Question

A balloon is filled with 2.3 cm3 helium gas at 112.1 atm pressure. What will be the new pressure (atm) if the volume is changed to 44.7 cm3?

P1V1=P2V2
(112.1)(.0023)=(P2)(.0447)

the answer i got was 54.85
so would the answer be 54.85 atm?

Answer 1

If your professor is strict about sig figs then the answer should be 55 atm.