ACTIVITY 1 - Ideal Gas Law

What is the tire pressure at -20°F compared to 90°F, assuming the starting pressure was 32 psi?

32 psi                                                ?
____________         =           _____________
305.2 K (90 F)                      244.3 K (-20 F)


32 psi (244.3 K)                    X psi (305.2 K )
____________          =         _____________             X = 25.6 psi
305.2 K                                  305.2 K