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Energetics 3

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by

Harvey Buckle

on 26 July 2018

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Transcript of Energetics 3

Energetics 3
Two reaction types 1
The ENTHALPY of a system is a measure of the INTERNAL ENERGY of a system. It reflects the capacity to release heat.
The INTERNAL ENERGY of a system is related to the POTENTIAL and KINETIC energies of the particles.
Aim
To know how and why we extrapolate our graphs
To evaluate our experiment
To know two reaction energy change types
To calculate the enthalpy change for our reaction
To begin display work
Q = McT
Watch the board
Two reaction types 2
Enthalpy of combustion is the enthalpy change when 1 mole of substance in its standard state is completely burned in Oxygen under standard conditions (298K and 101Kpa)

Enthalpy of formation is the enthalpy change when 1 mole of substance is formed in its standard state from its constituent elements under standard conditions (298K and 101KPa)


Extrapolation
Enthalpy change
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