Which temperature change would cause a sample of an ideal gas to double in volume while pressure is held constant? a. from 400k to 200k b. from 200k to 400k c. from 400 c to 200c d. from 200c to 400c

The correct answer is option B. From 200K to 400K

Explanation:

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The ideal gas equation is the following PV = nRT

Where the variables are:

P: pressure

T: temperature

V: volume

R: universal constant of ideal gases

n: number of moles

We see in the equation the proportional relationship of volume with temperature.

We deduce that if the volume increases twice, then the temperature increases twice.

The temperature has to be in Kelvin, that's why we chose that answer.

Of the options, the correct answer is option B. From 200K to 400K

it is the most commonly accepted one