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Alenkasestr [34]
3 years ago
9

When a chemical reaction creates a thin film outline of an anmial or plant what type of preservation has occured?

Chemistry
1 answer:
klasskru [66]3 years ago
4 0
I believe carbonisation.
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how can I solve this ?4Al+3O2 produce 2Al2O3 find a) oxygen atoms needed to react with 5.4 g of aluminium b) grams of oxygen needed to react with 0.6 mol of aluminium?

(A) n=m/M,

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