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3.2 Physical chemistry
3.2.1 Enthalpy changes
Calorimetry
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Specific heat capacity
is the energy required to raise the temperature of one gram of a substance by one
kelvin
q
(
energy
supplied/removed as heat) =m(
mass
)c(specific heat capacity)
ΔT
(temp change)
Mass
=
density
*
volume
The
specific heat capacity
of solution is often assumed to be the same as the heat capacity of water (
4.2J g^−1K^−1
).
delta H
=(q/1000)/
moles