Assuming nitrogen is an ideal gas, we use the relation PV=nRT tp predict what will happen to the system. From the equation, nR/P is constant. So, if the sample is cooled to 72K then volume would decrease. This decrease in volume would affect the density of the substance. It would increase its density. Therefore, the answer would be density.
Pretty boring nothing extreme I thought something dramatic will happen but nope
answer: We can't just write a whole essay i-
<span>The correct answer is B. Erin is giving a motivational speech so she will want her delivery to be strong and upbeat, but as she is giving the speech to a large crowd of high school students (who may not be interested) in the gymnasium, there will likely be a lot of noise from the students talking and the sound may not travel well in the hall.</span>
