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Bingel [31]
3 years ago
6

A reaction occurs in which carbon combines with oxygen to form carbon dioxide. Is this a chemical reaction or a nuclear reaction

, and how do you know? A. This is a chemical reaction because only the electrons were rearranged. B. This is a nuclear reaction, because mass was conserved C. This is a nuclear reaction because the atoms nuclei changed. D. This is a chemical reaction because some of the mass was not conserved​
Chemistry
1 answer:
Crazy boy [7]3 years ago
3 0

Answer:

A. This is a chemical reaction because only the electrons were rearranged.

Explanation:

A.P.E.X.

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A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.01962 mol of
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Answer:

The essence including its given problem is outlined in the following segment on the context..

Explanation:

The given values are:

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x = 0.01962

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Let the compound's formula will be:

C_{x}H_{y}O_{z}

Combustion's general equation will be:

⇒  C_{x}H_{y}O_{z}+x+(\frac{y}{4}-\frac{z}{2}) O_{2}=xCO_{2}+\frac{y}{2H_{2}O}

On putting the estimated values, we get

⇒  12\times x=1\times y+16\times z=0.4647

⇒  12\times 0.01962+1\times 0.03922+16\times z=0.4647

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⇒                     z=0.01187

Now,

x : y : z = 0.01962:0.03922:0.01187

           = \frac{0.01962}{0.0118}:\frac{0.03922}{0.0188}:\frac{0.0188}{0.0188}

           = 1.6:3.3:1.0

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Explanation:

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