## Physics: Principles with Applications (7th Edition)

Published by Pearson

# Chapter 13 - Temperature and Kinetic Theory - Misconceptual Questions: 12

Choice A.

#### Work Step by Step

To use the ideal gas law, we must measure the temperature, pressure, and volume relative to a true zero point. This is stated on page 370. Choice B is tempting, but keep in mind that changing the volume units only affects the value of the ideal gas constant. Using gauge pressure, or measuring the temperature in Celsius degrees, would be a big mistake, as these methods measure P and T relative to an arbitrary fixed point.

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