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Zina [86]
3 years ago
11

In a redox reaction what happens to a substance's charge when it is oxidized

Chemistry
1 answer:
Temka [501]3 years ago
5 0
<span>oxidizing substance removes electrons from another substance, which are then added to itself, the oxidizing substance becomes “reduced” (more negative). And because it “accepts” electrons .</span>
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Balance the equations below by adding coefficients. Enter a number in each blank, entering "1" when necessary.
neonofarm [45]

Answer:

1. CO₂ → C + O₂

2. Fe₂ + O₂ → 2FeO

3. 2Al + 3CuO→  Al₂O₃  +  3Cu

Explanation:

1. 1 mol of CO₂ decomposes to 1 mol of C and 1 mol of oxygem

2. 1 mol of Fe₂ reacts with 1 mol of oxygen to produce 2 moles of iron (II) oxide

3. 2 moles of Al, reacts with 3 moles of cupper(II) oxide to produce 1 mol of aluminum dioxide and 3 moles of cupper

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3 years ago
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What % of baking soda (NaHCO3) is hydrogen?
lorasvet [3.4K]

Answer:

Components present of sodium bicarbonate

Sodium bicarbonate is formed by mixing carbon, sodium, hydrogen and oxygen molecules. This mixture, also known as baking soda, is actually a type of salt.

Explanation:

6 0
2 years ago
Which of the following is an example of organic matter salt water or air​
bonufazy [111]

Answer:

I believe it is air.

Explanation:

7 0
2 years ago
Determine the number of significant figures in each of the following
Otrada [13]

Answer:

A. 3 Significant Figures

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D. 4 Significant Figures

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Explanation:

5 0
2 years ago
balance the following reaction. a coefficient of "1" is understood. choose option "blank" for the correct answer if the coeffici
suter [353]

Balanced chemical reaction: 2KCl + Pb(NO₃)₂ → PbCl₂ + 2KNO₃.

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KCl is potassium chloride.

Pb(NO₃)₂ is lead(II) nitrate.

KNO₃ is potassium nitrate.

PbCl₂ is lead(II) chloride.

3 0
2 years ago
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