theprincessshoww
theprincessshoww theprincessshoww
  • 21-11-2020
  • Chemistry
contestada

A laboratory bottle of helium gas occupies a volume of 2.0 L at 760 mm Hg. Calculate the new pressure if the
volume falls to 1.8 L.

Respuesta :

Stephen46
Stephen46 Stephen46
  • 21-11-2020

Answer:

844.4 mmHg

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

[tex]P_1V_1 = P_2V_2[/tex]

Since we are finding the new pressure

[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]

From the question we have

[tex]P_2 = \frac{2 \times 760}{1.8} = \frac{1520}{1.8} \\ = 844.4444...[/tex]

We have the final answer as

844.4 mmHg

Hope this helps you

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