An eclipse i’m pretty sure right? Lunar maybe?
Answer:
electrons are less than 1 amu, they are also negative charged. they are very small too
The answer is C. Strong nuclear force. Subatomic particles in the core of an atom (protons and neutrons) are held together by this type of force. The force is known to be one of the 4 fundamental forces of our universe.
Answer:

Explanation:
<em>Given:</em>
Mass of ferous (Fe) produced = 750 gram.
<em>To find:</em>
Mass of water produced= ?
<em>Solution:</em>
<em>Molar mass of Fe is 55.84 gram/</em><em>mol</em>
Let's find out the number of moles of ferous produced.

Substituting the given data in above formula.


Now the given reaction is,

- For every 3 mole of production of Fe, 4 mole of waters are produced.
- let for 13.43 moles of Fe x moles of H2O will be produced.
now calculate the number of moles of H2O


mass of one mole of H2O is 18 gram, so we can calculate mass of 17.90 moles.

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Molar mass of sulfur dioxide (SO2) is 64.066g/mol
molar mass of sulfur is 32.065 g/mol
thus, (32.065/64.066 )x100=50%