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frosja888 [35]
3 years ago
12

Which moon phase comes after a first quarter moon? (Show and label it)

Chemistry
1 answer:
Valentin [98]3 years ago
4 0

Waxing gibbous is the phase of the moon that comes after the first quarter.

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Answer: Mass of Fe_2O_3 required to form 930 kg of iron is 1328 kg

Explanation:

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}      .....(1)

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\text{Moles of iron}=\frac{930000g}{56g/mol}=16607mol

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By Stoichiometry of the reaction:

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So, 16607 moles of iron will be produced by = \frac{1}{2}\times 16607=8303moles of Fe_2O_3

Now, calculating the mass of Fe_2O_3 from equation 1, we get:

Mass of Fe_2O_3 = moles\times {\text {molar mass}}=8303\times 160=1328480g=1328kg

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