
ect
ri
c v
e hi
cl
es:

1
|
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Page 2

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]


PRO's CON's
C l
ean,
qui
et P oor
perf
orma nce
N o
exhaust
pol
lut
ion L ong
rechargi
ng t
imes b/
c ener
gy
is
t
ransf
err
ed
slower=
inconveni
ent…

Page 3

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]



Comb ust
ion
always
produces
C O2 and
H 2O. I
t
is
an
o xi
dati
on
react
ion
because
the
fuel
can'
t
rel
ease
ener
gy
unt
il
i
t
binds
w i…

Page 4

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]


CON's of oxygenated fuels PRO's of oxygenated fuels
More
oxy gen i
n f
uel less ener
gy
given
out
b/
c l
ess
Have hi
gh er
octane
numb e r

oxi
dat
ion is…

Page 5

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]



The
mass
of
1 mol
of
a
s ubst
ance
is
equal
to
the
R FM e.
g:
C H4
(g
)+ 202
(g
) CO2
(g
)+
2H2O (
l)
1 mol
of
:
CH…

Page 6

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]




4.1: Energy out, energy in
Law of conservation of energy:
Energy
cannot
be
destroyed
or
creat
ed but
onl
y t
ransf
err
ed f
rom
o ne
f
orm to anot
her.
Th e
total…

Page 7

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]



H c St
an dar
d H of
combust
ion
w hen
one mol
e of
a
substance
is
burnt
complet
ely
in
oxygen,
under
st
andard
condit
ions
of
1at
m and 298K,
i
n…

Page 8

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]




Wh en
me asur
ing
the ener
g y
produced
fr
om a
comp ound,
w at
er
is
used t
o mea sur
e t
he
amo unt
of
heat t
his
i
s because…

Page 9

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]


o
Temper
atur
e Af
ter
: 30 c
o
Temper
atur
e Di
ff
erence: 10 c

I
nit
ial
Mass: 160.
12g
Fi
nal
Mass: 159.
4Gg
Di
ff
e r
ence 0.
75g…

Page 10

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Chemi
cal
St
ory
li
nes
­Devel
opi
ng
Fuel
s [CHEMISTRY REVISION NOTES]


Many ent
halpy
changes
of
for
ma t
ion
react
ions
do
not
occur
under
standar
d condi
ti
ons,
and
so
they
cannot

be
dir
ectl
y measur
ed
how ever
t
hey can
be…

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