What is the Relationship Between Temperature and Pressure?Figure (a) shows a man measuring the pressure of the air in his car tyre before starting on a long journey. After reaching his destination, he measured the pressure again and the pressure gauge showed that the pressure had increased, as shown in Figure (b). He touched the tyre and found that it was warm.The … [Read more...] about Gay-Lussac’s Law: Gas Pressure and Temperature Relationship