How many grams are there in 12.04 x 1024 molecules of H2O2?
1 answer:
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Answer:
i)
ii)
ii)
Explanation:
As the initial and final states of the sample are the same, the ΔU of the sample is, for the three cases
since
i)Reversibly so
can be calculated by
and because of the first law of thermodynamics
ii)Irreversibly with
we can calculate by the law of ideal gases
then w can be calculated by
and
iii)a free expansion so
(there's no work at vaccum) and