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Which of the following changes would increase the pressure of a gas if moles are held constant?

A. Part of the gas is removed

B. The temperature is decreased

C. Nothing is changed

D. The container size is decreased

Respuesta :

Catya
D. volume is inversely related to pressure

Answer:

The correct answer is option D. The container size is decreased.

Explanation:

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Let's solve this!

The formula used in gases is PV = nRT

If we clear the pressure:

P = nRT / V

This indicates an inversely proportional relationship between volume and pressure. So if I need to increase the pressure, I need to decrease the volume or vice versa.

After analysis, the correct answer is option D. The container size is decreased, which indicates a decrease in volume.

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