Question

A helium balloon has a pressure of 40 psi at 20°C. What will the pressure be at 40°C?

Answer 1

42,7 psi

Explanation:

Pressure is proportional with absolute temperature (273 +t) so you must calculate:
`P_2/P_1 = T_2/T_1`
`P_2 = (313K)/(293K) xx 40` psi =42,7 psi