At 7.0 degrees C, the volume of a gas is 49ml. At the same pressure, its volume is 74 mL at what temperature?

Answer 1

Use the ideal gas law,
PV=nRT
or in this case, use the form
P1V1/T1 = P2V2/T2
where P1=P2,
Solve for T2.

Answer 2

422.85