PPA - Enthalpy of combustion

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Anonymous
ID:
125642
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PPA - Enthalpy of combustion
Updated:
2012-01-02 11:45:57
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PPA Enthalpy combustion Chemistry
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Higher Chemistry - PPA - Enthalpy of combustion
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  1. The aim of this experiment was to determine the enthalpy of combustion of ethanol. List the five measurements that were made during the experiment
    • Initial mass of burner
    • Final mass of burner
    • Intital temperature (water)
    • Final temperature (water)
    • Volume of water
  2. What are the three formula needed to work out the enthalpy of combustion?
    • E = cmΔT
    • n = mass / FM
    • ΔH = E / n
  3. What kind of error in the experiment could cause the enthalpy of combustion in the experiment to differ from the real enthalpy of combustion?
    • Heat loss to the surroundings
    • Incomplete combustion of ethanol

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