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irakobra [83]
2 years ago
8

If I have one mole of gold atoms, how many gold atoms do I have?

Chemistry
2 answers:
Bad White [126]2 years ago
5 0

Answer:

I hope it's helpful for you....

Explanation:

There are 6.022 X 1023 atoms in one mole of gold.

yuradex [85]2 years ago
3 0

Answer:

6.022 X 10^23

Explanation:

avatars number states that for every mole of an element there are 6.p22 X 10^23 atoms of that element

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Which element has the greatest electronegativity?
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The residue of coal decomposition that is used in the manufacture of steel is called: 1. coal gas 2. coke 3. coal tar
bagirrra123 [75]
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The air bags in automobiles were once inflated by nitrogen gas generated by the rapid decomposition of
Basile [38]

Answer:

1.57 mol NaN₃

Explanation:

  • 2 NaN₃ (s) → 2 Na (s) + 3 N₂ (g)

First we <u>use PV=nRT to calculate the number of N₂ moles that need to be produced</u>:

  • P = 1.07 atm
  • V = 53.4 L
  • n = ?
  • R = 0.082 atm·L·mol⁻¹·K⁻¹
  • T = 23.7 °C ⇒ 23.7 + 273.16 = 296.86 K

<u>Inputing the data</u>:

  • 1.07 atm * 53.4 L = n * 0.082 atm·L·mol⁻¹·K⁻¹ * 296.86

And <u>solving for n</u>:

  • n = 2.35 mol N₂

Finally we <u>convert N₂ moles into NaN₃ moles</u>, using <em>the stoichiometric coefficients of the balanced reaction</em>:

  • 2.35 mol N₂ * \frac{2molNaN_3}{3molN_2} = 1.57 mol NaN₃
4 0
3 years ago
How are natural polymers and synthetic polymers similar?
Reptile [31]

Answer:

The correct answer is B) both are made up of monomers that are linked by covalent bonds

Explanation:

The polymers consist of a set of monomers by covalent bonds. There are those that are natural (DNA formed by nucleotide units, proteins by amino acids, starch by glucose) and synthetics made by human hands (polyethylene formed by ethylene monomers).

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