chemistry284 chemistry284

08-11-2018
Chemistry

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A flexible container holds 100.0 miles of a gas. And additional 100.0 moles of gas particles are pumped into the container. The pressure and temperature remain constant. Which of the following stamens is true. A. Volume will double b. Volume will half c. Volume will remain constant d. The change of the volume depends on the identity of the gas

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09-11-2018

Answer:

A. The volume will double.

Explanation:

The pressure and temperature are constant.

The only variables are volume and number of moles, so we can use Avogadro’s Law: The volume of a gas is directly proportional to the number of moles.

V = kn

Direct proportionality means that if you do something to one variable, the same thing happens to the other variable.

For example, if you double the number of moles, the volume doubles.

In this example, you added 100.0 mol to 100.0 mol.

That made a total of 200.0 mol.

You doubled the number of moles, so you doubled the volume.

The volume did not halve, it did not stay constant, and it did not depend on the identity of the gas.

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