PhysicsMedium251×since 2002Q7474Two moles of an ideal monatomic gas occupies a volume V at 27^oC. The gas expands adiabatically to a volume 2 V. Calculate (a) the final temperature of the gas and (b) change in its internal energy.A(a) 195 K (b) 2.7 kJB(a) 189 K (b) 2.7 kJC(a) 195 K (b) –2.7 kJD(a) 189 K (b) – 2.7 kJCheck answerSkip