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

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

Explanation:

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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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the ideal gas law equation is as follows

pv = nrt

where p - pressure

v - volume

n - number of moles

r - universal gas constant

t - temperature

so if the pressure, volume and temperature are already known

we are left with n and r

since r is the universal gas constant that has a known fixed value then r too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

this is not my own answer, this is an answer for the same question by the user blahblahmali. i do not claim ownership of this account.