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14 December, 23:28

Which one of these gases needs the most amount of energy to ignite? Select one: 1. Butane 2. Propane 3. Ethylene 4. Hydrogen 5. Cyclohexane

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  1. 15 December, 00:24
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    The correct option is: 2. Propane

    Explanation:

    Minimum ignition energy, abbreviated as MIE, is the minimum energy required to ignite the flammable mixture of air at atmospheric pressure and room temperature. The unit used to measure this energy is millijoule, mJ

    The values of the minimum ignition energy for the following gases are:

    Butane = 0.25 mJ

    Propane = 0.26 mJ

    Ethylene = 0.07 mJ

    Hydrogen = 0.017 mJ

    Cyclohexane = 0.22 mJ

    Therefore, among the following gases, Propane requires the most ignition energy, 0.26 mJ.
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