1.) FFTFTF
2.) (a) 24693J (b) (i) 41.3C (ii)
68.8C (c) 3604J,6000J (d) system does work in case (i)
3.) (a) 1.35*10^6J (b) del(S_cold)=6338J/K,
del(S_hot)=-4688J/K,
del(S_tot)=1651J/K (c) W=2.08*10^4J,
Q_c=5.92*10^4J
4.) (a) 2.23mol (b) 4.72*10^5Pa (c) 550m/s
(d) T=336K, W=1.7*10^3J
5.) (a) 244.3K (b) 7.6mol
6.) (a) 364K (b) 5.014cm