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Summary A Level AQA Physics Thermal Physics revision notes
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In depth notes on thermal physics including diagrams, photos and examples
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~Kelvin ->
Celcius -
273 15 .
Latent fleat Gas Laws
1
Kelvin Energy P
273 15 required to the State
Celcius
Change
+
DIRECTLY PROPORTIONAL to presence
-
>
Temp
.
of material without
Specific Heat required to lkg any change with CONSTANT VOLUME
capacity
a
energy
-
of of temperature PX
raise temperature
Y5kg 1kg material
by 11 (1 )
%
pressure is caused
by gas Molecules COLLIDING
↓
specific heat capacity without
of
a
=M Latent
with surfaces of the
↳ affected
container
T
Q m change TEMPERATURE VOLUME OF CONTAINER
by
=
Energyheat
,
State
ja I ↳change I
in
temp NUMBER OF GAS PARTICLES
energy
mass of
(Kor'd Latent heat of
PV
p
4 K
=
substance
required to
=
Energy
,
change (liquid)(g)
-
FUSION
(5) of sud
1kg T
Melt K,
P = =
12
First law of thermodynamics Internal of
energy
F 19
-- a
system is increased when
Latent heat of Energy required T =
KV orV =
KT
=
VAPOURISATION
energy is transferred to it to
vapourite /19 Pressure (Pa) =
PU
of ligid
by heating or when work
-
:
F
↑
-
I
is done. > Boltzman Constan
-
Method of misctures Grate
↓ Temperature (1
paythermo
1 :
example a
number
Cold water hot water of molecules
-
Thermal
Y insulation Physics a
g. [mol of Nitrogen
60 e
859 Missed 870 mised known
quantities of
.
we
.
74 + cold
18 C
779 not
°
water
.
Ice cube Ice -15 Calculate pressure
.
,
in water
%
54 Hot water
old water
lost
energy
to the PV =
(nxNa)kT
is
-
= water g cons
Q -
.
Q
of
cold 70 C ° no
moles
Arogadros n
constant (6 .
02
energy
Energy lost
by water Energy gained by the ice
Gold
SH)
M
=
= M
?
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