Question 1182959
P1V1/T1=P2V2/T2
25V1/290=P2*2.5V1/720

V1 cancel
25/290+2.5P2/720
720*25/290*2.5=P2
=24.83 psi
This makes intuitive sense since the temp has increased about 2.5 times and so has the volume, and they work against each other regarding volume,'