CHEM organic chem

i am really confused! i am doing the production of ethene from fractional distillation and i understand the whole concept of it

what i don't get is how i can write a balanced eqn to show how ethene can be produced from C14H30 (tetradecane?!)

i did

C14H30 ------> C7H14 + C7H16...but the alkene formed is not ethene...

help!!

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  1. I don't think cracking of C14H30 produces ONLY ethene. You need to know some of the other products, too. For example, you can see that it won't come out right.
    C14H30==> 7C2H4 + ??
    Even if no other products were formed that accounts for 14 C but nly 28 hydrogen atoms. I suppose you could put H2 for the other product; however, my reading about cracking oil and oil refineries talks about many products.

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  2. C14H30=2C2H4+C10H22

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