Jawabanmu

2014-06-18T15:13:34+07:00
PV=nRT
P= nrT/V


n1 R T1/V1 = n2 R T2/V2                  (karena n dan R nya sama bisa langsung dicoret)
T1/V1  = T2/ V2
300/1.5 =360/V2
V2 = 360 x 1.5 /300
V2 = 1.8 meter kubik


W = P delta V
   = 2 x 10^5 x (1.8-1.5)
   = 2 x 10^5 x 0.3
  = 6 x 10^4 joule