It is burning gas from the candle wax, the wick is also made up of mainly hydrocarbon with oxygen also present (this allows the candle to burn slowly), once the candle is out of oxygen to burn the candle will go out. Within the bluer regions, hydrogen is being separated from the fuel and burned to form water vapor. The brighter, yellower part of the flame is the remaining carbon being oxidized to form carbon dioxide
Write the chemical reaction:
Write the balanced chemical reaction:
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