Yet Another Mystery Theme VI: The Undiscovered Theme by VaccaD

Question 2

Also known as the Law of Volumes, WHAT SCIENTIFIC LAW states that when the pressure on a sample of a gas is held constant, the temperature and the volume will be directly related?

CHARLES'S LAW (Ideal Gas Law is acceptable) (edited at 11:11 am, May 10, 2016 (PDT))

Original Answer: CHARLES'S LAW