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Sedaia [141]
2 years ago
13

A discarded spray paint can contains only a small volume of the propellant gas at a

Chemistry
1 answer:
Katena32 [7]2 years ago
5 0

Answer:

1.24 × 10³ kPa

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 34.5 kPa
  • Initial volume of the can (V₁): 473 mL
  • Final pressure of the gas (P₂): ?
  • Final volume of the can (V₂): 13.16 mL

Step 2: Calculate the final pressure of the gas in the can

If we assume that the gas in the can behaves as an ideal gas and that the temperature remains constant, we can calculate the final pressure of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

P₂ = P₁ × V₁ / V₂

P₂ = 34.5 kPa × 473 mL / 13.16 mL = 1.24 × 10³ kPa

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3 0
3 years ago
How many moles of dinitrogen monoxide are present in 9.3 x 10^22 molecules of this compound?
Step2247 [10]

Answer:

<h2>0.15 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

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From the question we have

n =  \frac{9.3 \times  {10}^{22} }{6.02 \times  {10}^{23} }  \\  = 0.154485...

We have the final answer as

<h3>0.15 moles</h3>

Hope this helps you

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