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Darina [25.2K]
3 years ago
8

What type of crust is bigger Continental or Oceanic

Chemistry
2 answers:
weqwewe [10]3 years ago
6 0
I think it is the Oceanic
nadezda [96]3 years ago
3 0
If you mean which of the two is denser, then you want the oceanic crust.
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2. n = mass/molar mass = (4000 g)/(159.69 g/mol) = 25.05 mol.

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125 g O2 x 1 mol O2/32 g x 2 mol HgO / mol O2 = 7.81 moles HgO

------------------------------------------------------------------------------------------------------------

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Fe₂O₃ + 3CO → 2Fe + 3CO₂,

It is clear that 1 mol of Fe₂O₃ reacts with 3 mol of CO to produce 2 mol of Fe and 3 mol of CO₂.

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n = mass/molar mass = (4000 g)/(159.69 g/mol) = 25.05 mol.

Using cross multiplication:

1 mol of Fe₂O₃ need  → 3 mol of CO to react completely, from stichiometry.

25.05 mol of Fe₂O₃ need  → ??? mol of CO to react completely.

The no. of moles of CO are needed = (3 mol)(25.05 mol)/(1 mol) = 75.15 mol.

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