Summary Edexcel A Level Physics Student Book 2 - Unit 9 - Thermodynamics

Thermodynamics

, ① Thermal
Energy Transfer
The specific heat capacity (a) Of substance is the amount of energy
·
a



required to l kg of a
increase the temperature of substance
by 12/1K
without changing its state
.


DE :
energy required
DE
m = mass
EB = Mc DO
C = Specific heat capacity
*O
change in
temperature
:

W




The specific latest heat (1) of substance amount of
energy required
·
a is the
the state of
to change lug of a substance without a change in temperature.

-

Latest heat of fusion-solid to
liquid
-
Latent heat of vaporisation -
liquid to gas



DE =
energy
EB DE = LM L = secific latent heat
m = MaS)