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storchak [24]
2 years ago
10

How many atoms are in 6.9 mol Zn?

Chemistry
1 answer:
SSSSS [86.1K]2 years ago
5 0

Answer:

              4.155 × 10²⁴ Atoms

Explanation:

Formula used,

Number of Atoms = Moles × 6.022 × 10²³ Atoms.mole⁻¹

Putting value of moles,

Number of Atoms = 6.90 mole × 6.022 × 10²³ Atoms.mole⁻¹

Number of Atoms = 4.155 × 10²⁴ Atoms

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A 32.4 L gas sample at STP is compressed to a volume of 28.4 L, and the temperature is increased to 352 K. What is the new press
Sindrei [870]

Answer:

1.47 atm

Explanation:

Step 1: Given data

  • Initial volume (V₁): 32.4 L
  • Initial pressure (P₁): 1 atm (standard pressure)
  • Initial temperature (T₁): 273 K (standard temperature)
  • Final volume (V₂): 28.4 L
  • Final pressure (P₂): ?
  • Final temperature (T₂): 352 K

Step 2: Calculate the final pressure of the gas

We can calculate the final pressure of the gas using the combined gas law.

P₁ × V₁ / T₁ = P₂ × V₂ / T₂

P₂ = P₁ × V₁ × T₂ / T₁ × V₂

P₂ = 1 atm × 32.4 L × 352 K / 273 K × 28.4 L = 1.47 atm

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3 years ago
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Answer:

carbon dioxide and oxygen

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labwork [276]
The answer to the question stated above is:
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3 years ago
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Answer:

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Explanation:

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