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A sample of oxygen with a pressure of 400 mmHg contains 2.0 mol of gas and has a value of 4.0L. What will the new pressure be when the volume expands to 5.0L and 3.0 mol of helium gas is added while...

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A sample of oxygen with a pressure of 400 mmHg contains 2.0 mol of gas and has a value of 4.0L. What will the new pressure be when the volume expands to 5.0L and 3.0 mol of helium gas is added while the temperature is constant?
A. 160 mm HgB. 250 mm HgC. 800 mm HgD. 1000 mm HgE. 1560 mm Hg
Answered Same Day Dec 21, 2021

Solution

David answered on Dec 21 2021
122 Votes
A sample of oxygen with a pressure of 400 mm Hg contains 2.0 mol of gas and has a volume of
4.0 L. What will the new pressure be when the volume expands to 5.0 L and 3.0 mol of helium
gas is added while the temperature is constant?
We can solve this problem using the ideal gas law. We have
1...
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