Summary
Summary of Kinetics I topic
- Module
- Unit 8 - Energetics I
- Institution
- PEARSON (PEARSON)
Summaries all essential key points in Edexcel Chemistry Kinetics I
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enthalpy change heat energy change at constant pressure .Standard conditions 100k Pa and specified temp casualty 298K )
ethalpy level ¥ ,
2 CO ' 9) -
different to enthalpy
diagram for : Profile
sÉ
, where activation
" ' -1
(g) +172,4my
is < ✗0 AH =
%
→ is shown
+ [ + coz energy
-
, , (g) §
"
DH = +
I7-2KJ men -
standard enthalpy enthalpy change measured at
☐< is the
change of combustion 100hPa and a specified temp (usually 298k )
more
when one
of a substance is
completely
burned in
oxygen
.
Experiment to
weigh a spirit burned ( with liquid) and add a
_
measure DCH of a known volume of water to a copper can and
liquid the burner and
measure its temperature .
Light
constantly stir with thermometer to distribute
"
incr has
energy / temp enemy . When about 20
been reached , extinguish flame and
weigh
spirit burner ( calc D.mass ) and take temp
again ( calc ☐ temp ) .
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