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Flauer [41]
3 years ago
14

In which reaction is there a transformation of mass into energy? For A P E X

Chemistry
2 answers:
natulia [17]3 years ago
7 0

Answer:

A, person above me correct

Explanation:

Alik [6]3 years ago
5 0
This is called
Nuclear fusion
Example is two hydrogen atoms fuse to form a helium atom
Where some of the atoms of hydrogen turn in to energy
So the answer is A
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Explanation:

Hello there!

In this case, according to the given chemical reaction, it is possible to evidence the 4:3 mole ratio between oxygen and iron (II) chloride; thus, we can compute the moles of the latter that are consumed by the given molecules of the former:

n_{FeCl_2}=4.32x10^{21}molec O_2*\frac{1molO_2}{6.022x10^{23}molec O_2} *\frac{4molFeCl_2}{3molO_2} \\\\n_{FeCl_2}=0.0095molFeCl_2

Now, since we have a 0.945-M solution of this iron (II) chloride, the corresponding volume turns out to be:

V=\frac{n_{FeCl_2}}{M}\\\\V=\frac{0.00956mol}{0.945mol/L}\\\\V=0.01012L\\\\V=10.12mL

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