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Paper 1
P3
Specific heat capacity & Latent heat
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Cards (6)
Specific latent heat - the amount of
energy
needed to
change
the
state
of
1kg
of a
substance
without
changing
its
temperature
šø =
ššæ
-(
Specific latent heat
)āØ
šø-
energy
needed to
change state
(
J
)
š-
mass
(
kg
)
šæ-
specific
latent
heat
(
J/kg
)
Specific heat capacity - the
amount
of
energy
needed to
raise
the
temperature
by of
1 kg
of a substance by
1 Ā°C
āšø =
šcāš-
(
specific heat capacity
)āØ
āšø-
change
in
thermal
energy
(
J)
š-
mass
(
kg
)
c-
specific
heat
capacity
(
J/kgĀ°C
)
āš-
change
in
temperature
(
Ā°C
)
Specific latent heat of fusion - the
specific
latent
heat
of
changing
between a
solid
and
liquid
Specific latent heat of vaporisation - the
specific
latent
heat
of
changing
between
liquid
and
gas
