Neither do chips, even if they all start as silicon from the ground. What the earlier comment was saying is that the actual composition of crude oil varies by location so you aren't necessarily getting the same ratio of finished products at the process. With silicon you have a bit more control over what goes into the fab. But you're still at the mercy of demand from the market.
The crude composition defines a range of possible products, not exactly ratios. Longer chain hydrocarbons are also cracked to yield more light products.
That way? I was trying to say that the mix of hydrocarbon molecules is different for each and every oil field due to local geological variation. Even within the field, since eg lighter molecules presumably come out first.
none of those finished products come out of the ground that way.
Neither do chips, even if they all start as silicon from the ground. What the earlier comment was saying is that the actual composition of crude oil varies by location so you aren't necessarily getting the same ratio of finished products at the process. With silicon you have a bit more control over what goes into the fab. But you're still at the mercy of demand from the market.
The crude composition defines a range of possible products, not exactly ratios. Longer chain hydrocarbons are also cracked to yield more light products.
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That way? I was trying to say that the mix of hydrocarbon molecules is different for each and every oil field due to local geological variation. Even within the field, since eg lighter molecules presumably come out first.