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Summary Chapter 8: Thermal Physics £5.56
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Summary

Summary Chapter 8: Thermal Physics

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  • Module
  • Physics A-level
  • Institution
  • Bachillerato
  • Book
  • A-Level Physics for AQA

Chapter 8: Thermal Physics. Physics A-level, AQA. It includes: thermal energy transfer, gas laws, ideal gas equation, pressure of an ideal gas, Ke and the development of theories.

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  • No
  • Chapter 8
  • January 25, 2023
  • 5
  • 2022/2023
  • Summary

Subjects

  • physics
  • physics a level
  • aqa
  • thermal physics
  • section 8
  • chapter 8 thermal physics

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Content preview

HERIYAL HYSICS
INTERNA L ENERGY & TEMP




SOLID Strong force of attraction
holding them togetner
◦
>



LIQUIDS but Stitt / each
randomly in
◦ > nave Contact w other

◦ GAS > random Movement & turner apart then a liquid



RobertBrowni.MY
"
Browni an Motion
"




stheexistanceofmoteculesw.RO/
•
tenis real/ y
atoms are fast (
heavy
VERY )

◦
atoms MOVC W / almost

random : -
distribution
-

Speed
-
direction




[ NTERNAL ENERGY :
sum of RANDOM distribution of the Kinetic el potential

energies of its motones .




Kinetic
Y temperature)
Motion



j°Kmm☒rama:averagekEofhN
-



PARTICLES
>
position no temes in a substance .




>
potential

-
St IAW Of THERMODYNAMICS :




Change of interna TOTAL energy transfer due

energy of the object to the Wark done & Keating .




Ice Point : 0°C

Steam Point : 100°C

Minimal KE > absolute Zero : -273.15°C =
0°C

triple Point of Water : 273.15K

, CHANGEOF STATE :




AQ =
MCAT


""" " " " "" ° "" " " " "




Que = -
Q
Hao


Melting Point




>




Melting points

SPE~ci-IA-EN-HF.AT""⊕ah
:
pure substances > Welt defined temperature



◦
latentheatof fusion ( hidden)
> vaporisati


temperature.PL
◦ fusion >
Melting of a Solid Energy neededtocnange the


◦ bond Making release energy e from >
SOLID to LIQUID without a
change in




hmm
"
LIQUID to VAPOUR




! LIQUID > GAS

MORE energy required
.




> Mass


Q -
-

m

energy r >
specific talent



? IQ
=
T
t MC t
solid ) riseinkmp ( per second )

YIN p
t.me / ! !
-




s =


t
, s mes

Kinetic THERMAL
>
engtnoftube
,
CONTINUOUS FLOW
,
HEATING :

AQ =
GPE =
mghn electrical inmersión
heater
> humber of times

It
◦
Copper COIIS



AQ CAT
g
=
Y
D=
f- CAT
v




-

IV
G- CAT
=

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