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Select all that are True. The measured pressure of a real gas is less than its c

ID: 505075 • Letter: S

Question

Select all that are True. The measured pressure of a real gas is less than its corresponding ideal gas pressure due to intermolecular attractions. At constant V and T, as gas molecules are added into a container, the number of collisions per unit area increases resulting in a higher pressure. A sample of an ideal gas at constant temperature has an initial pressure P and volume V. If the pressure is changed to P/2, the volume will change to V/2. At constant n and T, as the volume of an ideal gas increases, the pressure of the gas decreases.

Explanation / Answer

The answer is D.

According to Boyles law at constant T and n, the volume of a gas is inversely proportional to the its presseure.

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