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According to the ideal gas law PV = nRT. If temperature and number of molecules are held constant, when the volume increases you should expect the pressure to___________.

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From the ideal gas equation, PV = nRT, as volume increases, pressure decreases.

Given that number of moles and number of moles are held constant so;

PV = nRT

but;

[tex]PV = n^{0} R T^{0}[/tex]

The equation reduces to;

PV = R

This means that pressure and volume are inversely proportional. As volume increases, pressure decreases.

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Answer:

it increases

Explanation: