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kondor19780726 [428]
3 years ago
7

Changing atmospheric conditions, like increasing carbon dioxide content, might possibly _____.

Chemistry
1 answer:
kobusy [5.1K]3 years ago
5 0
<span>Changing atmospheric conditions, like increasing carbon dioxide content, might possibly increase the risk of global warming. Carbon dioxide, along with other greenhouse gases, is one of the leading causes of our Earth's rise in temperature. This is because greenhouse gases trap the planet's heat inside its atmosphere, preventing it from leaving the Earth's surface. </span>
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During a chemical reacion, an iron atom beacme the ion Fe+2. what happened to the iron atom?
galben [10]

Answer:

That iron atom is oxidized. It loses two electrons.

Explanation:

Compare the formula of an iron atom and an iron(II) ion:

  • Iron atom: \mathrm{Fe};
  • Iron(II) ion: \mathrm{Fe^{2+}}.

The superscript +2 in the iron(II) ion is the only difference between the two formulas. This superscript indicates a charge of +2 on each ion. Atoms and ions contain protons. In many cases, they also contain electrons. Each proton carries a positive charge of +1 and each electron carries a charge of -1. Atoms are neutral for they contain an equal number of protons and electrons.

Protons are located at the center of atoms inside the nuclei. They cannot be gained or lost in chemical reactions. However, electrons are outside the nuclei and can be gained or lost. When an atom loses one or more electrons, it will carry more positive charge than negative charge. It will becomes a positive ion. Conversely, when an atom gains one or more electrons, it becomes a negative ion.

An iron atom \mathrm{Fe} will need to lose two electrons to become a positive iron(II) ion \mathrm{Fe^{2+}} with a charge of +2 on each ion. That is:

\rm Fe \to Fe^{2+} + 2\;e^{-}.

  • Oxidation is Losing one or more electrons;
  • Reduction is Gaining one or more electrons.

This definition can be written as the acronym OILRIG. (Khan Academy.)

In this case, each iron atom loses two electrons. Therefore the iron atoms here are oxidized.

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3 years ago
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Answer:

1) Length - Meter

2) Mass - Pound

3) Time - Minute

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3 years ago
DOES ANYONE TAKE ANATOMY AND PHYSIOLOGY I WILL PAY FOR HELPPP!!!!!
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Answer:

I take Anatomy and Physiology. Tell me if I can help.

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3 years ago
Is many sig figs are in 0.092
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There are 2 sig figs in 0.092
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3 years ago
Consider three gases: Ar, SF6, and Cl2. If 50.0 grams of these gases are placed in each of three identical containers, which con
adoni [48]
The ideal gas law:
pV=nRT \Rightarrow p=\frac{nRT}{V}
p - pressure, n - number of moles, R - the gas constant, T - temperature, V - volume

The volume and temperature of all three containers are the same, so the pressure depends on the number of moles. The greater the number of moles, the higher the pressure.
The mass of gases is 50 g.

Ar \\&#10;M \approx 39.948 \ \frac{g}{mol} \\&#10;n=\frac{50 \ g}{39.948 \ \frac{g}{mol}} \approx  1.25 \ mol \\ \\&#10;SF_6 \\&#10;M \approx 146.06 \ \frac{g}{mol} \\&#10;n=\frac{50 \ g}{146.06 \ \frac{g}{mol}} \approx 0.34 \ mol \\ \\&#10;Cl_2 \\&#10;M=70.9 \ \frac{g}{mol} \\&#10;n=\frac{50 \ g}{70.9 \ \frac{g}{mol}} \approx 0.71 \ mol

The greatest number of moles is in the container with Ar, so there is the highest pressure.
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3 years ago
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