Answer: T = 319.5 K
Explanation: We will use the formula of Ideal Gas Law and derive for temperature. Ideal Gas Law is expressed in PV = nRT. The derived formula for T will be:
T = PV / nR
= 1.31 atm (2.00 L) / 0.100 mole ( 0.082 L.atm/ mole.K )
= 319.5 K
Cancel the units of atm, L and moles.
