Question

using the gas laws, What is V in the table below?
initial: 1420 torr 75 mL 200 K
Final: 760 torr V 360 K

What is T using the gas laws?
Initial: 91.8 mL 365 K
Final: 45.8 mL T

Answer 1

For the first one,
(P1V1/T1) = (P2V2/T2)

For #2, (V1/T1) = (V2/T2)
Don't forget, in both, T is in Kelvin.