Q:

How hot is fire?

A:

Quick Answer

Wood fires usually burn at a temperature of around 1,950 degrees Celsius. The exact temperature of the flame is dependent on external conditions such as the type of fuel being burned, available ventilation and the form of oxygen available for combustion.

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How hot is fire?
Credit: Richard Riley CC-BY 2.0

Full Answer

The hottest flame ever produced artificially burned at a recorded 4,990 degrees Celsius. It was accomplished with dicyanoacetelyne as a fuel and an ozone atmosphere. Flames as cool as 120 degrees Celsius have been produced using precisely regulated fuel-air mixtures. This "cool fire" is only 20 degrees hotter than the boiling point of water, so the reaction has trouble maintaining combustion temperature and tends to go out quickly.

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Related Questions

  • Q:

    At what temperature does wood start to burn?

    A:

    When wood is completely dry and is not a type of artificial wood, the combustion temperature is generally 451 degrees Fahrenheit, according to the Argonne National Laboratory. However, there are many variables, such as moisture, oxygen ability and wood density, that come into play.

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  • Q:

    At what temperature does gasoline burn?

    A:

    Gasoline burns at 495 degrees Fahrenheit at standard atmospheric pressure. This ignition temperature is the lowest temperature at which gasoline may undergo combustion. If the temperature is lower than this, a fire is needed to ignite gasoline. If too little air is present, a higher temperature is needed.

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    Is fire a solid, liquid or gas?

    A:

    Fire is not a solid, a liquid or a gas because it is not a state of matter. Instead, it is a process of rapid oxidation in which heat and light are released. Fire can be used for both creative and destructive purposes.

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    Is fire a gas?

    A:

    Fire is primarily composed of several gases ignited by a source of heat and exposure to oxygen. Visible flames are the result of the energy given off through a chemical reaction caused by the burning of a fuel source.

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