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9 March, 14:26

Determine the fuel value in kj/g for acetylene.

Answers (1)
  1. 9 March, 15:30
    Acetylene = 49.9 MJ/kg = 49.9 kJ / g

    Benzene = 41.8 MJ/kg = 41.8 kJ / g

    Fuel is combusted electrically within a container surrounded by a water jacket. Heat passes to the water and the temperature rise is recorded. Then the amount of heat per gram of substance is determined using this equation:

    Q = mC∆T


    Q = heat (Joules)

    C = heat capacity of water = 4.18 J/g

    ∆T = temperature change (ºC)
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