Eli5: why do explosives explode and flammables simply go on fire?

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As the title says, dynamite will explode, but other fuels simply catch on fire. Is there a hidden difference? Or is it simply that one catches on fire more violently?

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Anonymous 0 Comments

It depends on the particular explosive, but the main difference is explosives pack their own oxidizer in them. When a gallon of gas burns the only part that burns is the part hot enough and exposed to air. Explosives have the oxidizer mixed in with the fuel so it can burn all at once. That’s why oxygen, although not flammable, makes fires significantly more dangerous.

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